我有问题,请帮助我, 我有一个没有界面的录音页面,但是我不知道录制了哪个音轨, 是否有办法知道录制声音的轨迹? 我只想让音轨播放音轨
<!DOCTYPE html>
<html>
<head>
<title></title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script type="text/javascript" charset="utf-8" src="cordova.js"></script>
<script type="text/javascript" charset="utf-8">
// Wait for Cordova to load
document.addEventListener("deviceready", onDeviceReady, false);
// PhoneGap is ready
//
function onDeviceReady() {
recordAudio();
}
// Record audio
//
function recordAudio() {
var srcd = "myrecording" + Math.random() + ".wav";
var mediaRec = new Media(srcd, onSuccess, onError);
// Record audio
mediaRec.startRecord();
// Stop recording after 10 sec
var recTime = 0;
var recInterval = setInterval(function () {
recTime = recTime + 1;
setAudioPosition(recTime + " sec");
if (recTime >= 10) {
clearInterval(recInterval);
mediaRec.stopRecord();
}
}, 1000);
}
function onSuccess() {
alert('Uploaded Successfully');
}
// onError Callback
//
function onError(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n');
}
// Set audio position
//
function setAudioPosition(position) {
document.getElementById('audio_position').innerHTML = position;
}
</script>
</head>
<body>
<button onclick="recordAudio()">Record Audio</button>
<p id="media">Recording audio...</p>
<p id="audio_position"></p>
<br>
</body>
</html>