SpeechSynthesisUtterance.SpeechSynthesisUtterance()

The SpeechSynthesisUtterance() constructor of the SpeechSynthesisUtterance interface returns a new SpeechSynthesisUtterance object instance.

SyntaxEdit

var utterThis = new SpeechSynthesisUtterance(text);

Parameters

text

A DOMString containing the text that will be synthesised when the utterance is spoken..

ExamplesEdit

The following snippet is excerpted from our Speech synthesiser demo.

var synth = window.speechSynthesis;

var inputForm = document.querySelector('form');
var inputTxt = document.querySelector('input');
var voiceSelect = document.querySelector('select');

var voices = synth.getVoices();

  ...

inputForm.onsubmit = function(event) {
  event.preventDefault();

  var utterThis = new SpeechSynthesisUtterance(inputTxt.value);
  var selectedOption = voiceSelect.selectedOptions[0].getAttribute('data-name');
  for(i = 0; i < voices.length ; i++) {
    if(voices[i].name === selectedOption) {
      utterThis.voice = voices[i];
    }
  }
  synth.speak(utterThis);
  inputTxt.blur();
}

SpecificationsEdit

Browser compatibilityEdit

• [1] Can be enabled via the media.webspeech.synth.enabled flag in about:config.

See alsoEdit

• Web Speech API