--- title: SpeechSynthesisUtterance.voice slug: Web/API/SpeechSynthesisUtterance/voice translation_of: Web/API/SpeechSynthesisUtterance/voice --- <div><trans newtip="{{APIRef("Web语音API")}}{SeeCompattable}" oldtip="{{APIRef("Web Speech API")}}{{SeeCompatTable}}">{{APIRef("Web语音API")}}{SeeCompattable}</trans></div> <p>The <strong><code>voice</code></strong> property of the {{domxref("SpeechSynthesisUtterance")}} interface gets and sets the voice that will be used to speak the utterance.</p> <p>This should be set to one of the {{domxref("SpeechSynthesisVoice")}} objects returned by {{domxref("SpeechSynthesis.getVoices()")}}. If not set by the time the utterance is spoken, the voice used will be the most suitable default voice available for the utterance's {{domxref("SpeechSynthesisUtterance.lang","lang")}} setting.</p> <h2 id="Syntax">Syntax</h2> <pre class="syntaxbox notranslate">var myVoice = speechSynthesisUtteranceInstance.voice; speechSynthesisUtteranceInstance.voice = speechSynthesisVoiceInstance; </pre> <h3 id="Value">Value</h3> <p>A {{domxref("SpeechSynthesisVoice")}} object.</p> <h2 id="Examples">Examples</h2> <pre class="brush: js notranslate"><code class="language-js"><span class="keyword token">var</span> synth <span class="operator token">=</span> window<span class="punctuation token">.</span>speechSynthesis<span class="punctuation token">;</span> <span class="keyword token">var</span> inputForm <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">querySelector</span><span class="punctuation token">(</span><span class="string token">'form'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="keyword token">var</span> inputTxt <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">querySelector</span><span class="punctuation token">(</span><span class="string token">'input'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="keyword token">var</span> voiceSelect <span class="operator token">=</span> document<span class="punctuation token">.</span><span class="function token">querySelector</span><span class="punctuation token">(</span><span class="string token">'select'</span><span class="punctuation token">)</span><span class="punctuation token">;</span> <span class="keyword token">var</span> voices <span class="operator token">=</span> synth<span class="punctuation token">.</span><span class="function token">getVoices</span><span class="punctuation token">(</span><span class="punctuation token">)</span><span class="punctuation token">;</span></code> ... 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(); }</pre> <h2 id="Specifications">Specifications</h2> <table class="standard-table"> <tbody> <tr> <th scope="col">Specification</th> <th scope="col">Status</th> <th scope="col">Comment</th> </tr> <tr> <td>{{SpecName('Web Speech API', '#dom-speechsynthesisutterance-voice', 'voice')}}</td> <td>{{Spec2('Web Speech API')}}</td> <td></td> </tr> </tbody> </table> <h2 id="Browser_compatibility">Browser compatibility</h2> <div> <p>{{Compat("api.SpeechSynthesisUtterance.voice")}}</p> </div> <h2 id="See_also">See also</h2> <ul> <li><a href="/en-US/docs/Web/API/Web_Speech_API">Web Speech API</a></li> </ul>