Using Google Text-To-Speech in Javascript

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I need to play Google text-to-speech in JavaScript. The idea is to use the web service:

And play it on a certian action, e.g. a button click.

But it seems that it is not like loading a normal wav/mp3 file:

<audio id="audiotag1" src="audio/example.wav" preload="auto"></audio>

<script type="text/javascript">
    function play() {

How can I do this?

Another option now may be HTML5 text to speech, which is in Chrome 33+ and many others.

Here is a sample:

var msg = new SpeechSynthesisUtterance('Hello World');

With this, perhaps you do not need to use a web service at all.

NOTE: Playbackwill only work when running the script locally as Google's server only returns audio if you can prevent the browser from sending the Referrer HTTP​  SpeechSynthesis API — SpeechSynthesis API is the API that performs text to speech service in the browser. This is exposed through window.speechSynthesis SpeechSynthesis API

Here is the code snippet I found:

var audio = new Audio();
audio.src ='';;

Text to speech can be achieved in Javascript using SpeechSynthesis This means that you don't need external plugins or APIs to convert text to speech ! no need to wait textToSpeech() } function textToSpeech() { // get all  Easy JavaScript text-to-speech with google translate November 17, 2014 HTML5, JavaScript, Other Edit Post Turns out you can use this query string to dynamically create an audio element.

You can use the SpeechSynthesisUtterance with a function like say:

function say(m) {
  var msg = new SpeechSynthesisUtterance();
  var voices = window.speechSynthesis.getVoices();
  msg.voice = voices[10];
  msg.voiceURI = "native";
  msg.volume = 1;
  msg.rate = 1;
  msg.pitch = 0.8;
  msg.text = m;
  msg.lang = 'en-US';

Then you only need to call say(msg) when using it.

Update: Look at Google's Developer Blog that is about Voice Driven Web Apps Introduction to the Web Speech API.

engine, as well as one from your device manufacturer if any. Text to Speech. Speech Synthesys is actually very easy. The API is accessible through the speechSynthesis object and there are a couple of methods for playing, pausing and other audio related stuff. It also has a couple of cool options that change the pitch, rate, and even the voice of the reader.

Very easy with responsive voice. Just include the js and voila!

<script src=''></script>

<input onclick="responsiveVoice.speak('This is the text you want to speak');" type='button' value='🔊 Play' />

It could be an app with text-to-speech functionality, like reading your text messages It could also be an app with voice recognition functionality like Siri or Google Assistant. A SpeechRecognition object can be created using the constructor. Create a new server.js file and add the following content to it:. Speech to Text Conversion Using JavaScript. April 12, 2019. 5. 4895. Speech recognition is a feature that gives us the ability to perform tasks using our spoken words as input. Speech recognition is gradually becoming a part of our lives in the form of voice assistants such as Alexa, Google Assistant, and Siri.

Run this code it will take input as audio(microphone) and convert into the text than audio play.

<!doctype HTML>
<title>MY Echo</title>
<script src=""></script>
<link rel="stylesheet" type="text/css" href="" />
<style type="text/css">
    body {
        font-family: verdana;

    #result {
        height: 100px;
        border: 1px solid #ccc;
        padding: 10px;
        box-shadow: 0 0 10px 0 #bbb;
        margin-bottom: 30px;
        font-size: 14px;
        line-height: 25px;

    button {
        font-size: 20px;
        position: relative;
        left: 50%;

Speech to text converter in JS var r = document.getElementById('result');

    function startConverting() {
        if ('webkitSpeechRecognition' in window) {
            var speechRecognizer = new webkitSpeechRecognition();
            speechRecognizer.continuous = true;
            speechRecognizer.interimResults = true;
            speechRecognizer.lang = 'en-IN';
            var finalTranscripts = '';
            speechRecognizer.onresult = function(event) {
                var interimTranscripts = '';
                for (var i = event.resultIndex; i < event.results.length; i++) {
                    var transcript = event.results[i][0].transcript;
                    transcript.replace("\n", "<br>");
                    if (event.results[i].isFinal) {
                        finalTranscripts += transcript;
                        var speechresult = finalTranscripts;
                        if (speechresult) {
                            responsiveVoice.speak(speechresult, "UK English Female", {
                                pitch: 1
                            }, {
                                rate: 1
                    } else {
                        interimTranscripts += transcript;
                r.innerHTML = finalTranscripts + '<span style="color:#999">' + interimTranscripts + '</span>';
            speechRecognizer.onerror = function(event) {};
        } else {
            r.innerHTML = 'Your browser is not supported. If google chrome, please upgrade!';


JavaScript Text to speech with Google Translate API. Building an Alexa Skill in 20 Duration: 6:18 Posted: Nov 17, 2014 Using Google Cloud's Text To Speech Machine Learning API. April 14, 2018. Google Cloud. I’m torn most of the time about using Google Cloud APIs - on one hand, they are a group of some of the best APIs on the web today - the variety of what you can do with their APIs, whether it be maps, text to speech, search data, and more - is huge.

The 47 languages you are talking about here, are just available on Google Chrome. Firefox and Duration: 8:51 Posted: Feb 4, 2018 Node.js client for Google Cloud Speech: Speech to text conversion powered by machine learning. - googleapis/nodejs-speech

js The JavaScript file is used to convert the text file into voice. filter_none. edit close. play_arrow. link brightness_4 code  Text to Voice conversion using Web Speech API of Google Chrome Creating a web app that converts text to speech incorporated to it sounds pretty cool, and if all these facilities are available without the interference of any third party library then it is even more easy to implement.

JavaScript. Let's look at the JavaScript in a bit more detail. Chrome support. As mentioned earlier, Chrome currently supports speech recognition  Use C# to call the Text-to-Speech API. See the included README files for information on how to install the Client Libraries for Go and run the samples. Use Go to call the Text-to-Speech API. See the included README files for information on how to install the Client Libraries for Go and run the samples. Use Java to call the Text-to-Speech API.

  • The great thing about the HTML5 Speech Synthesis is that you can adjust the voice pitch, fluctuation, etc
  • Supported by Safari, IE?
  • You should add properties such as pitch, rate, speed, and etc.
  • @Rejaul Works in Chrome 76
  • works like a charm on firefox..!!
  • It seems that if you remove the 'dot' at the end it works fine, otherwise it's not playing the sound.
  • Keep in mind that Google Translate has a limit of ~100 letters.
  • It seems that Google will ban requests with a Referrer in the HTTP header. Is there a way to bypass that issue?
  • @jichi Take a look on this answer and comments to this answer.
  • As of today this doesn't seem to be working any more; I get 302 and then 403.
  • are you the same user as the JudahRR who wrote say.js? If so, you should disclose that affiliation. Also, probably no need to consume an external library for a 10 line function that just consumes the browser's native API anyway and doesn't need all of the default settings.
  • Important note here: Although this has interesting immediate results, it is using their API via to generate voices and send them back as rendered audio. Their service is however not free for non commercial projects.