AudioBufferSourceNode.start() 不起作用，或者至少激活但不产生任何声音，我做错了什么吗？

Question

my goal is to play a sound when a specific key is pressed (me saying the letter on the key pressed), but without html audio tag, with audioBuffers from web-Audio API.
Execpt here, the audioBufferSourceNode created as an item of arraySources, doesn t display any sound when the function .start() is used on it. Dont know whyy

UPDATE : SOLVED arraySources[count].connect(AudCtx.destination) was missing .. !

var myHeader = new Headers({
    'accept':'audio/mpeg',
    'cache-controle':'private',
});

var myInit = {  method: 'GET',
                headers: myHeader,
                mode: 'cors',
                cache:'default' };

var AudCtx = new AudioContext();
arrayRes=[];
arrayBuffers=[];
arraySources=[];

for (var i=0;i<26;i++){
    fetch('./audio/abc'+(i+1)+'.mp3',myInit).then(function(response){
        arrayRes.push(response);
        console.log(response);
        return response;
    })
    .then(function(response){
        return response.arrayBuffer();
    })
    .then(function(buffer){
        console.log(buffer);
        return AudCtx.decodeAudioData(buffer);
    })
    .then(function(decodedData){
        arrayBuffers.push(decodedData);
        console.log(decodedData);
    })
}

var count = 0; 
window.addEventListener("keydown",function(e){
    var keycode = e.keyCode;
    var posiArray = e.keyCode-65;
    if (keycode>=65 && keycode<=91){
        console.log("keycode = "+keycode+" & posiArray = "+posiArray);
        console.log("count = "+count);
        arraySources[count] = AudCtx.createBufferSource();
        arraySources[count].buffer = arrayBuffers[posiArray];
        count++;
    }
})

window.addEventListener("click",function(){
    arraySources[count-1].start(0);
})

<!DOCTYPE html>
<html>
    <head>
        <title>web audio test</title>
        <meta charset="UTF-8">
    </head>
    <body>

        <script src="script.js"></script>
    </body>
</html>

Answer 1

请看看这个答案，它应该能达到您想要达到的目的：

How to make a Web Audio element sound instantly when pressed on mobile?

AudioBufferSourceNode.start() 不起作用，或者至少激活但不产生任何声音，我做错了什么吗？

AudioBufferSourceNode.start() doesn't work, or at least activate but doesn t produce any sound, am i doing something wrong?

javascript

audio

buffer

web-audio-api

audiobuffer