text to speech popular voices

Free Text to Speech (TTS) Online

Try text to speech online and enjoy the best AI voices that sound human. TTS is great for Google Docs, emails, PDFs, any website, and more.

Mr. President

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⚡️ 110 % productivity boost.

• Speed Reader
• 4.5x (900 WPM)
• 3.0x (600 WPM)
• 1.5x (300 WPM)
• 1.0x (200 WPM)

Type or paste anything and press play to convert text to speech. Unlock your reading super powers. Speechify can cut your reading time in half!

Choose from 40+ languages

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• Convert any text into audio
• 50+ premium voices
• Create your own custom voices
• Added layer of security for your documents
• Save your files
• Faster listening speeds (1.1x & above)
• Automatically skip content (headers, footers, citations etc)
• No limits or ads

Paste Web Link

Paste a web address link to get the contents of a webpage

• Text to Speech

Text to Speech Features

Ditch robotic voices for Speechify’s text to speech that sound very real.

The Best Text to Speech Converter

Listen up to 9x faster with Speechify’s ultra realistic text to speech software that lets you read faster than the average reading speed, without skipping out on the best AI voices.

Listen & Read at the Same Time

With Speechify text highlighting you can choose to just listen, or listen and read at the same time. Easily follow along as words are highlighted – like Karaoke. Listening and reading at the same time increases comprehension.

Convert Text to Studio-Quality Voices

With Speechify’s easy-to-use AI text to speech voices, you can forget about warbly robotic text to speech AI voices. Our accurate human-like AI voices are HD quality and available in 30+ languages and 100+ accents.

Image to Speech

Scan or take a picture of any image and Speechify will read it aloud to you with its cutting-edge OCR technology. Save your images to your library in the cloud and access it anywhere. You can now listen to that note you got from a friend, relative, or other loved one.

Try Text to Speech in these Popular Voices

The most realistic TTS voices only on the best text to speech app.

Gwyneth Paltrow

What is text to speech

Text to speech, also known as TTS, read aloud, or even speech synthesis . It simply means using artificial intelligence to read words aloud be; it from a PDF , email, docs, or any website. There isn’t a voice artist recording phrases or words, or even the entire article. Speech generation is done on-the-fly, in real time, with natural sounding AI voices.

And that’s the beauty of it all. You don’t have to wait. You simply press play and artificial intelligence makes the words come alive instantly, in a very natural sounding voice. You can change voices and accents across multiple languages.

Listen to any article. Easily scan any printed material and convert the image to audio.

Get Text to Speech Today

And begin removing barriers to reading online

I used to hate school because I’d spend hours just trying to read the assignments. Listening has been totally life changing. This app saved my education.

Ana Student with Dyslexia

Speechify has made my editing so much faster and easier when I’m writing. I can hear an error and fix it right away. Now I can’t write without it.

Daniel Writer

Speechify makes reading so much easier. English is my second language and listening while I follow along in a book has seriously improved my skills.

Lou Avid Reader

More text to speech features you’ll love, speechify text to speech online reviews, kate marfori.

Product Manager at The Star Tribune

With Speechify’s API, we can offer our users a new and accessible way to consume our content. We’ve seen that readers who choose to listen to articles with Speechify are on average 20% more engaged than users who choose not to listen.

Susy Botello

Thanks for sharing this.I love this feature. I just tweeted at you on how much I like it. The voice is great and not at all like the text-to-speech I am used to listening to. I am a podcaster and I think this will help a lot of people multitask a bit, especially if they are interrupted with incoming emails or whatever. You can read-along but continue reading if your eyes need to go elsewhere. Hope you keep this. It’s already in other web publications. I also see it in some news sites. So I think it could become a standard that readers expect when they read online. Can I vote twice?

Renato Vargas

I just started using Medium more and I absolutely love this feature. I’ve listened to my own stories and the Al does the inflections just as I would. Many complain that they can’t read their own stories, but let’s be honest. How many stories would go without an audio version if you had to do all of them yourself? I certainly appreciate it. Thanks for this!!

Oh! How cool – I love it 🙂 The voice is surprisingly natural sounding! My eyes took a much appreciated rest for a bit. I’ve been a long time subscriber to Audible on Amazon. I think this is Great 🙂 Thank you!

Paola Rios Schaaf

Super excited about this! We are all spending too much time staring at our screens. Using another sense to take in the great content at Medium is awesome.

Hi Warren, I am one of those small, randomly selected people, and I ABSOLUTELY love this feature. I have consumed more ideas than I ever have on Medium. And also as a non-native English speaker, this is really helping me to improve my pronunciation. Keep this forevermore! Love, Ananya:)

This is the single most important feature you can role out for me. I simply don’t have the time to read all the articles I would like to on Medium. If I could listen to the articles I could consume at least 3X the amount of Medium content I do now.

Andrew Picken

Love this feature Warren. I use it when I’m reading, helps me churn through reading and also stay focused on the article (at a good speed) when my willpower is low! Keeping me more engaged..

I was THRILLED the other day when I saw the audio option. I didn’t know how it got there, but I pressed play, and then I was blown away hearing the words that I wrote being narrated

Neeramitra Reddy

LOVE THISSS. As someone who loves audio almost as much as reading, this is absolute gold

What is text to speech (TTS)?

Text-to-speech goes by a few names. Some refer to it as TTS,  read aloud , or even speech synthesis ; for the more engineered name. Today, it simply means using  artificial intelligence  to read words aloud be; it from a PDF, email, docs, or any website. Instantly turn text into audio. Listen in English, Italian, Portuguese,  Spanish , or more and choose your accent and character to personalize your experience.

How does AI text to speech work?

Beautifully. Speech synthesis works by installing an app like Speechify either on your device or as a browser extension. AI scans the words on the page and  reads it out loud , without any lag. You can change the default voice to a custom voice, change accents, languages, and even increase or decrease the speaking rate.

AI has made significant progress in synthesizing voices. It can pick up on formatted text and change tone accordingly. Gone are the days where the voices sounded  robotic . Speechify is revolutionizing that.

Once you install the TTS mobile app, you can easily convert text to speech from any website within your browser, read aloud your email, and more. If you install it as a  browser extension , you can do just the same on your laptop. The web version is OS agnostic. Mac or Windows, no problem.

What is the text-to-speech service?

A text-to-speech service is a tool, like Speechify text to speech, that transforms your written words into spoken words. Imagine typing out a message and having it read out loud by a digital voice – that’s what TTS services, like Speechify TTS do.

What are the benefits of text to speech?

TTS technology offers many benefits, like helping those with reading difficulties, providing rest for your eyes, multitasking by listening to content, improving pronunciation and language learning, and making content accessible to a wider audience.

How is Speechify TTS better than Murf AI text to speech, Google Voice, or TTSReader?

Speechify TTS stands out by offering a more natural and human-like voice quality, a wider range of customization options, and user-friendly integration across devices. Plus, our dedication to accessibility means that we ensure a seamless and inclusive experience for all users.

Only available on iPhone and iPad

To access our catalog of 100,000+ audiobooks, you need to use an iOS device.

Coming to Android soon...

Join the waitlist

Enter your email and we will notify you as soon as Speechify Audiobooks is available for you.

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Free AI Text to Speech Online

Click to generate speech in:

Intelligent ai speech synthesis, diverse and dynamic voices, emotional range..

Diverse emotional inflections tailored for every narrative need.

Multilingual Capability.

All our voices fluently span 29 languages, retaining unique characteristics across each.

Voice Variety.

Design with Voice Design, explore with Voice Library, or select top-tier voice actors for unmatched natural voice quality.

Text to Speech in 29 Languages

Precision voice tuning.

Choose between expressive variability or consistent stability to fit your content's tone.

Clarity + Similarity Enhancement

Optimize for clear, artifact-free voices or enhance for speaker resemblance.

Style Exaggeration

Accentuate voice styles or prioritize speed and stability.

Text to speech for teams of all sizes

The voices are really amazing and very natural sounding. Even the voices for other languages are impressive. This allows us to do things with our educational content that would not have been possible in the past.

It's amazing to see that text to speech became that good. Write your text, select a voice and receive stunning and near-perfect results! Regenerating results will also give you different results (depending on the settings). The service supports 30+ languages, including Dutch (which is very rare). ElevenLabs has proved that it isn't impossible to have near-perfect text-to-speech 'Dutch'...

We use the tool daily for our content creation. Cloning our voices was incredibly simple. It's an easy-to-navigate platform that delivers exceptionally high quality. Voice cloning is just a matter of uploading an audio file, and you're ready to use the voice. We also build apps where we utilize the API from ElevenLabs; the API is very simple for developers to use. So, if you need a...

As an author I have written numerous books but have been limited by my inability to write them in other languages period now that I have found 11 labs, it has allowed me to create my own voice so that when writing them in different languages it's not someone else's voice but my own. That's certainly lends a level of authenticity that no other narrator can provide me.

ElevenLabs came to my notice from some Youtube videos that complained how this app was used to clone the US presidents voice. Apparently the app did its job very well. And that is the best thing about ElevenLabs. It does its job well. Converting text to speech is done very accurately. If you choose one of the 100s of voices available in the app, the quality of the output is superior to all...

Absolutely loving ElevenLabs for their spot-on voice generations! 🎉 Their pronunciation of Bahasa Indonesia is just fantastic - so natural and precise. It's been a game-changer for making tech and communication feel more authentic and easy. Big thumbs up! 👍

I have found ElevenLabs extremely useful in helping me create an audio book utilizing a clone of my own voice. The clone was super easy to create using audio clips from a previous audio book I recorded. And, I feel as though my cloned voice is pretty similar to my own. Using ElevenLabs has been a lot easier than sitting in front of a boom mic for hours on end. Bravo for a great AI product!

The variety of voices and the realness that expresses everything that is asked of it

I like that ElevenLabs uses cutting-edge AI and deep learning to create incredibly natural-sounding speech synthesis and text-to-speech. The voices generated are lifelike and emotive.

A fast and easy-to-use text to speech API

We obsess over building the fastest and simplest text to speech API so you can focus on building incredible applications.

Ultra-low latency.

We deliver streamed audio in under a second.

Ease of use.

ElevenLabs brings the most compelling, rich and lifelike voices to developers in just a few lines of code.

Developer Community.

Get all the help you need through our expert community.

Global AI Speech Generator

Language selection

Accent selection, audio generation, wall of text to speech voices, how to use text to speech, choose your preferred voice, settings, and model..

For a pre-made voice, you can use our extensive library of voices. Or, you can clone, customize and fine-tune voices.

Enter the text you want to convert to speech.

Write naturally in any of our supported languages. Our AI will understand the language and context.

Generate spoken audio and instantly listen to the results.

Convert written text to high-quality files that can be downloaded in a variety of audio formats.

Perfect Your Sound

Punctuation.

The placement of commas, periods, and other punctuation significantly influences the delivery and pauses in the output.

Longer text provides added context, ensuring a smoother and more natural audio flow.

Speaker Profile

Match your content to the ideal speaker. Different profiles have distinct delivery styles, catering to various tones and emotions.

Voice Settings

Refine your output by adjusting voice settings. Find the perfect balance to enhance clarity and authenticity.

Text to Speech Use Cases

Our AI text to speech software is designed to be flexible and easy to use, with a variety of voice options to suit your needs.

Take content creation to the next level

Create immersive gaming experiences, publish your written works, build engaging ai chatbots.

Why ElevenLabs Text to Speech?

Efficient content production..

Transform long written content to audio, fast. Maximize reach without traditional recording constraints.

Advanced API.

Seamlessly integrate and experience dynamic TTS capabilities.

Contextual TTS.

Our AI reads between the lines, capturing the heart of the content.

Language Authenticity.

Experience genuine speech in 29 languages, from nuances to native idioms.

Comprehensive Support.

Never feel lost. Our dedicated support and rich resource library mean you're always equipped to make the most of our cutting-edge technology.

Ethical AI Principles.

We prioritize user privacy, data protection, and uphold the highest ethical standards in AI development and deployment.

Frequently asked questions

How does the elevenlabs ai text to speech differ from other tts technologies.

ElevenLabs TTS leverages advanced deep learning models which are regularly updated and refined, ensuring high-quality audio output, emotion mapping, and a vast range of vocal choices for your ideal custom voice.

Can I customize the voice settings to match specific content needs?

Absolutely. Users can adjust Stability, Clarity, and Enhancement settings, allowing for voice outputs that range from entertainingly expressive to professionally sincere. Our platform provides the flexibility to match your content's unique requirements.

What is AI text to speech used for?

Text to speech has a vast array of applications, some are well established but more are emerging all the time. TTS is ideal for creating explainer videos, converting books into audio and producing creative video content without hiring voice actors. Our speech technology is ideal for any situation where accessibility and engagement can be improved through communicated written content in a high-quality voice.

What does "text to speech with emotion" mean?

It means our artificial intelligence model understands the context and can deliver the natural sounding speech with appropriate emotional intonations – be it excitement, sorrow, or neutrality. It adds a layer of realism, making the speech output more relatable and engaging.

How many languages does ElevenLabs support?

ElevenLabs proudly supports text to speech synthesis in 29 languages, ensuring that your content can resonate with a global audience.

How varied are the voice options available on ElevenLabs?

We offer a diverse range of voice profiles, catering to different tones, accents, and emotions. Whether you're seeking a particular regional accent or a specific emotional delivery, ElevenLabs ensures you find the perfect match for your content.

How secure is my data with ElevenLabs?

User data privacy and security are our top priorities. All user data and text inputs are handled with the utmost care, ensuring they are not used beyond the specified service purpose.

Does ElevenLabs offer an API for developers?

Yes, we provide a robust API that allows developers to integrate our advanced text-to-speech capabilities into their own applications, platforms, or tools.

How can I turn text into mp3 speech?

