var msg = new SpeechSynthesisUtterance('Hello World'); window.speechSynthesis.speak(msg); 试试看!(译注:原文这里有个按钮给读者试) 当然,声音的大小、音频、音高和音色甚至语种都可以使用参数来控制: var msg = new SpeechSynthesisUtterance(); var voices = window.speechSynthesis.getVoices(); msg.voic...
(i=0;i<voices.length;i++){if(voices[i].name===selectedOption){utterThis.voice=voices[i];}}utterThis.pitch=pitch.value;utterThis.rate=rate.value;synth.speak(utterThis);utterThis.onpause=function(event){varchar=event.utterance.text.charAt(event.charIndex);console.log('Speech paused at ...
对,就是异步的。 根据W3C 对于 Web Speech API 的规范(传送门:(https://dvcs.w3.org/hg/speech...),语音列表是异步加载的(因为依赖于网络服务端合成),加载完毕后会触发voiceschanged事件。 voiceschanged: Fired when the contents of the SpeechSynthesisVoiceList, that the getVoices method will return, hav...
log(voices); }; populateVoiceList(); 原因如下: 因为Firefox不支持SpeechSynthesis.onvoiceschanged ,所以很常规地只是返回语音对象列表当SpeechSynthesis.getVoices() 被触发。但是 Chrome 就有点不同了,在SpeechSynthesis.getVoices() 被触发时,先要等待事件触发(有点绕~按照下面代码,populateVoiceList 函数在...
I'm developing an application using the Web Speech API for speech synthesis. According to the API specification SpeechSynthesis.getVoices() should retrieve the voices available on the system.On my iPad Pro, 12,9 inch, 3rd generation, iOS 16 however this doesn't return all voices installed on...
('data-lang', voices[i].lang); option.setAttribute('data-name', voices[i].name); voiceSelect.appendChild(option); } } populateVoiceList(); if (speechSynthesis.onvoiceschanged !== undefined) { speechSynthesis.onvoiceschanged = populateVoiceList; } inputForm.onsubmit = function(event) { ...
keywords: SpeechSynthesis, SpeechSynthesisUtterance, SpeechSynthesisVoice, Web Speech API, onvoiceschanged Speech synthesis Speech synthesis(语音合成,也被称作是文本转为语音,英语简写是 TTS)包括接收 app 中需要语音合成的文本,再在设备扬声器或音频输出连接中播放出来这两个过程。
To make things worse, these voices and regions are all localized with the system locale. Among other things, this means that even languages and regions which require a voice pack to be installed will show up in the list returned by the Web Speech API (related issue). If the user selects...
var amIDefault = speechSynthesisVoiceInstance.default; Value ABoolean. Examples for(i = 0; i < voices.length ; i++) { var option = document.createElement('option'); option.textContent = voices[i].name + ' (' + voices[i].lang + ')'; if(voices[i].default) { option.textContent +...
Thevoiceschangedevent come shortly after you created the ponyfill. You will need to wait until the event arrived before able to choose a voice for your utterance. Install from NPM For production build, runnpm install web-speech-cognitive-services. ...