How to implement text-to-speech in vue
Vue implements text-to-speech method: 1. Create a SpeechSynthesisUtterance object; 2. Implement browser judgment through "isIe(){...}" method; 3. According to the ie usage method, the code Such as "if(this.isIe()){let voiceObj = new ActiveXObject("Sapi.SpVoice")voiceObj.Rate = ...)".
The operating environment of this tutorial: windows7 system, vue3, Dell G3 computer.
How does vue implement text-to-speech?
Detailed explanation of the text-to-speech function in vue
Currently, h5 has added a new text-to-speech function (but it is being improved and is barely usable), h5's new SpeechSynthesisUtterance instance
First create a new SpeechSynthesisUtterance object
Use some attributes of the instance object, including:
text – the text content to be synthesized, a string.
lang – the language used, string, for example: "zh-cn"
voiceURI – specifies the voice and service you want to use, String.
volume – The volume of the sound, ranging from 0 to 1, the default is 1.
rate – speaking rate, numerical value, the default value is 1, the range is 0.1 to 10, indicating a multiple of the speaking speed, for example, 2 represents twice the normal speaking speed.
pitch – Indicates the pitch of speech, numerical value, ranging from 0 (minimum) to 2 (maximum). The default value is 1.
Method
speak() Add the corresponding instance to the voice queue
cancel() Delete all the voices in the queue. If it is playing, stop it directly
pause() Pause the voice
resume() Resumes the paused voice
getVoices Gets the supported language array. Note: It must be added to the voiceschanged event to take effect
But This method does not support the old version of IE. You need to add the browser judgment method
isIe(){
if(!!window.ActiveXObject || "ActiveXObject " in window){
return true
}else{
return false
}
},and then follow the IE usage method
voice(e){
window.speechSynthesis.cancel()
let timer
timer = setInterval(() => {
let msg = e
if(this.isIe()){
let voiceObj = new ActiveXObject("Sapi.SpVoice")
voiceObj.Rate = -1 // 语速
voiceObj.Volume = 50 // 音量
voiceObj.Speak(msg,1)
}else{
let speakMsg = new
SpeechSynthesisUtterance(msg)
speakMsg.rate = 1 // 语速
speakMsg.pitch = 3 // 音量
window.speechSynthesis.speak(speakMsg)
}
}, 1000)
setTimeout(() => {
// 一段时间后清除定时器
clearInterval(timer)
}, 1000)
},. Recommended learning: "vue.js video tutorial"
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