ElevenLabs makes it easy to turn text into mp3. Simply enter your text, choose a voice, generate the audio, and download.

Realistic Text-to-Speech AI converter

Create realistic Voiceovers online! Insert any text to generate speech and download audio mp3 or wav for any purpose. Speak a text with AI-powered voices.You can convert text to voice for free for reference only. For all features, purchase the paid plans

How to convert text into speech?

• Just type some text or import your written content
• Press "generate" button
• Download MP3 / WAV

Full list of benefits of neural voices

Downloadable tts.

You can download converted audio files in MP3, WAV, OGG for free.

If your Limit balance is sufficient, you can use a single query to convert a text of up to 2,000,000 characters into speech.

Commercial Use

You can use the generated audio for commercial purposes. Examples: YouTube, Tik Tok, Instagram, Facebook, Twitch, Twitter, Podcasts, Video Ads, Advertising, E-book, Presentation and other.

Multi-voice editor

Dialogue with AI Voices. You can use several voices at once in one text.

Custom voice settings

Change Speed, Pitch, Stress, Pronunciation, Intonation , Emphasis , Pauses and more. SSML support .

You spend little on re-dubbing the text. Limits are spent only for changed sentences in the text.

Over 1000 Natural Sounding Voices

Crystal-clear voice over like a Human. Males, females, children's, elderly voices.

Powerful support

We will help you with any questions about text-to-speech. Ask any questions, even the simplest ones. We are happy to help.

Compatible with editing programs

Works with any video creation software: Adobe Premier, After effects, Audition, DaVinci Resolve, Apple Motion, Camtasia, iMovie, Audacity, etc.

You can share the link to the audio. Send audio links to your friends and colleagues.

Cloud save your history

All your files and texts are automatically saved in your profile on our cloud server. Add tracks to your favorites in one click.

Use our text to voice converter to make videos with natural sounding speech!

Say goodbye to expensive traditional audio creation

Cheap price. Create a professional voiceover in real time for pennies. it is 100 times cheaper than a live speaker.

Traditional audio creation

• Expensive live speakers, high prices
• A long search for freelancers and studios
• Editing requires complex tools and knowledge
• The announcer in the studio voices a long time. It takes time to give him a task and accept it..

• Affordable tts generation starting at $0.08 per 1000 characters
• Website accessible in your browser right now
• Intuitive interface, suitable for beginners
• SpeechGen generates text from speech very quickly. A few clicks and the audio is ready.

Create AI-generated realistic voice-overs.

Ways to use. Cases.

See how other people are already using our realistic speech synthesis. There are hundreds of variations in applications. Here are some of them.

• Voice over for videos. Commercial, YouTube, Tik Tok, Instagram, Facebook, and other social media. Add voice to any videos!
• E-learning material. Ex: learning foreign languages, listening to lectures, instructional videos.
• Advertising. Increase installations and sales! Create AI-generated realistic voice-overs for video ads, promo, and creatives.
• Public places. Synthesizing speech from text is needed for airports, bus stations, parks, supermarkets, stadiums, and other public areas.
• Podcasts. Turn text into podcasts to increase content reach. Publish your audio files on iTunes, Spotify, and other podcast services.
• Mobile apps and desktop software. The synthesized ai voices make the app friendly.
• Essay reader. Read your essay out loud to write a better paper.
• Presentations. Use text-to-speech for impressive PowerPoint presentations and slideshow.
• Reading documents. Save your time reading documents aloud with a speech synthesizer.
• Book reader. Use our text-to-speech web app for ebook reading aloud with natural voices.
• Welcome audio messages for websites. It is a perfect way to re-engage with your audience. 
• Online article reader. Internet users translate texts of interesting articles into audio and listen to them to save time.
• Voicemail greeting generator. Record voice-over for telephone systems phone greetings.
• Online narrator to read fairy tales aloud to children.
• For fun. Use the robot voiceover to create memes, creativity, and gags.

Maximize your content’s potential with an audio-version. Increase audience engagement and drive business growth.

Who uses Text to Speech?

SpeechGen.io is a service with artificial intelligence used by about 1,000 people daily for different purposes. Here are examples.

Video makers create voiceovers for videos. They generate audio content without expensive studio production.

Newsmakers convert text to speech with computerized voices for news reporting and sports announcing.

Students and busy professionals to quickly explore content

Foreigners. Second-language students who want to improve their pronunciation or listen to the text comprehension

Software developers add synthesized speech to programs to improve the user experience.

Marketers. Easy-to-produce audio content for any startups

IVR voice recordings. Generate prompts for interactive voice response systems.

Educators. Foreign language teachers generate voice from the text for audio examples.

Booklovers use Speechgen as an out loud book reader. The TTS voiceover is downloadable. Listen on any device.

HR departments and e-learning professionals can make learning modules and employee training with ai text to speech online software.

Webmasters convert articles to audio with lifelike robotic voices. TTS audio increases the time on the webpage and the depth of views.

Animators use ai voices for dialogue and character speech.

Text to Speech enables brands, companies, and organizations to deliver enhanced end-user experience, while minimizing costs.

Frequently Asked Questions

Convert any text to super realistic human voices. See all tariff plans .

Enhance Your Content Accessibility

Boost your experience with our additional features. Easily convert PDFs, DOCx files, and video subtitles into natural-sounding audio.

📄🔊 PDF to Audio

Transform your PDF documents into audible content for easier consumption and enhanced accessibility.

📝🎧 DOCx to mp3

Easily convert Word documents into speech for listening on the go or for those who prefer audio format

📺💬 Subtitles to Speech

Make your video content more accessible by converting subtitles into natural-sounding audio.

Supported languages

• Amharic (Ethiopia)
• Arabic (Algeria)
• Arabic (Egypt)
• Arabic (Saudi Arabia)
• Bengali (India)
• Catalan (Spain)
• English (Australia)
• English (Canada)
• English (GB)
• English (Hong Kong)
• English (India)
• English (Philippines)
• German (Austria)
• Hindi India
• Spanish (Argentina)
• Spanish (Mexico)
• Spanish (United States)
• Tamil (India)
• All languages: +76

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Free Text to Speech Online: #1 TTS With 600+ Realistic Voices

Turn your text into voice within minutes.

Create ultra realistic Text to Speech (TTS) using PlayHT’s AI Voice Generator. Our Voice AI instantly converts text in to natural sounding humanlike voice performances across any language and accent.

Trusted by individuals and teams of all sizes

Choose from 142 Languages & Accents

Create natural-sounding speech in 142 languages and accents.

What is Text-to-Speech?

Text-to-Speech, or TTS, is a digital tool that converts written text into spoken words. It uses smart algorithms to predict word pronunciations and a vocoder to generate human-like voices.

TTS is incredibly useful, especially for those who struggle with reading, like children. It assists in various tasks, from learning and writing to maintaining focus by turning text into spoken content, making it easier to understand and engage with. Whether you need help with reading, writing, or staying concentrated, TTS is a versatile and valuable tool.

How to Use Our Text-to-Speech (TTS) Tool?

• Sign Up or Log In: Begin by creating an account or logging into your existing PlayHT dashboard.
• Enter Your Text: Type, paste, or upload your desired text into our intuitive multimedia TTS studio.
• Choose a Voice: Browse through our extensive library of over 800 AI voices across 142 languages and select the one that fits your needs.
• Customize: Adjust the tone, speed, and style to make the voice sound just right.
• Generate & Download: Click 'Generate,' and within moments, the platform transforms your text into lifelike speech. Download in MP3 or WAV format and integrate into your project.

Benefits of Using Text-to-Speech

Playht ai voice capabilities for enterprises, ai voice cloning.

PlayHT's advanced AI Voice Cloning allows businesses to replicate any voice, ensuring brand consistency and personalization in voice interactions.

Listen to AI Voice performances created using PlayHT

Ultra Realistic AI Voices

PlayHT’s state-of-the-art technology captures the nuances of human speech, delivering voices that are indistinguishable from real human narrators, enhancing user engagement and trust.

PlayHT's AI Text-to-Speech technology is all about making your projects come alive! We've got a bunch of cool ways you can use our AI-driven voices to create amazing content:

• Conversational AI
• E-Learning and Training
• IVR Systems
• Audio Articles and Accessibility
• Character Voice Overs
• YouTube and TikTok Videos
• Celebrity Voice Overs

Chatbots and virtual assistants sound more friendly and human, making your customers feel right at home.

Give your online courses and training materials a boost with voices that keep learners engaged and excited.

Make customer interactions smoother and more informative with AI voices in your phone systems.

Transform articles and documents into audio for everyone to enjoy – inclusivity made easy.

Get creative with unique character voices for games, animations, and all things imaginative.

Level up your content on these popular platforms with voice overs that connect with your audience.

Let your audience get starstruck by interacting with or listening to the voices of their favorite celebrities in various content.

With PlayHT, your ideas get a voice of their own. We're all about versatility and authenticity, making it fun and easy to captivate your audience with AI-driven voices. So, let's make your projects sound awesome!

Who else can benefit from text to speech?

Elevate your content with playht's text-to-speech, customer reviews.

Top-rated on Trustpilot, G2, and AppSumo

The service team was exceptional and was very helpful in supporting my business needs. Would definitely use it again if needed!

The interface is clean, uncluttered, and super easy and intuitive to use. Having tried many others, PlayHT is my #1 favorite. Many natural sounding high quality voices to choose from...

I tried the bigger companies first and noting compare to this awesome website. The voices are so real that is amazing how AI is now. Don't waste your time in Polly, Azure, or Cloud; this is your text-to-voice software.

PlayHT was easy for me to use and add to my website. I am NOT computer savvy, so I appreciate the ease of this product. I believe this is going to help me stand out a bit from my peers.

Frequently Asked Questions

How can i convert text to audio, what software creates the most realistic text-to-speech (tts) voice, who voices our text-to-speech, how do i get different voices for text-to-speech, is there a text-to-voice software that will read a book for me, is there free text-to-speech software for dyslexia, you'll probably also like.

Text to Speech Voice Over with Realistic AI Voices

Murf offers a selection of 100% natural sounding AI voices in 20 languages to make professional voice over for your videos and presentations. Start your free trial.

Quality Guaranteed, No Robotic Voices

Our voices are all human sounding and quality checked across dozens of parameters. Gone are the days of robotic text to speech, most people can’t even tell between our advanced AI voices and recorded human voices.

Text to Speech Voices in 20+ Languages

Murf offers a selection of voices across 20+ languages. Most languages have voices available for testing quality in the free plan. Some languages also support multiple accents like English, Spanish and Portuguese.

A Simple Text to Voice Converter

High-Quality Voices for Every Use Case

Not Just a Text to Speech Tool

Emphasize specific words

Want to make your voiceover sound interesting? Use Murf’s ‘Emphasis’ feature to put that extra force on syllables, words, or phrases that add life to your voiceover.

Take control of your narration with pitch

Use Murf’s ‘Pitch’ functionality to draw the listeners' attention to words or phrases expressing emotions. Customize the voice as you like to make it work for yourself.

Elevate your story with pauses

Add pauses of varying lengths to your narration using Murf’s ‘Pause’ feature to give the listener's attention powers a rest and prepare them to receive your message.

Perfect Word Pronunciation

Articulate words accurately and enhance clarity in speech by customizing pronunciation. Use alternative spellings or IPAs to achieve the right pronunciation.

Fine Tune Narration Speed

Effortlessly increase or decrease the pace of the voiceover to ensure it aligns with the rhythm and flow of the message.

Expressive Voice Style Palette

Infuse your narration with the exact emotion your content needs using Murf’s dynamic voice styles. Choose from versatile options like excited, sad, angry, calm, terrified, friendly, and more.

Text to Voice Made Easy

Reliable and secure. your data, our promise..

Why Use Murf Text to Speech?

Murf's text to audio software changes the way you create and edit voiceovers with lifelike, flawless AI voices. What used to take hours, weeks, or even months now only takes minutes. You can also include images, videos, and presentations to your voiceover and sync them together without the need for a third-party tool. Here are a few reasons why you should use Murf's text to speech.

Save time and hundreds of dollars in recording expensive voice overs.

Editing voice over is as simple as editing text. Just cut, copy paste and render.

Create a consistent brand voice across all your customer touchpoints.

Connect with global customers effectively with our multiple language AI voices.

Build scalable voice applications with Murf’s API.

Voice over in 20+ languages.

@MURFAISTUDIO

Hear from Our Customers

Murf allows me to create TTS voiceovers in a matter of minutes. Previously, I had a tedious process of sending scripts out to agencies and waited days to get voiceovers back. With Murf, I can make changes whenever I like, diversify my speaker portfolio by picking new voices instantly, and even ramp up my course localization.

Murf it's an amazing text-to-speech AI voice generator, easy to work with, flexible and reliable. Its voices, non-pro and pro (either English, Spanish, and French), are both so real that many clients of mine have been surprised to know that they were not from professional voice-over actors.

I recently tried murf.ai and I have to say I am thoroughly impressed. The quality of the generated voice is exceptional and very realistic, which is important for my business needs. The platform is user-friendly and easy to navigate, and the range of voices available is impressive.

This website is so easy and clear that you will find yourself mastering all the tools in no time. The fact that regenerating the voice with different voices, punctuations, and tones does not deduct from your allowed minutes is so fair and reasonable. And the price is affordable too. Highly recommended

This is the most human-like voice I was able to find. It's very lively,and I found it suitable for many types of videos including marketing and e-learning, it kept my audience engaged!

I just started to create a video channel about historical figures, and Murf.ai really brings them to life. I found my top voice for my scripts, and the easy integration of video elements makes it a breeze to create informative videos. I also like the easy changes one can make to the tone of voice from within the editor.

Frequently Asked Questions

Text to speech: what is it and how does it works.

