<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Html5网页JavaScript录制MP3音频</title>
<meta charset="utf-8" />
</head>
<body>
<h1>Html5网页JavaScript录制MP3音频</h1>
<button onclick="funStart(this);" id="btnStart" disabled>录制</button>
<button onclick="funStop(this);" id="btnStop" disabled>停止</button>
<button onclick="funUpload(this);" id="btnUpload" disabled>上传</button>
<h4>调试信息：</h4>
<div id="recordingslist"></div>
<script src="js/recordmp3.js"></script>
<script>
var recorder = new MP3Recorder({
debug:true,
funOk: function () {
btnStart.disabled = false;
log('初始化成功');
},
funCancel: function (msg) {
log(msg);
recorder = null;
}
});
var mp3Blob;
function funStart(button) {
btnStart.disabled = true;
btnStop.disabled = false;
btnUpload.disabled = true;
log('录音开始...');
recorder.start();
}
function funStop(button) {
recorder.stop();
btnStart.disabled = false;
btnStop.disabled = true;
btnUpload.disabled = false;
log('录音结束，MP3导出中...');
recorder.getMp3Blob(function (blob) {
log('MP3导出成功');
mp3Blob = blob;
var url = URL.createObjectURL(mp3Blob);
var div = document.createElement('div');
var au = document.createElement('audio');
var hf = document.createElement('a');
au.controls = true;
au.src = url;
hf.href = url;
hf.download = new Date().toISOString() + '.mp3';
hf.innerHTML = hf.download;
div.appendChild(au);
div.appendChild(hf);
recordingslist.appendChild(div);
});
}
function log(str) {
recordingslist.innerHTML += str + '<br/>';
}
function funUpload() {
var fd = new FormData();
var mp3Name = encodeURIComponent('audio_recording_' + new Date().getTime() + '.mp3');
fd.append('mp3Name', mp3Name);
fd.append('file', mp3Blob);
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4 && xhr.status == 200) {
recordingslist.innerHTML += '上传成功：<a href="' + xhr.responseText + '" target="_blank">' + mp3Name + '</a>';
}
};
xhr.open('POST', 'upload.ashx');
xhr.send(fd);
}
</script>
</body>
</html>
Html5网页JavaScript录制MP3音频
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2016-01-06
16:27:17
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收藏 190KB ZIP 举报 
recordMp3.zip （8个子文件） 
recordMp3 
示例.png 40KB upload 
audio_recording_1452067984526.mp3 102KB upload.ashx 88B js recordmp3.js 5KB worker-realtime.js 2KB lame.min.js 153KB upload.ashx.cs 769B
index.html 3KB
评论30
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