参考
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W3C , https://dvcs.w3.org/hg/speech-api/raw-file/tip/speechapi.html
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41ZONE , http://blog.41zone.cc/20140215/168/
分类
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为语音转换为文本提供可能,Speech Recognition;
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将文本输出为语音提供可能,Speech Synthesis;
基本说明
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目前Chrome新版本浏览器支持该方案;
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经过测试FF、Opera、IE、Safari没有对此进行支持;
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该协议由Speech API Community Group维护;
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当前规范不属于正式规范,但是以后以此作为参考方案;
要点说明
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对于将语音与文本相互转换的技术是需要通过网络数据来实现的,也就是说,该API必须在网络条件下才能运行
Speech Recognition
Demo可以参考:41ZONE测试代码
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var SpeechRecognition = window.SpeechRecognition ||
window.mozSpeechRecognition ||
window.webkitSpeechRecognition ||
window.msSpeechRecognition ||
window.oSpeechRecognition;
if (!SpeechRecognition) return ;
var speechRecognition = new SpeechRecognition();
speechRecognition.addEventListener( "result" , function (event) {
var results = event.results;
if (results.length > 0 ) {
for ( var i = 0 ;i<results.length;i++) {
console.log(results[i][ 0 ].transcript);
}
}
}, false );
speechRecognition.continuous = true ; speechRecognition.start();
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Speech Synthesis
注意:当前没有浏览器对此接口方案支持
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var ssu = new SpeechSynthesisUtterance();
ssu.text = 'Hello World' ;
ssu.lang = 'en-US' ;
ssu.rate = 1.2 ;
ssu.addEventListener( "end" , function (event) { console.log( "finished" ); }, false );
var su = new SpeechSynthesis();
su.speak(ssu); |
本文转自 sundunjam 51CTO博客,原文链接:http://blog.51cto.com/sunspot/1360016,如需转载请自行联系原作者