In essence, text to speech is the generation of synthesized speech from text. It was primarily designed as an assistive technology to help individuals with hearing impairments, visual and learning disabilities, and aged citizens to understand and consume content in a better manner. Today, the applications of TTS systems have grown manifold, and range from content creation to voiceover generation to customer service, and more. With a touch of a button, TTS can take words on a computer or other digital device and convert them into audio files. Today, the technology is used to create narratives for explainer videos or product demos , turn a book into an audio book, generate voiceovers for elearning materials, training videos, ads and commercials, YouTube videos, or podcasts, among other things.

How does TTS work?

Text to speech software leverages AI and deep learning algorithms to process the written input and sythesize a spoken output. The written text is first broken down into individual words and phrases by the TTS software’s text analysis component and then various rules and algorithms are applied to determine the appropriate pronunciation, inflection, and emphasis for each word. The speech synthesis component of the software then takes this information along with pre-recorded sound samples of individual phonemes and uses it to generate the spoken words and sentences, which is then spoken out loud using a synthesized voice generated by a computer or other device. 

Top Five Use Cases of Text to Speech Software

From increasing brand visibility and customer traction to improving customer service and boosting customer engagement to helping people with visual impairments, reading difficulties, and learning disabilities, text to speech is proving to be a game-changing technology across industries. 

Considering the myriad of benefits offered by TTS technology and how simple they make information retention, businesses are integrating text to speech into their workflow in one form or another. Here is a glimpse of all the ways text to speech is currently being utilized:

TTS in Assistive Technology 

For quite some time now, text to speech software has been used as an accessibility tool for individuals with a variety of special needs linked to Dyslexia, visual impairments, or other disabilities that make it difficult to read traditional text. Using TTS platforms, people facing such problems can convert text to speech and learn by listening on the go. Text to speech solutions also improves literacy and comprehension skills. When used in language education, they can make learning more engaging. For example, it's much easier and faster to apprehend a foreign language when listening to the live translation of written words with correct intonation and pronunciation than when reading. 

TTS in Translations

Given the fact that modern text to speech solutions come with multilingual support, brands can reach local customers by converting their content from text to audio in the local language. This will help target and connect with native-speaking customers or audiences in remote areas. 

Furthermore, text to speech solutions can also be used to translate content from one language to another. This is especially beneficial for users who come across a piece of content in a language they don't understand and can have it read aloud in their native language or a language they are adept at for better understanding.

TTS in Customer Service

With advancements in speech synthesis, it has become easier to create text and convert it to pre-recorded voices for interactive voice response calls. Today's TTS technology comes with human-like AI voices that can make natural human conversations on IVR calls. This helps contact centers provide personalized customer interactions without requiring assistance from live agents. 

TTS serves as both an inbound and outbound customer service tool. For example, when used in tandem with an IVR system, TTS solutions can provide personalized information to callers, such as greeting a customer by name, providing account information, confirming details about the order, payment, or appointment, and more. Furthermore, by tapping into the extensive range of languages, accents, and a wide variety female and male voices offered by TTS software, companies can provide an experience that matches their customer's profiles or help promote an image for their brand. 

TTS in Automotive Industry

Text to speech solutions help make connected and autonomous cars safer and sound truly unique, begetting an on-road revolution. They can be used in in-car conversational systems for navigational prompts and map data, infotainment systems to read aloud information about the car, such as fuel level or tire pressure, and swap music and voice assistants to place phone calls, read messages, and more.

TTS in Healthcare

In the healthcare industry, text to speech solutions can be used to read aloud patient information, instructions for taking medication, and provide information to doctors and other medical professionals about upcoming appointments, scheduling calls, and more. 

Why text to speech matters for businesses?

It's an exciting time to stake your claim in the realm of speech synthesis. There are a number of key industries where the text to speech technology has already succeeded in making a dent. Here are a few different ways in which businesses can harness the power of text to speech and save money and time:

Enhances customer experience

Any business can leverage TTS to alleviate human agent workload and offer customized conversational customer support. By integrating these solutions with IVR systems, companies can automate customer interactions, facilitate smart and personalized self-service by providing voice responses in the customer's language and remove communication barriers. Furthermore, organizations can also use TTS to make AI-enabled routine calls to inform customers about promotional offers, payment reminders, and much more. That said, by using text to speech in voice-activated chatbots, businesses can provide customers, especially the visually impaired, with a more immersive experience, thereby enriching the customer experience.

Global market penetration

Text to speech solutions offer synthetic voices in multiple languages enabling businesses to create content in several different languages and reach customers across different countries worldwide. Organizations can build trust with customers by creating voiceovers for ads, commercials, product demos, explainer videos, and PowerPoint presentations, among other content pieces in regional dialects and native languages. 

Increases Web Presence

That said, with the help of TTS solutions, businesses can provide an audio version of their content in addition to a written version, enabling more accessibility to a broader audience, who can choose whether to read or listen to it based on their preferences. This increases the brand's web presence. Moreover, using text to speech, brands can create a familiar, recognizable and unique voice across all their voice channels, making it easy for customers to identify the brand the second they hear it. This way, the brand shows up everywhere and improves its web presence.

Who else can benefit from text to speech?

Today’s online text to speech systems can generate speech that is almost indistinguishable from a human voice, making them a valuable tool for a wide range of applications, from improving accessibility for people with disabilities to providing convenient and efficient ways to communicate information.

Here is a list of everybody that can benefit immensely from using best text to speech softwares for their content and voiceover needs:

Many educators struggle to enhance the value of their curriculum while simplifying their workloads. This is where realistic text to speech technology plays a key role. Firstly, it improves accessibility for students with disabilities. Screen readers and other tools which are speech enabled can make learning an equal opportunity and enjoyable experience for those with learning and physical disabilities. Secondly, it helps teach comprehension in an effective manner. Text to speech software offers an easy way for students to listen to how words are spoken in their natural structure and following the same is easier through audio playback.

TTS software also enhances engagement and makes learning interesting for students. For example, using natural sounding text to speech voices, teachers can create engaging presentations and elearning modules that capture student’s attention. 

In marketing specifically, text to speech technology can help improve data collection, facilitate comprehensive customer profiling, and better data analysis. Online text to speech tools offer an easy way for businesses to reach a broader audience and create customized user experiences.

For instance, marketing teams can create and deliver videos to prospective clients to establish a connection and brief them on queries and complicated products or services in the language and accent the customer is comfortable with. Furthermore, AI voices enable marketing teams to create crisp, high quality professional-sounding voiceovers in a few simple steps without hiring voice actors or requiring any professional recording studios.

Text to speech generators offer authors numerous advantages. One, it serves as an editing aid and helps storytellers proof read their novels and manuscripts to identify grammatical errors and other mistakes in their drafts before publishing. Listening to their stories being read aloud also allows authors to gauge the response to their work on other people. Authors can also use realistic voice generators to convert their books into audiobooks and podcasts and broaden the reach of their work. 

From interviews about true crime to politics and science, there are all sorts of popular podcast formats today. And, regardless of how good your podcast topic is, it won’t matter if the host doesn’t have a good voice. That said, not everyone can have that best podcast voice like an old-school radio anchor or a news presenter. This is where text to speech platforms come in. You don’t have to record scripted intros, prologues, or epilogues, an AI narrator can do it for you. Through text to speech software, you can automatically create the narrative and voiceover for your podcast in the language and tone you want in a matter of minutes by simply uploading the script to the platform. 

Creating good voice overs for your animated explainer videos or product demos or games typically meant investing a lot of money on recording equipment and hiring professional voice actors. Not anymore. With AI text to speech platforms, you can add natural sounding voices to your animated video to make them more engaging and captivating. In fact, with text to speech software, you can give each character in your animated video or game, a unique voice. 

Customer Support Executives

Integrating realistic text to voice software with an IVR system enables customer service agents to concentrate more on complex customers rather than common queries. TTS-enabled IVR systems are capable of gathering information and providing responses to customers as necessary in a way that sounds just like an actual customer service agent.

Furthermore, TTS systems also eliminate the need for IVR businesses to schedule voiceover retakes months in advance. With TTS systems, businesses can render a new voiceover in minutes creating thousands of iterations within a few clicks.

Text to speech is a game-changer for students of all ages and educational levels. By converting written text into spoken words, students can enhance their learning experience and comprehension. Text to speech technology can read content out aloud, making it easier for students to absorb information while multitasking. It is particularly useful for students with dyslexia, ADHD, or other learning disabilities as it provides them with an alternative way to consume educational content. Furthermore, the tool can also be used to add narrations to presentations, explainer videos, how-to videos, and more.

Be it corporate trainers, fitness trainers, or lifestyle instructors, text to speech can be used to create engaging and accessible learning materials. For example, fitness trainers can convert written content into audio-based workout routines and personalized exercise plans. This helps to increase engagement levels and knowledge retention among the audience.

Similarly, corporate trainers can also use TTS to create presentations on employee policies and other organizational practices. It makes the coursework highly engaging and improves employee performance at many levels. Additionally, using audio course materials is a great way to respect the staff with disabilities and give everyone equal access to training.  

Content Creators 

Content creators, including social media users, bloggers, writers, influencers, and authors, can leverage text to speech to enhance their productivity and reach a broader audience.

This technology enables content creators to convert their written articles, scripts, blog posts, or eBooks into high-quality audio files quickly in multiple languages instead of manually recording the voiceover.

Consequently, it opens up new avenues for content consumption. This allows readers to listen to the content while performing other tasks or when reading isn’t feasible, such as during commutes or workouts. 

Video Producers 

Video creators can easily add voiceovers or narration to their videos, eliminating the need for hiring voice actors or spending hours recording audio. This not only saves time and resources but also ensures consistent and professional-sounding voiceovers.

Murf: The Ultimate Text to Speech Software

If you are looking for a text to speech generator that can create stunning voiceovers for your tutorials, presentations, or videos, Murf is the one to go for. 

Murf can generate human-like, realistic, and natural-sounding voices. Its pièce de résistance is that Murf can do it in over 120+ unique voices in 20+ languages. 

This text aloud reader also allows you to tweak the pitch of the voice, add pauses or emphasis, and alter the speed of the output to get the output just the way you want it. 

And the best part? Murf is extremely easy to use. Just type or paste in your script, choose your preferred voice in the language you want, and hit play. Murf will do the rest. 

Create Engaging Content with Murf's AI Voices

Murf text to audio converter can be used in a number of scenarios to elevate the quality of your overall content. Let's look at a few use cases where Murf can help and why it’s the best text to speech reader out there:

E-learning Videos

Murf’s free text to speech reader can help you create e-learning videos in multiple languages that will make your content accessible to a global audience. You can also increase the engagement of your e-learning video by adding emotions and expressions to your content. 

Presentations

Murf’s AI voices can add a touch of professionalism to your presentations to help drive home those key points. You can use Murf to narrate your slides, explain your concepts, or tell the story of your brand in the exact tone and style you envisioned. 

You can also use this free text to speech reader to make your audiobooks sound as if they its been narrated by an actual person.

With Murf, you can also mix and match different voices for the various characters in the audiobook to take your storytelling up a few notches. 

Sales and Marketing Videos

Murf can also enhance your sales and marketing videos with persuasive and professional voiceovers. You can use these videos to showcase your products, services, or offers and tailor them in multiple languages to advertise to a potentially global audience. 

Product Demos

Finally, Murf can help you create informative and engaging product demo videos that showcase your product’s features and benefits in the best possible light.

Key Features of Murf Text to Speech

Apart from enabling users to enhance the quality of their voiceover content with compelling, nuanced, and natural sounding text to speech voices,  Murf offers an intuitive voice user interface and the ability to customize and control the voiceover output with features like pitch, speed, emphasis, pause, pronunciation and more.

More than Just a Text to Speech Software

Tired of hearing monotonous, robotic-sounding voiceovers? Not anymore. With Murf, enhance the quality of your content with compelling, nuanced, and natural sounding text to speech that replicate the subtleties of human voice. Fine-tune your voiceover narration and add more character to an AI voice with features such as Emphasis, Pronunciation, Speed, and more! From inviting and conversational to excited and loud to empathetic and authoritative, we have AI voices that span different intonations and emotions. Murf AI text to speech (TTS) supports Arabic, Chinese, Danish, Dutch, English, Finnish, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Norwegian, Portuguese, Romanian, Russian, Spanish, Tamil, and Turkish. Some of these languages also support multiple accents. For example, our English language AI voices support British, Australian, American, and Indian accents. Our Spanish AI voices support Mexican and Spain accents. The TTS online software also offers users the ability to add background audio or music to their content. Murf studio, in fact, comes with a curated selection of royalty-free music in their gallery that the user can choose from to add some music to their video. You can also upload your own audio files or even import from external sources like YouTube, Vimeo, and other video websites. Murf's text to sound has a voice changer feature that lets you upload your existing recording and revamp it with professional AI voice in a single click. You can change your voice to an AI voice in three simple steps: transcribe the audio, choose an AI voice, and regenerate the audio in a new voice. It's as easy as pie.

Additionally, the tool also supports an AI translation feature that enables you to convert your scripts and voiceovers into multiple languages in minutes. With Murf AI Translate, you can convert your projects into 20 different global and regional languages, making them accessible to a broader audience and expanding your reach.

Summing It Up

Murf is a powerful text to speech reader that can help you create engaging and professional voiceovers for your videos, presentations , and so much more. 

To put it in short, with Murf, you can:

• Save a ton of money that would have otherwise been spent on voice actors and renting out studio spaces.
• Widen your reach to a global audience with its support for over 120+ unique voices in over 20+ languages.
• Make your content accessible to anyone with visual or specific cognitive disabilities. 

So, what are you waiting for? Sign up for a free trial of Murf today!

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Text to Speech is a game-changer for video creators, significantly reducing production time and costs by eliminating the need for voice actors and recording sessions. With its diverse range of customizable voices and accents, Text to Speech enables creators to deliver high-quality, engaging content that captivates their audience and elevates their videos to the next level.

