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HTML人工合成声音

发表于 | 分类于 | 热度 ℃  |  
字数统计 265 字 | 阅读时长 2 分钟

问答系统中可以使用的人工合成声音。

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<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
</head>
<body>
	<div class="voiceinator">
	  <select name="voice" id="voices">
	    <option value="">Select A Voice</option>
	  </select>
	  
	  <label for="rate">Rate:</label>
	  <input name="rate" type="range" min="0" max="3" value="1" step="0.1">
	  
	  <label for="pitch">Pitch:</label>
	  <input name="pitch" type="range" min="0" max="2" step="0.1">
	  
	  <textarea name="text">我起了 一枪秒了 有什么好说的</textarea>
	  
	  <button id="stop">Stop</button>
	  <button id="speak">Speak</button>
	</div>
	<script type="text/javascript">
		const synth = window.speechSynthesis
		const msg = new SpeechSynthesisUtterance()
		let voices = []
		const voicesDropdown = document.querySelector('[name="voice"]')
		const options = document.querySelectorAll('[type="range"], [name="text"]')
		const speakButton = document.querySelector('#speak')
		const stopButton = document.querySelector('#stop')
		msg.text = '我起了 一枪秒了 有什么好说的'
		msg.lang = 'zh-CN'
		synth.addEventListener('voiceschanged',getSupportVoices)
		speakButton.addEventListener('click',throttle(handleSpeak,1000))
		stopButton.addEventListener('click',handleStop)
		options.forEach(e => e.addEventListener('change',handleChange))
		function getSupportVoices() {
			voices = synth.getVoices()
			voices.forEach(e => {
		  		const option = document.createElement('option')
		  		option.value = e.lang
		  		option.text = e.name
		  		voicesDropdown.appendChild(option)
			 })
		}
		function handleSpeak(e) {
			msg.lang = voicesDropdown.selectedOptions[0].value
			synth.speak(msg)
		}
		function handleStop(e) {
			synth.cancel(msg)
		}
		function handleChange(e) {
			msg[this.name] = this.value
		}
		function throttle(fn,delay) {
			let last = 0
			return function() {
		  		const now = new Date()
		  		if(now - last > delay) {
		    		fn.apply(this,arguments)
		    		last = now
		  		}
			}
		}
	</script>
</body>
</html>
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