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Forked from Eotones/README.md
Created October 9, 2020 04:51
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speechSynthesis強制使用Chrome中的Google小姐中文語音
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tts.js
class tts_zhtw {
constructor(){
console.log("tts constructor");
window.speechSynthesis.cancel(); //強制中斷之前的語音
this.synth = window.speechSynthesis;
this.u = null;
this.u = new SpeechSynthesisUtterance();
if (localStorage.getItem("ls_rate") === null) {
this.u.rate = 1.2; // 語速 0.1~10
}else{
this.u.rate = Number(localStorage.getItem("ls_rate"));
}
if (localStorage.getItem("ls_volume") === null) {
this.u.volume = 0.5; //音量 0~1
}else{
this.u.volume = Number(localStorage.getItem("ls_volume"));
}
if (localStorage.getItem("ls_pitch") === null) {
this.u.pitch = 1; //語調 0.1~2
}else{
this.u.pitch = Number(localStorage.getItem("ls_pitch"));
}
this.u.onend = function(event){
//console.log(event);
console.log("tts.onend");
};
this.u.onerror = function(event){
//console.log(event);
console.log("tts.onerror", event);
this.cancel2();
};
}
speak2(textToSpeak){
//console.log(document.getElementById("ttsCheck").checked == true ? "[語音開啟]" : "[語音關閉]");
this.voices = this.synth.getVoices();
for(let index = 0; index < this.voices.length; index++) {
/*
"Google US English"
"Google 日本語"
"Google 普通话（中国大陆）"
"Google 粤語（香港）"
"Google 國語（臺灣）"
*/
//console.log(this.voices[index].name);
if(this.voices[index].name == "Google 國語（臺灣）"){
//console.log("Y");
//this.u.lang = 'zh-TW';
this.u.voice = this.voices[index];
break;
}else{
//console.log("N");
this.u.lang = 'zh-TW';
}
}
//console.log("test");
this.u.text = this._textFilter(textToSpeak);
this.u.onstart = function(event){
//console.log(event);
console.log("tts.onstart", textToSpeak);
};
if( (this.u.text.length > 0) || (this.u.text != null) ){
this.synth.speak(this.u);
}
return this;
}
cancel2(){
console.log("tts cancel");
window.speechSynthesis.cancel();
}
volume(volume_val){
let volume = Number(volume_val);
if(volume >= 0 && volume <= 1){
tts.u.volume = volume;
localStorage.setItem("ls_volume", volume);
console.log(`音量調整為: ${tts.u.volume}`);
}else{
console.log(`超出範圍`);
}
}
rate(rate_val){
let rate = Number(rate_val);
if(rate >= 0.5 && rate <= 2){
tts.u.rate = rate;
localStorage.setItem("ls_rate", rate);
console.log(`語速調整為: ${tts.u.rate}`);
}else{
console.log(`超出範圍`);
}
}
pitch(pitch_val){
let pitch = Number(pitch_val);
if(pitch >= 0.1 && pitch <= 2){
tts.u.pitch = pitch;
localStorage.setItem("ls_pitch", pitch);
console.log(`語調調整為: ${tts.u.pitch}`);
}else{
console.log(`超出範圍`);
}
}
reset(){
//localStorage.clear();
localStorage.removeItem("ls_volume");
localStorage.removeItem("ls_rate");
localStorage.removeItem("ls_pitch");
}
_textFilter(msg){
msg = msg.replace(/^(1){4,}$/g, "一一一");
msg = msg.replace(/^(2){4,}$/g, "二二二");
msg = msg.replace(/^(3){4,}$/g, "三三三");
msg = msg.replace(/^(4){4,}$/g, "四四四");
msg = msg.replace(/^(5){4,}$/g, "五五五");
msg = msg.replace(/^(6){4,}$/g, "六六六");
msg = msg.replace(/^(7){4,}$/g, "七七七");
msg = msg.replace(/^(8){4,}$/g, "八八八");
msg = msg.replace(/^(9){4,}$/g, "九九九");
msg = msg.replace(/^(w){4,}$/gi, "哇拉");
msg = msg.replace(/^(~){3,}$/g, "~~~");
msg = msg.replace(/^(\.){3,}$/g, "...");
msg = msg.replace(/^484$/gi, "四八四");
msg = msg.replace(/^87$/g, "八七");
msg = msg.replace(/^94$/g, "九四");
msg = msg.replace(/^9487$/g, "九四八七");
//過濾emoji(最多3個,超過就刪除)
msg = msg.replace(/(\ud83d[\ude00-\ude4f]){4,}/g, "");
return msg;
}
}
// example
var tts = new tts_zhtw();
tts.speak2("中文語音測試");
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