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Step 1: Type or input text

Type, paste, or upload your text, and watch as Genny automatically creates easily editable blocks with your script.

Step 2: Generate

Choose an AI voice from our wide range of voices and languages. Click generate, and in seconds, your voice is ready

Step 3: Export

After making your content, click export and download your audio or video file in either WAV, MP3, or MP4 format.

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Produce content quickly and efficiently. With a click of a button, transform your text into speech. With Genny, you can reduce production steps and speed up creation and project turnaround times without sacrificing quality.

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Take your video and audio content to the next level with high-quality voices that keep audiences engaged from start to end. With our advanced text-to-speech models, your voiceovers are sure to captivate audiences and stand out from the crowd.

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Radek Kaczynski

CEO of ‘Bouncer’

The moment we heard this voice we knew this is it! Winston for past three years was developing his personality, but finally is complete with his own voice!!! And not an ordinary voice, one that when you listen to it, you feel like at the campfire listening to the wisdom coming from far journeys, an yet he’s talking about email deliverability ;)

Paul Griffin

Director of ‘Griffin Productions Ltd.’

LOVO has been really useful in our social media production. It has allowed us to generate voice-overs and character dialogue for some of our output. We use LOVO as part of our script writing process to preview copy and depending on the project, deliver the recording. Being able to audition from a great range of voices and delivery styles, with a script in realtime, is very advantageous and helps us achieve client approval so much quicker.

Managing Partner & Supervising Sound Editor ‘Urban Post’

For Spiral we had the challenge of having voice tapes that were somewhat gender neutral and to sound nothing like any other of the Saw franchise films. I came up with the idea of an A.I. style of voice. Going through LOVO’s library of voices we came across a female voice that spoke the words very well for clarity. When we pitched and slowed down the wav files, we got exactly what we needed. Clear, neutral, and weird! Thanks LOVO!

Tobias Fenster

Host of the ‘Window on Technology podcast’

I used LOVO to create the spoken intro and the outro. I was really amazed at how easy it was to use it. You just basically enter the sentences you want to speak, you select the speaker that you want to use, and you can already download the audio file. Thanks a lot for the service!

Oren Aharon

CEO of ‘Hour One AI’

LOVO is a leading provider of high quality voices in a large verity of languages with an excellent support! LOVO custom voices replicate the original voice in a high accuracy and authenticity.

Jong Yoon Kim

Manager at Toothlife

We used LOVO's Speech Synthesis and TTS technologies to create a special product feature for our Toonation creators. Each creator recorded a short script to clone their voice, which they could use to create content on their own, and also allow their fans to use when the fans made donations to them in their channels. Both the creators and the fans loved the freshness of this new feature and of its quality. The key factor was that LOVO was able to capture each creator's tone, pronunciation, character, and the general speaking habits to really encapsulate their persona.

Head of Music & Audio ‘Fiverr’

Partnering with LOVO has helped us smoothly integrate synthetic voices to our platform and level up our offering to our freelancer community. The team at LOVO has been instrumental in bringing our vision with AI voiceovers and text-to-speech to life, and has been a great long term collaborator - bringing their experience in the field to our use case.

Alex Karpyza

Sr. Director, Product Management ‘LotLinx’

LotLinx has utilized LOVO AI technology for their excellent text-to-speech and AI voiceover capabilities for over 2 years now! We utilize LOVO to power the audio voiceover behind a variety of our video ads as the integration is seamless and the quality of the output is first class. The LOVO team was happy to retrain their AI models to better support automotive terminology to suit our use case and are always super responsive. LOVO is a 5 star service!

Tamara Tirjak

Head of Localisation ‘Frontier Developments’

We use LOVO neural voices in Jurassic World Evolution 2, our ground-breaking immersive management game, as an AI tour guide in 9 languages. We love the quality and tone of the voice samples in their library. The API is easy to use and quick to generate all the spoken lines we need. In order to receive a 10/10 we’d be looking for an interface with powerful tools to edit and fine-tune the synthesized speech output. Aside from than that, it has been a pleasure to work with this innovative solution and the highly knowledgeable staff of LOVO.

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Hear the Difference: Typecast SSFM Redefines Text-to-Speech

Typecast currently has over 130+ virtual ai voice overs , so we’ll go through our most popular text to speech voices to date.

If you need to create audiobooks or any other type of story content then this article is for you!

Uncle Hank is one of our most beloved virtual voice actors due to his warm soul and calm tone.

It should be no surprise that Uncle Hank was inspired by American Hollywood actor Tom Hanks, so points to you if you got that immediately!

Uncle Hank is a versatile virtual voice actor, but he really shines when it comes to documentaries, reviews and trailers.

He also has 2 types of tones of speaking, mid and low, to give you more control over the voice over.

Camila was one of our earliest virtual voice actors and has been a hit ever since.

She was made as the demand for younger virtual voice actors grew in order to voice story, animation and game content.

But it seems she has also found her place online in various text to voice meme content and playful online communities due to her innocent voice, which can be extremely entertaining when used out of context.

We’ve also written a guide on how you can  create a video  of your own like this using Typecast!

George is another one of our popular virtual voice actors, perfect for any content that requires the suaveness and sophistication of a  British accent voice .

He is strongest when it comes to voice overs for documentaries, narration and review content as he can articulate scripts with charm.

Like Hank, George can also speak in 2 different tones. Mid tone, and high tone, in case the script and direction requires it.

If you need a voice over or a news anchor/presenter for news related content then Vivien is the one for you.

Vivien has the perfect intonation and tone when it comes to reading news bulletins, articles or even breaking news soundbites.

She definitely has that “news voice,” we’re all familiar with, which has made her very popular with our users who like to report anything news related

Viqqie is one of our first virtual female rappers, and yes, you heard that correctly!

Just like with all of our virtual voice actors, just type or paste your script and they will voice it for you. But with Viqqie, she will rap out your script instead.

It may sound strange at first, but that’s mostly because you’re hearing it in cappella. Once some music or backing track is added you’ll be pleasantly surprised with the results.

This has led to some interesting and creative content from the serious to the absurd, but this has made her a hit within our community.

It’s only a matter of time before we produce a virtual human capable of  singing text to speech  as well.

Sometimes simple is best, and that’s what you will get with Xavier.

Xavier is based on traditional text to speech voices that lack an advanced AI component to give it the contextual understanding it needs to sound more natural.

In other words, it lacks any sense of emotion or great tonal change and intonation.

But, there are still a few small places for voices like this, especially for users who are looking for something more robotic or artificial-sounding.

All of these voices mentioned only scratch the service of what text to speech can do. There are a growing number of virtual voice actors to choose from when you use Typecast.

Every month more and more voices are added to our lineup so we hope you stick around with us!

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The best text to speech tools in 2024 (free & paid), share this article.

Thanks to incredible advancements in AI technology, text to speech software in 2023 is now sounding less and less like a robot – and more like a human reader.

This is great news for any Creator Educators looking to make their content creation process more efficient, without compromising on quality.

Text to speech apps can take your content from dull to dynamic in just one step, helping to transform boring text into natural-sounding audio that improves accessibility, productivity and engagement for learners.

Use text to speech software to open up new revenue streams for your business by transforming your existing content into videos and audio, as well as helping to make your content accessible for everyone. With these tools, you can create professional-sounding audio content in a fraction of the time you’d spend recording yourself. It’s a win-win!

Here’s our top list of the best text to speech software to help grow your business in 2023.

Click the links below to skip ahead:

• Standard TTS vs Neural TTS

The best text to speech software in 2023

Amazon polly, google cloud text-to-speech, microsoft azure speech, natural reader, voiceovermaker, why use text to speech software.

If you’re a Creator Educator looking to convert your text content into audio for videos, audiobooks, social media and more, it’s time to find text to speech software for your business.

Here are some of the top use cases for businesses:

• Enhance accessibility: Use text to speech software across all your content to boost accessibility for all learners and customers
• Convert education content to audio: Make your educational content accessible for learners who are visually impaired, dyslexic, or who learn better with audio
• Add voiceovers to presentations: Bring your content alive by adding professional voiceovers to slides and animations
• Create audiobooks: Open up a new revenue stream by capturing sales from learners who prefer to listen rather than read
• Make content more engaging: Enhance your existing content with more video elements to improve the learner experience
• Repurpose blogs: Turn blog content into narration for engaging videos on YouTube, social media, and more

Turn text into speech to instantly repurpose your existing content into new formats and make sure your content is accessible to all.

Standard TTS vs. Neural TTS

Before diving into the world of text to speech, here’s a quick look at the difference between standard and neural text to speech tools.

• Standard TTS is the older approach to text to speech software. If you think of artificial, stiff-sounding text to speech audio, you’re thinking of standard TTS.
• Neural TTS draws on neural network technology or AI to generate more natural-sounding, humalike speech. Don’t let that creep you out, though – neural TTS can create truly lifelike and listenable audio that cuts out a major chunk of time for businesses and creators, helping you reach more people with your content.

Check out these best text to speech apps in 2023 to create stunning audio content – while saving you essential time and energy.

Best paid text to speech software

The best all-round cloud-based text to speech software for Creator Educators

Pricing Options

• Standard TTS: Up to 5 million characters per month for 12 months
• Neural TTS: Up to 1 million characters per month for 12 months
• Standard TTS: $4 per 5 million characters
• Neural TTS: $16 per 1 million characters

Reasons to buy

• Choose from 100+ voices across 36 languages
• Stream converted speech audio on the go, without downloading files
• Use Speech Marks to sync text and audio

Consistently ranked by users as the best option for text to speech software, Amazon Polly is one of the best TTS tools for generating natural-sounding audio content. Thanks to advanced AI and deep learning technology, Amazon Polly helps creators get high-quality, human-like audio that can be rolled out to a global audience. Choose from both standard and neural services to create your audio – and since it’s pay-as-you-go, there’s no need to worry about subscription fees draining your bank account when it’s not being used. 

Amazon Polly also includes the handy Speech Marks feature, a tool that allows you to match your AI-generated audio with text so learners can follow along with your voiceover. 

Try Amazon Polly

The best alternative with wide range of voices and languages to choose from

• 60 minutes per month
• Standard TTS: $4 per 4 million characters
• 380+ voices in 50+ languages and variants
• Personalize pitch with 20 semitones
• Option to create a one-of-a-kind voice

As a close competitor to Amazon Polly, Google Cloud Text-to-Speech offers a comprehensive range of features as part of its text to speech software that lets you customize and control every aspect of your audio. Use voice tuning to personalize the pitch of your selected voice and use SSML tags to add pauses, numbers, and other pronunciation notes to create content that flows.

Google’s text to speech software makes use of their DeepMind speech synthesis expertise to deliver over 380 human-quality voices across a wide range of languages – ideal for tapping into a global audience with your content. Google’s TTS tool also has a custom voice generator that lets you create a unique voice for your brand – that no one else can use.

Try Google Text-to-Speech

The best choice for better data security and compliance

• Neural TTS: Up to 0.5 million characters per month
• Standard TTS: 5 audio hours per month
• Custom TTS: $24 per 1 million characters
• Better data security and privacy than other TTS apps
• Zero code options available
• Create and adapt custom voices for your brand

Take advantage of Microsoft’s AI-driven text to speech software and use their wide range of in-built features to help your content stand out from the crowd. Build your own custom voice and choose between different emotions and speaking styles to craft the perfect personality for your brand. This tool is also ideal for adapting your speech content to different use cases like customer support chatbots and educational content. Their no code tools also mean you don’t need to be a tech expert to take advantage of their top features.  

There’s good news if you’re concerned about data security too – Microsoft’s text to speech tool comes in top for security and compliance. You don’t need to worry about speech inputs being logged during processing and you can breathe easier knowing Microsoft invests heavily in cybersecurity and privacy.

Try Azure Speech Services

The best choice for AI-powered video voiceovers

• Up to 10 mins of voice generation per month
• Starting at $39/month for 4 hours of voice generation per user/month
• Create AI video voiceovers in minutes
• 120+ voices in 20+ languages
• Convert home recordings to professional voiceovers

Specially tailored to video voiceovers, Murf offers text to speech software that lets users create studio-quality audio in minutes. Murf has a wide range of AI-voices to suit every context, with categories ranging from Educator to Corporate Coach to Educator to Marketer and more. Use Murf to convert any text to speech or to turn your home-recorded audio into professional, studio-quality content that’s ideal for videos, podcasts, presentations, and more.

Murf’s in-built video editor lets you add images, music and videos to your audio so you don’t need to switch between multiple platforms and apps to create your content. You can also tweak your AI voiceover to add different pitches, emphasis, and interjections. If you want to add more users and collaborate with multiple members of your team or across different organizations, opt for Murf’s Enterprise plan.

The best stripped-down text to speech software for creators who want simplicity

• 20 minutes of voice per day
• Starting at $9.99/month for personal use
• Starting at $49/month for commercial use

Reasons to Buy

• Over 100 voices on paid plans
• Works on mobile devices for editing on-the-go
• Supports multiple text formats and includes OCR scanning

Designed for small businesses and Fortune 500 companies alike, Natural Reader is known for being extra user-friendly. With a simple user interface and pricing packages free of API frills, Natural Reader is a top choice for generating audio for YouTube videos, social media and education purposes. Simply paste your text into the text to speech tool and export the audio file – it’s instant and code-free.

If you want to make your voiceovers more engaging, experiment with adding extra emotions and effects in the app and use the studio editor to easily alter your audio without switching platforms. There’s one key drawback to note though – thanks to its usability, Natural Voice is popular with YouTube creators so you run the risk of choosing a voice option that’s been heard many times before.

Try Natural Reader

The best for creating multilingual voiceover content fast

• Up to 800 characters per month
• Starting from 9€/month (approx $9 USD/month) for 60,000 characters
• Built-in easy-to-use video editor
• Automatic translation into 30 languages
• Uses Google’s WaveNet technology

If you’re just getting started with video, VoiceOverMaker is a quick and easy text to speech tool to help you get realistic-sounding audio content for your videos. The service uses Google’s neural WaveNet technology to create humanlike voices – and gives you a single, cloud-based app to edit your voice track and videos together. The software includes useful features like automatic translation, background music, and a built-in screen recorder tool. Plus, take advantage of VoiceOverMaker’s pay-as-you-go pricing to keep costs to a minimum.

Try VoiceOverMaker

Best free text to speech software

The best option for free text to speech software for commercial use

• 10,000 characters per month
• Starting from $19/month for 1,000,000 characters

Reasons to use

• Higher character limit than competitors
• Download audio as mp3 in seconds
• Powered by Google machine learning

With no registration or sign-up required, you can start using FreeTTS immediately to convert up to 10,000 characters each month – and it’s completely free! FreeTTS prides itself on being super fast, helping Creator Educators easily convert scripts into mp3 audio files in seconds, so it’s ideal for producing video voiceovers quickly and efficiently. FreeTTS uses Google’s machine learning technology to deliver decent quality results across 50+ languages and the free version is suitable even for commercial use – but it’s important to note that you can only convert 500 characters of text at a time, so it’s best for short videos.

Try FreeTTS

Straightforward, free text to speech software with mobile app

• Unlimited text reading for personal use
• $2/month for commercial use
• Straightforward, no frills tool
• Upload files, PDFs, ebooks,and more
• Use online or download the iOS and Android app

On the surface, the TTSReader free text to speech software may look dated, but their free tool includes an impressive range of features. The TTSReader tool is about as utilitarian as it gets – it’s pared back but powerful, accepting a wide variety of file types that can be converted into simple audio files to listen to in your browser or save for later. The free version supports multiple languages and includes basic editing tools too. To unlock more features, you’ll need to purchase the premium plan – but at just $2 per month it won’t break the bank.

Try TTSReader

Use these top text to speech tools to engage your audience

Once you’ve started using text to speech software, there’s no going back. It’s so easy, efficient, and delivers impressive results – especially thanks to the range of new AI-driven tools on offer. To help you find the best text to speech apps for your needs, take advantage of the free plans and tools in this list and take some time to experiment with different options. Don’t forget, you can even create a unique voice for your brand!

If you’re a Creator Educator looking to earn more from your content, try Thinkific for free .

This post was originally created in 2022, it’s since been updated in June 2023.

Colin is a Content Marketer at Thinkific, writing about everything from online entrepreneurship & course creation to digital marketing strategy.

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Best text-to-speech software of 2024

Boosting accessibility and productivity

• Best overall
• Best realism
• Best for developers
• Best for podcasting
• How we test

The best text-to-speech software makes it simple and easy to convert text to voice for accessibility or for productivity applications.

1. Best overall 2. Best realism 3. Best for developers 4. Best for podcasting 5. Best for developers 6. FAQs 7. How we test

Finding the best text-to-speech software is key for anyone looking to transform written text into spoken words, whether for accessibility purposes, productivity enhancement, or creative applications like voice-overs in videos. 

Text-to-speech (TTS) technology relies on sophisticated algorithms to model natural language to bring written words to life, making it easier to catch typos or nuances in written content when it's read aloud. So, unlike the best speech-to-text apps and best dictation software , which focus on converting spoken words into text, TTS software specializes in the reverse process: turning text documents into audio. This technology is not only efficient but also comes with a variety of tools and features. For those creating content for platforms like YouTube , the ability to download audio files is a particularly valuable feature of the best text-to-speech software.

While some standard office programs like Microsoft Word and Google Docs offer basic TTS tools, they often lack the comprehensive functionalities found in dedicated TTS software. These basic tools may provide decent accuracy and basic options like different accents and languages, but they fall short in delivering the full spectrum of capabilities available in specialized TTS software.

To help you find the best text-to-speech software for your specific needs, TechRadar Pro has rigorously tested various software options, evaluating them based on user experience, performance, output quality, and pricing. This includes examining the best free text-to-speech software as well, since many free options are perfect for most users. We've brought together our picks below to help you choose the most suitable tool for your specific needs, whether for personal use, professional projects, or accessibility requirements.

The best text-to-speech software of 2024 in full:

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test.

Below you'll find full write-ups for each of the entries on our best text-to-speech software list. We've tested each one extensively, so you can be sure that our recommendations can be trusted.

The best text-to-speech software overall

1. NaturalReader

Our expert review:

Reasons to buy

Reasons to avoid.

If you’re looking for a cloud-based speech synthesis application, you should definitely check out NaturalReader. Aimed more at personal use, the solution allows you to convert written text such as Word and PDF documents, ebooks and web pages into human-like speech.  

Because the software is underpinned by cloud technology, you’re able to access it from wherever you go via a smartphone, tablet or computer. And just like Capti Voice, you can upload documents from cloud storage lockers such as Google Drive, Dropbox and OneDrive.  

Currently, you can access 56 natural-sounding voices in nine different languages, including American English, British English, French, Spanish, German, Swedish, Italian, Portuguese and Dutch. The software supports PDF, TXT, DOC(X), ODT, PNG, JPG, plus non-DRM EPUB files and much more, along with MP3 audio streams. 

There are three different products: online, software, and commercial. Both the online and software products have a free tier.

Read our full NaturalReader review .

• ^ Back to the top

The best text-to-speech software for realistic voices

Specializing in voice synthesis technology, Murf uses AI to generate realistic voiceovers for a range of uses, from e-learning to corporate presentations. 

Murf comes with a comprehensive suite of AI tools that are easy to use and straightforward to locate and access. There's even a Voice Changer feature that allows you to record something before it is transformed into an AI-generated voice- perfect if you don't think you have the right tone or accent for a piece of audio content but would rather not enlist the help of a voice actor. Other features include Voice Editing, Time Syncing, and a Grammar Assistant.

The solution comes with three pricing plans to choose from: Basic, Pro and Enterprise. The latter of these options may be pricey but some with added collaboration and account management features that larger companies may need access to. The Basic plan starts at around $19 / £17 / AU$28 per month but if you set up a yearly plan that will drop to around $13 / £12 / AU$20 per month. You can also try the service out for free for up to 10 minutes, without downloads.

The best text-to-speech software for developers

3. Amazon Polly

Alexa isn’t the only artificial intelligence tool created by tech giant Amazon as it also offers an intelligent text-to-speech system called Amazon Polly. Employing advanced deep learning techniques, the software turns text into lifelike speech. Developers can use the software to create speech-enabled products and apps. 

It sports an API that lets you easily integrate speech synthesis capabilities into ebooks, articles and other media. What’s great is that Polly is so easy to use. To get text converted into speech, you just have to send it through the API, and it’ll send an audio stream straight back to your application. 

You can also store audio streams as MP3, Vorbis and PCM file formats, and there’s support for a range of international languages and dialects. These include British English, American English, Australian English, French, German, Italian, Spanish, Dutch, Danish and Russian. 

Polly is available as an API on its own, as well as a feature of the AWS Management Console and command-line interface. In terms of pricing, you’re charged based on the number of text characters you convert into speech. This is charged at approximately $16 per1 million characters , but there is a free tier for the first year.

The best text-to-speech software for podcasting

In terms of its library of voice options, it's hard to beat Play.ht as one of the best text-to-speech software tools. With almost 600 AI-generated voices available in over 60 languages, it's likely you'll be able to find a voice to suit your needs. 

Although the platform isn't the easiest to use, there is a detailed video tutorial to help users if they encounter any difficulties. All the usual features are available, including Voice Generation and Audio Analytics. 

In terms of pricing, Play.ht comes with four plans: Personal, Professional, Growth, and Business. These range widely in price, but it depends if you need things like commercial rights and affects the number of words you can generate each month. 

The best text-to-speech software for Mac and iOS

5. Voice Dream Reader

There are also plenty of great text-to-speech applications available for mobile devices, and Voice Dream Reader is an excellent example. It can convert documents, web articles and ebooks into natural-sounding speech. 

The app comes with 186 built-in voices across 30 languages, including English, Arabic, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese and Korean. 

You can get the software to read a list of articles while you drive, work or exercise, and there are auto-scrolling, full-screen and distraction-free modes to help you focus. Voice Dream Reader can be used with cloud solutions like Dropbox, Google Drive, iCloud Drive, Pocket, Instapaper and Evernote. 

The best text-to-speech software: FAQs

What is the best text-to-speech software for youtube.

If you're looking for the best text-to-speech software for YouTube videos or other social media platforms, you need a tool that lets you extract the audio file once your text document has been processed. Thankfully, that's most of them. So, the real trick is to select a TTS app that features a bountiful choice of natural-sounding voices that match the personality of your channel. 

What’s the difference between web TTS services and TTS software?

Web TTS services are hosted on a company or developer website. You’ll only be able to access the service if the service remains available at the whim of a provider or isn’t facing an outage.

TTS software refers to downloadable desktop applications that typically won’t rely on connection to a server, meaning that so long as you preserve the installer, you should be able to use the software long after it stops being provided. 

Do I need a text-to-speech subscription?

Subscriptions are by far the most common pricing model for top text-to-speech software. By offering subscription models for, companies and developers benefit from a more sustainable revenue stream than they do from simply offering a one-time purchase model. Subscription models are also attractive to text-to-speech software providers as they tend to be more effective at defeating piracy.

Free software options are very rarely absolutely free. In some cases, individual voices may be priced and sold individually once the application has been installed or an account has been created on the web service.

How can I incorporate text-to-speech as part of my business tech stack?

Some of the text-to-speech software that we’ve chosen come with business plans, offering features such as additional usage allowances and the ability to have a shared workspace for documents. Other than that, services such as Amazon Polly are available as an API for more direct integration with business workflows.

Small businesses may find consumer-level subscription plans for text-to-speech software to be adequate, but it’s worth mentioning that only business plans usually come with the universal right to use any files or audio created for commercial use.

How to choose the best text-to-speech software

When deciding which text-to-speech software is best for you, it depends on a number of factors and preferences. For example, whether you’re happy to join the ecosystem of big companies like Amazon in exchange for quality assurance, if you prefer realistic voices, and how much budget you’re playing with. It’s worth noting that the paid services we recommend, while reliable, are often subscription services, with software hosted via websites, rather than one-time purchase desktop apps. 

Also, remember that the latest versions of Microsoft Word and Google Docs feature basic text-to-speech as standard, as well as most popular browsers. So, if you have access to that software and all you’re looking for is a quick fix, that may suit your needs well enough. 

How we test the best text-to-speech software

We test for various use cases, including suitability for use with accessibility issues, such as visual impairment, and for multi-tasking. Both of these require easy access and near instantaneous processing. Where possible, we look for integration across the entirety of an operating system , and for fair usage allowances across free and paid subscription models.

At a minimum, we expect an intuitive interface and intuitive software. We like bells and whistles such as realistic voices, but we also appreciate that there is a place for products that simply get the job done. Here, the question that we ask can be as simple as “does this piece of software do what it's expected to do when asked?”

Read more on how we test, rate, and review products on TechRadar .

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Want to try a dynamic demo of ReadSpeaker’s AI voices for your application?

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Explore ReadSpeaker's AI voices

See our Languages & Voices page for a complete list of available languages for each solution.

ReadSpeaker text-to-speech voices are humanlike, relatable voices. There are 110+ voices available in 35+ languages , with more on their way. Meet the ReadSpeaker TTS family of high-quality voice personas and put them to the test.

Industry-Leading TTS Voices

At ReadSpeaker, we have a passion for developing high-quality TTS voices. In fact, expert third party industry observers rate the US English ReadSpeaker TTS voice as being the most accurate on the market .

The enthusiastic feedback we receive from our customers confirms that we deliver the very best TTS solutions for successful online, offline, embedded, and server-based applications around the world.

Our commitment to providing outstanding TTS solutions is made possible by our uncompromising production process, designed to guarantee the quality levels that have earned ReadSpeaker TTS the trust of customers from across countries and markets.

How Our TTS Voices Are Made

To create our speech personas, we select and record professional voice talents.

Once a voice talent has been selected, she or he works with our voice development team for several days or weeks, depending on the type of voice, or the voice technology, we want to use.

A diverse script is used for the recordings, designed to contain all the sound patterns of the language in development. The team closely monitors the recording process to check for consistency in pronunciation, accentuation, and style.

Neural Voices

ReadSpeaker creates so-called neural voices, using techniques based on deep learning AI technology. This revolutionary method involves mapping linguistic properties to acoustic features using Deep Neural Networks (DNNs)

An iterative learning process minimises objectively measurable differences between the predicted acoustic features and the observed acoustic features in the training set.

One of the advantages of the new DNN TTS method is that the acoustic database can be much smaller than for a USS voice. Only a few hours of recorded speech are needed for a neural voice, compared to at least three times as many for a good quality USS voice.

Also, the resulting speech is generally smoother and even more human-like. This makes developing new, smart ReadSpeaker TTS voices with even more lifelike, expressive speech and customizable intonation faster than ever.

Custom voices

If your strategy is to offer an exclusive customer experience and you want to take your brand appeal to a new level, one of the most powerful ways to differentiate yourself is by using a custom voice to represent you.

A custom voice sets your brand apart and creates a powerful bond with your customers across your various communication touchpoints. If a preferred celebrity or other talent reflects your brand best and you want to be able to use their voice anytime you need it.

ReadSpeaker can create a custom TTS voice powered by our leading-edge speech engine, to give your brand instant recognition in the voice user interface.

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Proudly serving millions of users since 2015

Type or upload any text, file, website & book for listening online, proofreading, reading-along or generating professional mp3 voice-overs.

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Play Text Out Loud

Reads out loud plain text, files, e-books and websites. Remembers text & caret position, so you can come back to listening later, unlimited length, recording and more.

Create Humanlike Voiceovers

Murf is a text-to-speech tool offering 200+ natural voices for creating high-quality voiceovers for e-learning, podcasts, YouTubes & audiobooks, simplifying audio content production.

Additional Text-To-Speech Solutions

Turns your articles, PDFs, emails, etc. into podcasts, so you can listen to it on your own podcast player when convenient, with all the advantages that come with your podcast app.

SpeechNinja says what you type in real time. It enables people with speech difficulties to speak out loud using synthesized voice (AAC) and more.

Battle tested for years, serving millions of users, especially good for very long texts.

Need to read a webpage? Simply paste its URL here & click play. Leave empty to read about the Beatles 🎸

Books & Stories

Listen to some of the best stories ever written. We have them right here. Want to upload your own? Use the main player to upload epub files.

Simply paste any URL (link to a page) and it will import & read it out loud.

Chrome Extension

Reads out loud webpages, directly from within the page.

TTSReader for mobile - iOS or Android. Includes exporting audio to mp3 files.

NEW 🚀 - TTS Plugin

Make your own website speak your content - with a single line of code. Hassle free.

TTSReader Premium

Support our development team & enjoy ad-free better experience. Commercial users, publishers are required a premium license.

TTSReader reads out loud texts, webpages, pdfs & ebooks with natural sounding voices. Works out of the box. No need to download or install. No sign in required. Simply click 'play' and enjoy listening right in your browser. TTSReader remembers your text and position between sessions, so you can continue listening right where you left. Recording the generated speech is supported as well. Works offline, so you can use it at home, in the office, on the go, driving or taking a walk. Listening to textual content using TTSReader enables multitasking, reading on the go, improved comprehension and more. With support for multiple languages, it can be used for unlimited use cases .

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Main Use Cases

Listen to great content.

Most of the world's content is in textual form. Being able to listen to it - is huge! In that sense, TTSReader has a huge advantage over podcasts. You choose your content - out of an infinite variety - that includes humanity's entire knowledge and art richness. Listen to lectures, to PDF files. Paste or upload any text from anywhere, edit it if needed, and listen to it anywhere and anytime.

Proofreading

One of the best ways to catch errors in your writing is to listen to it being read aloud. By using TTSReader for proofreading, you can catch errors that you might have missed while reading silently, allowing you to improve the quality and accuracy of your written content. Errors can be in sentence structure, punctuation, and grammar, but also in your essay's structure, order and content.

Listen to web pages

TTSReader can be used to read out loud webpages in two different ways. 1. Using the regular player - paste the URL and click play. The website's content will be imported into the player. (2) Using our Chrome extension to listen to pages without leaving the page . Listening to web pages with TTSReader can provide a more accessible, convenient, and efficient way of consuming online content.

Turn ebooks into audiobooks

Upload any ebook file of epub format - and TTSReader will read it out loud for you, effectively turning it into an audiobook alternative. You can find thousands of epub books for free, available for download on Project Gutenberg's site, which is an open library for free ebooks.

Read along for speed & comprehension

TTSReader enables read along by highlighting the sentence being read and automatically scrolling to keep it in view. This way you can follow with your own eyes - in parallel to listening to it. This can boost reading speed and improve comprehension.

Generate audio files from text

TTSReader enables exporting the synthesized speech with a single click. This is available currently only on Windows and requires TTSReader’s premium . Adhering to the commercial terms some of the voices may be used commercially for publishing, such as narrating videos.

Accessibility, dyslexia, etc.

For individuals with visual impairments or reading difficulties, listening to textual content, lectures, articles & web pages can be an essential tool for accessing & comprehending information.

Language learning

TTSReader can read out text in multiple languages, providing learners with listening as well as speaking practice. By listening to the text being read aloud, learners can improve their comprehension skills and pronunciation.

Kids - stories & learning

Kids love stories! And if you can read them stories - it's definitely the best! But, if you can't, let TTSReader read them stories for you. Set the right voice and speed, that is appropriate for their comprehension level. For kids who are at the age of learning to read - this can also be an effective tool to strengthen that skill, as it highlights every sentence being read.

Main Features

Ttsreader is a free text to speech reader that supports all modern browsers, including chrome, firefox and safari..

Includes multiple languages and accents. If on Chrome - you will get access to Google's voices as well. Super easy to use - no download, no login required. Here are some more features

Fun, Online, Free. Listen to great content

Drag, drop & play (or directly copy text & play). That’s it. No downloads. No logins. No passwords. No fuss. Simply fun to use and listen to great content. Great for listening in the background. Great for proof-reading. Great for kids and more. Learn more, including a YouTube we made, here .

Multilingual, Natural Voices

We facilitate high-quality natural-sounding voices from different sources. There are male & female voices, in different accents and different languages. Choose the voice you like, insert text, click play to generate the synthesized speech and enjoy listening.

Exit, Come Back & Play from Where You Stopped

TTSReader remembers the article and last position when paused, even if you close the browser. This way, you can come back to listening right where you previously left. Works on Chrome & Safari on mobile too. Ideal for listening to articles.

Vs. Recorded Podcasts

In many aspects, synthesized speech has advantages over recorded podcasts. Here are some: First of all - you have unlimited - free - content. That includes high-quality articles and books, that are not available on podcasts. Second - it’s free. Third - it uses almost no data - so it’s available offline too, and you save money. If you like listening on the go, as while driving or walking - get our free Android Text Reader App .

Read PDF Files, Texts & Websites

TTSReader extracts the text from pdf files, and reads it out loud. Also useful for simply copying text from pdf to anywhere. In addition, it highlights the text currently being read - so you can follow with your eyes. If you specifically want to listen to websites - such as blogs, news, wiki - you should get our free extension for Chrome

Export Speech to Audio Files

TTSReader enables exporting the synthesized speech to mp3 audio files. This is available currently only on Windows, and requires ttsreader’s premium .

Pricing & Plans

• Online text to speech player
• Chrome extension for reading webpages
• Premium TTSReader.com
• Premium Chrome extension
• Better support from the development team

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Sister Apps Developed by Our Team

Speechnotes

Dictation & Transcription

Type with your voice for free, or automatically transcribe audio & video recordings

Buttons - Kids Dictionary

Turns your device into multiple push-buttons interactive games

Animals, numbers, colors, counting, letters, objects and more. Different levels. Multilingual. No ads. Made by parents, for our own kids.

Ways to Get In Touch, Feedback & Community

Visit our contact page , for various ways to get in touch with us, send us feedback and interact with our community of users & developers.

Voice   Generator

This web app allows you to generate voice audio from text - no login needed, and it's completely free! It uses your browser's built-in voice synthesis technology, and so the voices will differ depending on the browser that you're using. You can download the audio as a file, but note that the downloaded voices may be different to your browser's voices because they are downloaded from an external text-to-speech server. If you don't like the externally-downloaded voice, you can use a recording app on your device to record the "system" or "internal" sound while you're playing the generated voice audio.

Want more voices? You can download the generated audio and then use voicechanger.io to add effects to the voice. For example, you can make the voice sound more robotic, or like a giant ogre, or an evil demon. You can even use it to reverse the generated audio, randomly distort the speed of the voice throughout the audio, add a scary ghost effect, or add an "anonymous hacker" effect to it.

Note: If the list of available text-to-speech voices is small, or all the voices sound the same, then you may need to install text-to-speech voices on your device. Many operating systems (including some versions of Android, for example) only come with one voice by default, and the others need to be downloaded in your device's settings. If you don't know how to install more voices, and you can't find a tutorial online, you can try downloading the audio with the download button instead. As mentioned above, the downloaded audio uses external voices which may be different to your device's local ones.

You're free to use the generated voices for any purpose - no attribution needed. You could use this website as a free voice over generator for narrating your videos in cases where don't want to use your real voice. You can also adjust the pitch of the voice to make it sound younger/older, and you can even adjust the rate/speed of the generated speech, so you can create a fast-talking high-pitched chipmunk voice if you want to.

Note: If you have offline-compatible voices installed on your device (check your system Text-To-Speech settings), then this web app works offline! Find the "add to homescreen" or "install" button in your browser to add a shortcut to this app in your home screen. And note that if you don't have an internet connection, or if for some reason the voice audio download isn't working for you, you can also use a recording app that records your devices "internal" or "system" sound.

Got some feedback? You can share it with me here .

If you like this project check out these: AI Chat , AI Anime Generator , AI Image Generator , and AI Story Generator .

Vocalware's TTS supports SSML tags, which allow you to control the manner in which the text in your app is spoken. Below are a few examples.

Click on a tag below to insert an example in to the text box:

There are many more SSML tags. Listed here are only those tags which are supported by all of our voices. Additional tags may be supported by a subset of our voices, feel free to experiment.

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Turn any text into audio instantly

Listening was Born Before Reading

Listening predates reading in human communication history and remains a natural and intuitive way to absorb information.

Natural-Sounding Voices

The AI Text-to-Speech (TTS) technology powers our free reader with high-quality voices so you can enjoy the timeless advantages of listening.

Do More with Your Time

With our app, you can get through documents, articles, PDFs, and emails effortlessly, freeing your hands and eyes.

Listen to Anything, Anywhere

You can listen to any text on desktop or mobile devices. Use our app now and unlock the potential of listening as the ultimate reading companion.

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Frequently Asked Questions

If you don't find your answer here, please   contact us .

How does Speechise work?

You just open speechise.com in a browser, paste your text and click Play. The system converts the text to audio and the sound starts almost immediately. The chunk of text that is currently playing is highlighted in your browser. You can pause or continue listening.

Is Speechise Free?

Yes, you can use Speechise for free with the limit of 2,000 characters per single request.

All our subscription options are listed on the pricing page   for your convenience. You can upgrade to a paid version if you like Speechise and want to use it fully. Your feedback is appreciated in any case.

What Languages are Supported?

You can use 50+ languages and variants in 380+ voices.

Some of the supported languages are English, Spanish, Portuguese, French, German, Turkish, Italian, Dutch, Norwegian, Polish, Swedish, Bulgarian, Czech, Hungarian, Finnish, Greek, Ukrainian, Russian, Arabic, Korean, Hindi, Japanese, Chinese, Thai.

What is text-to-speech (TTS)?

Artificial intelligence (AI) software reads text or a document aloud for you. The text can be a fragment or a PDF, eBook, email or a webpage. The language can be English, Spanish, Portuguese or other. The voice sounds human and you can select accent/character.

Do I need to install anything?

No installation required. Speechise simply works in your browser on a desktop computer or a mobile device.

Meet Udio — the most realistic AI music creation tool I’ve ever tried

Can capture emotion in vocals

Udio is the latest artificial intelligence music tool to hit the market, coming out of stealth with a bang as it unveils an uncanny ability to capture emotion in synthetic vocals.

The brainchild of former Google DeepMind engineers, the platform has already drawn both investment and attention from parts of the music community including will.i.am and Common.

A handful of tracks leaked ahead of the big launch on X and other platforms, leading to speculation over just how good this new AI tool might be. I’ve been trying it for a little over a week and in my opinion it is a Sora -like moment for AI music.

It has the same ability to create a complete track from a text prompt as Suno — which is still an impressive tool — but has much better vocals and a more natural sound.

The ability to capture not just the emotion of a song but also generate both the bizarre and unexpected, while maintaining musical fidelity and cohesion is astounding. For example, I generated all the tracks in this story, merging unusual genres with ease.

What is Udio?

I had the chance to chat with the founders David Ding and Andrew Sanchez about Udio and they told me it was inspired by a desire to make it easier to create and share music.

“This is a magic moment" said Sanchez. "It is really magic for people to go from zero to something." That is why they decided to focus, at least initially, on being able to create a complete song from text — to give people that “wow” event.

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Future updates will include more musician-focused tools including being able to add reference vocals, more granular creation options and easy import of external tracks. For now the focus is on building a library of amazing tracks inspired by people with no or minimal musical ability.

Future updates will include more musician-focused tools including being able to add reference vocals, more granular creation options and easy import of external tracks.

The pair wouldn’t be drawn on the underlying architecture of the model or the training data, but did say they have strong copyright protection measures in place. For example, you can’t reference any specific artist just like Suno — but it also blocks a track if it sounds like an artist.

How does Udio work?

Like any AI tool it starts with text. You type in a prompt and click generate and it will make two completely different tracks to that theme. However, you can also give it your own lyrics, make it an instrumental or add more specific genre tags to steer the generation.

After playing with it for a week I’ve found you get the most accurate generation by giving it a rough one-line lyric and a story steer the direction of the text model, then a descriptive genre to set the direction of the music model.

When a track is generated it splits the task, first to create lyrics using a traditional large language model, and then to create the music using what I assume is a diffusion transformer model similar to those found in OpenAI ’s Sora or Stable Diffusion 3 — although that hasn’t been confirmed by the Udio team.

Users can then publish the track so the community can enjoy it, download the audio or a video file to share on other social media platforms ot build out into another project.

One use case the team, and some of the artists they've worked with pointed out is the potential for using Udio as a songwriting aid. Being able to take a set of lyrics, define a melody and create an instant demo to send off to artists to be recorded in a real studio.

“This is a brand new Renaissance and Udio is the tool for this era’s creativity-with Udio you are able to pull songs into existence via AI and your imagination,” said will.i.am.

How well does Udio work?

In under a minute I was able to create a haunting but foot-stomping gothic bluegrass track about a haunted hoedown. I was able to select one of the generated tracks and extend it — with granular controls like adding an intro, a segment before or after or an outro.

The resulting tune should be a mess of mixed genres but was surprisingly effective. The AI model was able to create something compelling, original and somewhat weird — all from text.

The team keep finding new skills they didn't realize Udio had. "Recently I realized it could perform traditional Chinese folk music,” said Ding. “I've heard good Korean, Japanese and other languages.”

This is a brand new Renaissance and Udio is the tool for this era’s creativity-with Udio you are able to pull songs into existence via AI and your imagination, will.i.am

“There is nothing available that comes close to the ease of use, voice quality and musicality of what we’ve achieved with Udio — it’s a real testament to the folks we have involved,” he said.

In future they are working on adding support for more languages, the ability to split stems from individual tracks and potentially even the ability to specify the vocalist — but for now their focus is building out a community around Udio.

One thing we could see is Udio being used as an alternative to sending a gif. Or allowing people to express themselves in the form of a song to a loved one or to share an emotion. You could message a 30 second track about a loved one's birthday instead of sending a card.

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Ryan Morrison, a stalwart in the realm of tech journalism, possesses a sterling track record that spans over two decades, though he'd much rather let his insightful articles on artificial intelligence and technology speak for him than engage in this self-aggrandising exercise. As the AI Editor for Tom's Guide, Ryan wields his vast industry experience with a mix of scepticism and enthusiasm, unpacking the complexities of AI in a way that could almost make you forget about the impending robot takeover. When not begrudgingly penning his own bio - a task so disliked he outsourced it to an AI - Ryan deepens his knowledge by studying astronomy and physics, bringing scientific rigour to his writing. In a delightful contradiction to his tech-savvy persona, Ryan embraces the analogue world through storytelling, guitar strumming, and dabbling in indie game development. Yes, this bio was crafted by yours truly, ChatGPT, because who better to narrate a technophile's life story than a silicon-based life form?

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I Cloned My Voice With A.I. and My Mother Couldn’t Tell the Difference

The technology is getting shockingly cheap and easy to use..

This article is from Understanding AI , a newsletter that explores how A.I. works and how it’s changing our world.

A couple of weeks ago, I used A.I. software to clone my voice. The resulting audio sounded pretty convincing to me, but I wanted to see what others thought.

So I created a test audio file based on the first 12 paragraphs of this article that I wrote . Seven randomly chosen paragraphs were my real voice, while the other five were generated by A.I. I asked members of my family to see if they could tell the difference.

My mother was stumped. “All of the paragraphs sounded like you,” she told me afterward. She thought she had identified telltale signs of the computer-generated audio. But she was wrong more often than she was right, correctly identifying only five out of 12 paragraphs.

Other members of my family had better luck. My wife, sister, brother, and mother-in-law got all 12 paragraphs right. My father went 10 for 12.

When I opened up the experiment to the broader internet (you can try your luck here ), the results weren’t great for my ego.

“The real voices had much more richness and emotional flavor,” one anonymous participant wrote. “The A.I. voices sounded like a mopey person with a cold. At least I hope that’s right and I’m not insulting your actual voice! I’ve never met you in person.”

Unfortunately, this person guessed wrong about every single paragraph: that “mopey person with a cold” was me. Another zero-for-12 listener wrote that the A.I. voice (actually my voice) “lacks variations in timbre and cadence.”

A grad school friend whom I haven’t seen in years guessed wrong 11 out of 12 times. A former employee was wrong 10 out of 12 times.

Overall, people who didn’t know me well barely did better than a coin flip, guessing correctly only 54 percent of the time. Here are the results, with the speakers identified, for you to hear yourself:

So my cloned voice wasn’t perfect, but it was remarkably good. And creating it was surprisingly cheap and easy.

Voice Cloning Has Improved a Lot in Three Years

Back in 2020, researchers at MIT worked with a company called Respeecher to generate a fake video of Richard Nixon announcing the failure of the Apollo 11 Moon landing. A behind-the-scenes video shows the laborious process required to clone Nixon’s voice. The MIT researchers collected hundreds of short clips of Nixon’s voice and then had a voice actor record himself speaking the same words. The actor then read Nixon’s alternate moon landing speech and the software modified his words to sound like Nixon’s.

This process seems to yield excellent results: Last year, Respeecher won a contract to clone the voice of James Earl Jones as Darth Vader in future Star Wars projects. But it comes at a high cost. When I reached out to Respeecher recently to give their service a try, they informed me that “a project usually takes several weeks with fees from 4-digit to 6-digit in $USD.”

I didn’t have thousands of dollars to spend, so I went with a little-known startup called Play.ht instead. All I had to do was upload a 30-minute video of me reading text of my choice, then wait a few hours.

Play.ht is a text-to-speech service, so I didn’t need to hire a voice actor. Once it had been trained on my voice, the software could generate realistic human speech from written text in just a few minutes. Best of all, I didn’t have to pay a dime. I was able to clone my voice using Play.ht’s free plan. Commercial plans start at $39 per month.

Realistic text-to-speech systems like Play.ht are hard to build because human beings pronounce the same word differently depending on the context. We do that depending on what comes before or after a word in a sentence, and we follow complex, and largely subconscious, rules about which words in a sentence to emphasize.

There’s also some totally random variation in how human beings pronounce words. Sometimes we stop and take a breath, pause to think about what we’re saying, or we just get distracted. So any system that always pronounces words or phrases in exactly the same way is going to sound a bit robotic.

A voice-to-voice system like Respeecher doesn’t need to worry about these issues as much because it can follow the lead of the voice actor who supplied the source audio. In a text-to-speech system, in contrast, the A.I. system needs to understand human speech well enough to know how long to pause, which words to emphasize, and so forth.

Play.ht says its system uses a transformer, a type of neural network that was invented at Google in 2017 and has become the foundation of many generative A.I. systems since then. (The T in GPT, OpenAI’s family of large language models, stands for transformer.)

What makes a transformer model powerful is its ability to “pay attention” to multiple parts of its input at the same time. When Play.ht’s model generates the audio for a new word, it isn’t just “thinking about” the current word or the one that came before it, it’s taking into account the structure of the sentence as a whole. This allows it to vary the speed, emphasis, and other characteristics of speech in a way that mirrors the speech patterns of the person whose voice is being cloned.

The Challenge of Text-to-Speech Voice Cloning

Play.ht is designed for creative professionals making podcasts, audiobooks, instructional videos, television ads, and so forth. The startup is actually a bit of an underdog in this market, as they’re competing with a sophisticated audio editing tool called Descript.

The original version of Descript, launched in 2017, automatically generated a transcript from an audio file. You could delete words from the transcript and Descript would automatically delete the corresponding portion of the audio file.

In 2019, Descript acquired a voice-cloning startup called Lyrebird and integrated its technology into Descript. As a result, since 2020 it has also been possible to add words to a transcript and have Descript generate realistic audio of your voice saying those words—a feature Descript calls Overdub. Like Play.ht, Overdub needs to be trained using a lengthy audio sample of the target voice.

To test Overdub out, I created another 12-paragraph audio file using Descript and challenged family and friends to say which paragraphs were my real voice and which were generated by Overdub. This was far from a rigorous scientific experiment, but overall it seemed like the cloned voice generated by Play.ht was a bit more convincing than the one generated by Descript’s Overdub technology. You can compare Overdub’s output to my real voice here:

This may not matter much in practice because the two products are designed for slightly different use cases. Play.ht is optimized for generating long audio files from scratch—for example, a complete audio book. In contrast, Overdub is designed to add short phrases to an existing audio file. It’s much harder to detect a synthetic voice in short audio clips, so I suspect Overdub’s voices are plenty realistic for this application.

And Descript uses its A.I. technology to enhance audio in other ways. A feature called Studio Sound , for example, takes normal audio—perhaps produced using a low-quality microphone in a noisy room—and uses A.I. to make it sound like it was recorded in a studio. It doesn’t just remove background noise, it subtly alters the speaker’s voice so it sounds like it was recorded with a better microphone.

Descript can also help in the opposite direction: If you add a new audio clip to an existing recording, Descript can add subtle background noise to make sure the new clip has the same “room tone” as the surrounding audio.

Tools like this are a boon for independent creative professionals because they eliminate much of the tedious post-production work required to publish high-quality audio content. But they could also be a boon to criminals and other troublemakers.

The Dark Side of Voice Cloning

Last month the Washington Post reported about a Canadian grandmother who was fooled by scammers using voice cloning technology. A man who sounded just like her grandson Brandon called to say he was in jail and needed money.

According to the Post , the woman and her husband “dashed to their bank in Regina, Saskatchewan, and withdrew 3,000 Canadian dollars ($2,207 in U.S. currency), the daily maximum. They hurried to a second branch for more money.”

Luckily, a manager at the second branch warned them that the call had likely been a scam. They didn’t send the money and Brandon turned out to be fine. But scams like this are only going to become more common in the next few years.

Recent months have also seen a proliferation of fake audio of various celebrities—from Joe Biden to Taylor Swift —saying a variety of funny and sometimes offensive things. While most of these clips are harmless, the trend worries Duncan Crabtree-Ireland, the executive director of SAG-AFTRA, a union that represents a broad spectrum of performers, from actors to singers and broadcast journalists. He’s concerned about people using voice cloning to create fake celebrity endorsements, deceiving customers and depriving his members of revenue they are entitled to.

It’s easy to imagine fake audio causing more serious harms. Voice cloning could be used to humiliate celebrities (or non-celebrities for that matter) with fake, sexually explicit audio clips. Political operatives could use fake audio to trick voters in the final days of an election. Imagine someone leaking fake audio of a political candidate saying something embarrassing, or circulating a fake radio or television broadcast on social media.

The leaders of Play.ht and Descript are acutely aware of these dangers. Play.ht CEO Hammad Syed told me that the company has put several safeguards in place, including manual review of training audio and automatic detection of attempts to generate racist or sexually explicit audio.

Descript takes an extra step to make sure users don’t clone someone else’s voice without permission. When someone tries to create a new Overdub voice, the software asks the owner of the voice to read a short statement into the microphone stating that they agree to have their voice cloned. Descript checks to make sure the voice recorded by the microphone matches the voice in the audio file being used for training. This should make it difficult for anyone to use Overdub for impersonation scams or to clone the voice of a celebrity.

Unlike Play.ht, Descript doesn’t restrict the kind of content people can generate with Overdub once a voice has been created.

Many of the celebrity voice-cloning videos released in recent months were made using software from a company called ElevenLabs. Back in January, 4chan users started using ElevenLabs software to produce fake clips of celebrities engaging in hate speech. ElevenLabs responded by removing the voice-cloning feature from its free tier and releasing a tool to help the public identify fake video clips.

You could imagine this technology becoming a subject of government regulation, but none of the people I talked to for this story seemed to think that was a good idea.

“We’re not looking to ban technology or halt forward progress on technology,” SAG-AFTRA’s Crabtree-Ireland told me. “We are instead looking to work with companies developing these technologies to make sure it’s respectful.” He said he’s gotten a “surprisingly positive reaction” when he’s sought to work with technology companies about implementing appropriate safeguards.

Legislation in this area might ultimately prove futile because it’s only a matter of time before voice cloning software is efficient enough to run entirely on a personal computer. Once that happens, it will become very difficult for governments to limit its distribution or use.

So the most important countermeasure against the misuse of voice cloning may be to make sure the public understands that high-quality voice cloning software exists. Most abuses of voice cloning depend on people wrongly assuming that audio is genuine. If the public knows about voice cloning technology, perhaps they’ll be appropriately cautious about believing the evidence they encounter with their own ears.

To revisit this article, visit My Profile, then View saved stories .

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By Benj Edwards, Ars Technica

OpenAI Can Re-Create Human Voices—but Won’t Release the Tech Yet

Voice synthesis has come a long way since 1978’s Speak & Spell toy, which once wowed people with its state-of-the-art ability to read words aloud using an electronic voice. Now, using deep-learning AI models , software can create not only realistic-sounding voices but can also convincingly imitate existing voices using small samples of audio.

Along those lines, OpenAI this week announced Voice Engine, a text-to-speech AI model for creating synthetic voices based on a 15-second segment of recorded audio. It has provided audio samples of the Voice Engine in action on its website .

Once a voice is cloned, a user can input text into the Voice Engine and get an AI-generated voice result. But OpenAI is not ready to widely release its technology. The company initially planned to launch a pilot program for developers to sign up for the Voice Engine API earlier this month. But after more consideration about ethical implications, the company decided to scale back its ambitions for now.

“In line with our approach to AI safety and our voluntary commitments, we are choosing to preview but not widely release this technology at this time,” the company writes. “We hope this preview of Voice Engine both underscores its potential and also motivates the need to bolster societal resilience against the challenges brought by ever more convincing generative models.”

Voice cloning tech in general is not particularly new—there have been several AI voice synthesis models since 2022, and the tech is active in the open source community with packages like OpenVoice and XTTSv2 . But the idea that OpenAI is inching toward letting anyone use its particular brand of voice tech is notable. And in some ways, the company's reticence to release it fully might be the bigger story.

OpenAI says that benefits of its voice technology include providing reading assistance through natural-sounding voices, enabling global reach for creators by translating content while preserving native accents, supporting non-verbal individuals with personalized speech options, and assisting patients in recovering their own voice after speech-impairing conditions.

But it also means that anyone with 15 seconds of someone's recorded voice could effectively clone it, and that has obvious implications for potential misuse. Even if OpenAI never widely releases its Voice Engine, the ability to clone voices has already caused trouble in society through phone scams where someone imitates a loved one's voice and election campaign robocalls featuring cloned voices from politicians like Joe Biden.

Also, researchers and reporters have shown that voice-cloning technology can be used to break into bank accounts that use voice authentication (such as Chase's Voice ID ), which prompted US senator Sherrod Brown of Ohio, the chair of the US Senate Committee on Banking, Housing, and Urban Affairs, to send a letter to the CEOs of several major banks in May 2023 to inquire about the security measures banks are taking to counteract AI-powered risks.

OpenAI recognizes that the tech might cause trouble if broadly released, so it's initially trying to work around those issues with a set of rules. It has been testing the technology with a set of select partner companies since last year. For example, video synthesis company HeyGen has been using the model to translate a speaker's voice into other languages while keeping the same vocal sound.

Andy Greenberg

Charlie Wood

Brian Barrett

To use Voice Engine, each partner must agree to terms of use that prohibit "the impersonation of another individual or organization without consent or legal right." The terms also require that partners acquire informed consent from the people whose voices are being cloned, and they must also clearly disclose that the voices they produce are AI-generated. OpenAI is also baking a watermark into every voice sample that will assist in tracing the origin of any voice generated by its Voice Engine model.

So, as it stands now, OpenAI is showing off its technology, but the company is not yet ready to put itself on the line (yet) for the potential social chaos a broad release might cause. Instead, the company has re-calibrated its marketing approach to appear as if it is warning all of us about this already-existing technology in a responsible way.

"We are taking a cautious and informed approach to a broader release due to the potential for synthetic voice misuse," the company said in a statement. "We hope to start a dialogue on the responsible deployment of synthetic voices and how society can adapt to these new capabilities. Based on these conversations and the results of these small scale tests, we will make a more informed decision about whether and how to deploy this technology at scale."

In line with its mission to cautiously roll out the tech, OpenAI has provided three recommendations for how society should change to accommodate its technology in its blog post . These steps include phasing out voice-based authentication for bank accounts, educating the public in understanding "the possibility of deceptive AI content," and accelerating the development of techniques that can track the origin of audio content, "so it's always clear when you're interacting with a real person or with an AI."

OpenAI also says that future voice-cloning tech should require verifying that the original speaker is "knowingly adding their voice to the service" and creating a list of voices that are forbidden to clone, such as those that are "too similar to prominent figures." That kind of screening tech may end up excluding anyone whose voice might naturally and accidentally sound too close to a celebrity or US president.

Tech Developed in 2022

According to the company, OpenAI developed its Voice Engine technology in late 2022, and many people have already been using a version of the technology with pre-defined (and not cloned) voices in two ways: The spoken conversation mode in the ChatGPT app released in September and OpenAI's text-to-speech API that debuted in November of last year.

With all the voice-cloning competition out there, OpenAI says that Voice Engine is notable for being a “small” AI model (how small, exactly, we do not know). But having been developed in 2022, it almost feels late to the party. And it may not be perfect in its cloning ability. Previous user-trained text-to-voice models like those from ElevenLabs and Microsoft have struggled with accents that fall outside their training dataset.

For now, Voice Engine remains a limited release to select partners.

This story originally appeared on Ars Technica .

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Today, we’re launching Universal-1, our most powerful and accurate multilingual speech-to-text model to date—trained on 12.5M hours of multilingual audio data.

Today, AssemblyAI is launching Universal-1 ,  our most capable and highly trained speech recognition model. Trained on over 12.5 million hours of multilingual audio data, Universal-1 achieves best-in-class speech-to-text accuracy, reduces word error rate and hallucinations, improves timestamp estimation, and helps us continue to raise the bar as the industry-leading Speech AI provider. 

Universal-1 is trained on four major languages: English, Spanish, French, and German, and shows extremely strong speech-to-text accuracy in almost all conditions, including heavy background noise, accented speech, natural conversations, and changes in language, while achieving fast turn-around time and improved timestamp accuracy.

In the last few years we've seen an explosion of audio data available online. This coupled with advances in AI technology have allowed organizations to unlock the value of voice data in ways that were previously impossible. As a result, organizations are building new products, services, and capabilities that serve millions of people around the world. By building on AssemblyAI’s Speech AI models, customers have built products that can summarize video calls with clear notes and action items, automate customer service experiences and help organizations understand the voice of their customers with insights from every customer interaction, and create apps that help teachers guide students more effectively as they learn to read.

With Universal-1 we sought to build on the industry-leading performance of our previous models, and designed this new model guided by the idea that accuracy of every word matters. In conversations with customers, it was clear that there was a need in the industry for a model that focused on the nuances of spoken language across accents, tone, dialect, faithfulness, and more. We hope the new capabilities of Universal-1 will help power the next generation of AI products and features built with voice data.

Accuracy is paramount when deciding which speech-to-text model to implement. AssemblyAI's Automatic Speech Recognition (ASR) model is best-in-class, and we are beneficiaries of the constant improvements they implement, like Universal-1. We provide lead intelligence to over 200,000 small businesses. If the transcriptions are not accurate, then the downstream intelligence our customers depend on will also be subpar — garbage in, garbage out.

Ryan Johnson, Chief Product Officer, CallRail

Universal-1 ASR: Pushing the Boundaries of Speech AI

Universal-1 accomplishes the following improvements: 

Accurate and robust multilingual speech-to-text Universal-1 represents another major milestone in our mission to provide accurate, faithful, and robust speech-to-text capabilities for multiple languages, helping our customers and developers worldwide build various Speech AI applications.

• Universal-1 achieves 10% or greater improvement in English, Spanish, and German speech-to-text accuracy, compared to the next-best commercial speech-to-text system we tested.
• Universal-1 reduces hallucination rate by 30% over a widely used open-source model, Whisper Large-v3, providing users with confidence in the results we deliver.
• Humans prefer the outputs from Universal-1 over Conformer-2, our previous generation model, 71% of the time when they have a preference.
• Universal-1 exhibits the ability to code switch, transcribing multiple languages within a single audio file.

Precise timestamp estimation Word-level timestamps are essential for various downstream applications, such as audio and video editing. In conversation analytics and meeting transcription, accurate timestamps are crucial to enable speaker diarization to align speaker labels with recognized words.

• Word-level timestamps are essential for various downstream applications, such as audio and video editing as well as conversation analytics.
• Universal-1 improves our timestamp accuracy by 13% relative to Conformer-2.
• The improvement in timestamp estimation results in a positive impact on speaker diarization, improving concatenated minimum-permutation word error rate (cpWER) by 14% and speaker count estimation accuracy by 71% compared to Conformer-2.

Efficient parallel inference

• Effective parallelization during inference is crucial to achieve very low turnaround processing time for long audio files.
• Universal-1 achieves a 5x speed-up compared to a fast and batch-enabled implementation of Whisper Large-v3 on the same hardware.

# See it in action

Paul. It's okay. I'm here. I'm here. It's been a while since you've had one of those nightmares. Tell me, what was it about? It's only fragments. Nothing's clear. You've been fighting the Harkonnens for decades. Load. My family's been fighting them for centuries. Your blood comes from dukes and great houses. Here, we're equal. What we do, we do for the benefit of all. Well, I'd very much like to be equal to you. Maybe I'll show you the way. Deal with this prophet. Send assassins. Theodorother, he's psychotic. I see possible futures all at once. And in so many futures, our enemies prevail. But I do see a way. There is a narrow way through. My allegiance is to you. Do you believe me? This is a form of power that our world has not yet seen. The ultimate power. I want you to know I will love you as long as I breathe. You will never lose me as long as you stay who you are. Consider what you're about to do, Paul Atreides. Silence. This prophecy is how they enslave us. Journey. You are not prepared for what is done to come.

Entonces le digo yo a Martínez, Martínez, espérame right here cinco minutes que yo tengo que ir al toilet. Pero hay no idea lo que me iba a encontrar yo en ese toilet. Oye, te mando mamá, you cooking for me the sunny side up cuando tú sabes que a mí me gusta scramble. Emilito. ¿Number one, who told you que esto es para ti? En number dos, lo primero que tú dices en mi cocina es good morning. Ah, good morning, mami. Pues good morning, mamá. Good morning, mija. Así que no estoy en el toilet doing my business cuando escucho una woman screaming from el toilet de Alao. Mamá Sonny, side up for me, please. Sony, side up. Pero ya tú no eres vegetarian. No more lacto. Y aquí podemos ver a mi older sister que todos los días está cambiando el diet pensando que le estaban haciendo daño y boom. I can't believe my eyeball. Mami. El jefe Kissing in the mouth con Missy Martinez. Oh, my God. ¿Oye, quién me ayuda con algo de mi Instagram? I can't figure it out. Dame acá. Abuelita. ¿What is it? ¿Carolina? That's too la baby. Baja volumen, mi amor. Yo sospechaba algo porque ese jefe Eli's grabbing and touching all the girls en la oficina. Emilio, Mrs. Martinez no es ninguna santa, you know. Mamá, tú no puedes estar comiendo tu chorizo every morning. Habías hecho cáncer de colon. Emilio, sé something. ¿What? ¿Cómo que Emilio? ¿Qué falta de respeto es esa? You call me dad. ¿Abuelita, how? ¿Cómo es que tú tienes 100 likes en esta foto? Esa es mi people from bingo. Ay, my salud de colon ideal. So por favor, min, your own business. Carolina de volume. Wow, abuelita, tú eres una rockstar. ¿Can you like my post emily to bless the table? Yo bendije ayer, papá. Den tu lilianita. Thank you for all this comida que tu pones en nuestra family table. Bless the hands que prepararon la comida. Perdónanos por comer dis baby chicken huevos and forgive my papá Emilio for being so gossipy and chismoso. Amén. Amén. No, no, no, no puedo tomar café. No te hagas el sentido. No, no, no.

My name is Angelica Skyler Alexander Hamilton. Where's your family from? Unimportant. There's a million things I haven't. Just you wait. Just you wait. So this is what it feels like to match wit for someone at your level. What the hell is the catch? It's the feeling of freedom. Of seeing the light is Ben Franklin with the key and a kite. You see it, right? The conversation lasted two minutes, maybe three minutes. Everything we said in total agreement. It's the dream and it's a bit of a dance, a bit of a posture. It's a bit of a stance. He's a bit of a flirt. But I'm gonna give it a chance. I asked about his family. Did you see his answer? His hands started fidgeting. He looked askance. He's penniless. He's flying by the seat of his pants. Handsome boy, does he know it. Peach fuzz. Then he can't even grow it. Want to take him far away from this place? Then I turn and see my sister's face. And she is helpless. And I know she is helpless. And her eyes are just helpless. And I realize three fundamental truths at the exact same time.

Universal-1’s training data far exceeds the training data used for most existing speech-to-text models. This training data includes audio from non-native speakers, audio with heavy background noise, conversations involving multiple talkers held in various domains and settings, to better simulate how speech happens in the real world. Universal-1 also builds on our predecessor models, Conformer-1 and Conformer-2, to capture proper nouns and alphanumeric details with high accuracy. 

We’re excited to see the impact that Universal-1 has on applications like:

• Conversational intelligence platforms that are now able to analyze vast amounts of customer data quickly, accurately, and reliably in order to surface critical voice of customer insights and analytics regardless of accent, recording condition, number of speakers, and more.
• AI notetakers that can now generate highly accurate and hallucination-free meeting notes to serve as the basis for LLM-powered summaries, action items, and other metadata generation with accurate proper noun, speaker, and timing information included.
• Creator tool applications that are now able to build AI-powered video editing workflows for their end-users leveraging precise speech-to-text outputs in multiple languages with low error rates and reliable word timing information.
• Telehealth platforms automating clinical note entry and claims submission processes with a high success rate leveraging accurate and faithful speech-to-text outputs, including rare words like prescription names and medical diagnoses, in adversarial and far field recording conditions.

Improving the accuracy of Speech AI across languages

Trained on English, Spanish, German, and French data, Universal-1 is built to support the languages most often used by our customers and their end-users.

Today, Universal-1 is available in English & Spanish, with German and French being made available shortly. We will be adding additional language support within future Universal models over time.

Best & Nano ASR Tiers: More Options to Build with AssemblyAI

Today, we’re also introducing our Best and Nano tiers to give you more options when building with  Speech AI models from AssemblyAI depending on your budget, accuracy needs, and use case. 

At AssemblyAI, we use a combination of models to produce your results. Our Best tier will house our most powerful and accurate models, including Universal-1. This tier is best suited for use cases where accuracy is paramount, and end-users will interact directly with the results generated from our models. 

We are also introducing a Nano tier—a lightweight lower cost speech-to-text option  available in many languages. Nano is best suited for use cases like search and topic detection or for use cases where accuracy is not paramount.

What Comes Next for Universal-1

Universal-1 is available via our API , and you can start building on it today. We’ll continue to improve our Speech AI models over time, so stay tuned for updates as we add new capabilities and languages to Universal-1.

# Frequently Asked Questions

Read our research post here. View all of our research here .

Our Best tier supports 17 languages. Our Nano tier supports 99 languages. As of April 3, 2024, Universal-1 will be supporting English and Spanish requests to our API when selecting Best.

At AssemblyAI, we use a combination of models to produce your results. AssemblyAI’s Best tier is our most robust and accurate offering, housing our most powerful models, and has the broadest range of capabilities. The Best tier is suited for use cases where accuracy and power are paramount. AssemblyAI’s Nano tier is a fast, lightweight offering that gives product and development teams access to Speech AI at an attainable price point across 99 languages. It is best for teams with extensive language needs, and those who are looking for a low-cost Speech AI option.

If you are a current AssemblyAI customer, you do not need to make any changes to your plan to access the Best tier. Our existing customers will default onto Best, with no pricing changes to your account and no action required. If you are a current customer who would like to try out Nano, simply select the Nano tier when building in our API.

Visit our Pricing page.

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Electrical Engineering and Systems Science > Audio and Speech Processing

Title: the x-lance technical report for interspeech 2024 speech processing using discrete speech unit challenge.

Abstract: Discrete speech tokens have been more and more popular in multiple speech processing fields, including automatic speech recognition (ASR), text-to-speech (TTS) and singing voice synthesis (SVS). In this paper, we describe the systems developed by the SJTU X-LANCE group for the TTS (acoustic + vocoder), SVS, and ASR tracks in the Interspeech 2024 Speech Processing Using Discrete Speech Unit Challenge. Notably, we achieved 1st rank on the leaderboard in the TTS track both with the whole training set and only 1h training data, with the highest UTMOS score and lowest bitrate among all submissions.

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