Html5网页纯JavaScript录制MP3音频
<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>
Html5网页JavaScript录制MP3音频
录制
停止
上传
调试信息：
[removed][removed]
[removed]
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[removed] = hf.download;
div.appendChild(au);
div.appendChild(hf);
recordingslist.appendChild(div);
});
}
function log(str) {
recordingslist[removed] += str + '';
}
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[removed] += '上传成功：' + mp3Name + '';
}
};
xhr.open('POST', 'upload.ashx');
xhr.send(fd);
}
[removed]
</body>
</html>
[javascript] view plain copy
在CODE上查看代码片派生到我的代码片
(function (exports) {
var MP3Recorder = function (config) {
var recorder = this;
config = config || {};
config.sampleRate = config.sampleRate || 44100;
config.bitRate = config.bitRate || 128;
navigator.getUserMedia = navigator.getUserMedia ||
navigator.webkitGetUserMedia ||
navigator.mozGetUserMedia ||
navigator.msGetUserMedia;
if (navigator.getUserMedia) {
navigator.getUserMedia({
audio: true
},
function (stream) {
var context = new AudioContext(),
microphone = context.createMediaStreamSource(stream),
processor = context.createScriptProcessor(16384, 1, 1),//bufferSize大小，输入channel数，输出channel数
mp3ReceiveSuccess, currentErrorCallback;
config.sampleRate = context.sampleRate;
processor.onaudioprocess = function (event) {
//边录音边转换
var array = event.inputBuffer.getChannelData(0);
realTimeWorker.postMessage({ cmd: 'encode', buf: array });
};
var realTimeWorker = new Worker('js/worker-realtime.js');
realTimeWorker.onmessage = function (e) {
switch (e.data.cmd) {
case 'init':
log('初始化成功');
if (config.funOk) {
config.funOk();
}
break;
case 'end':
log('MP3大小：', e.data.buf.length);
if (mp3ReceiveSuccess) {
mp3ReceiveSuccess(new Blob(e.data.buf, { type: 'audio/mp3' }));
}
break;
case 'error':
log('错误信息：' + e.data.error);
if (currentErrorCallback) {
currentErrorCallback(e.data.error);
}
break;
default:
log('未知信息：', e.data);
}
};
recorder.getMp3Blob = function (onSuccess, onError) {
currentErrorCallback = onError;
mp3ReceiveSuccess = onSuccess;
realTimeWorker.postMessage({ cmd: 'finish' });
};
recorder.start = function () {
if (processor && microphone) {
microphone.connect(processor);
processor.connect(context.destination);
log('开始录音');
}
}
recorder.stop = function () {
if (processor && microphone) {
microphone.disconnect();
processor.disconnect();
log('录音结束');
}
}
realTimeWorker.postMessage({
cmd: 'init',
config: {
sampleRate: config.sampleRate,
bitRate: config.bitRate
}
});
},
function (error) {
var msg;
switch (error.code || error.name) {
case 'PERMISSION_DENIED':
case 'PermissionDeniedError':
msg = '用户拒绝访问麦客风';
break;
case 'NOT_SUPPORTED_ERROR':
case 'NotSupportedError':
msg = '浏览器不支持麦客风';
break;
case 'MANDATORY_UNSATISFIED_ERROR':
case 'MandatoryUnsatisfiedError':
msg = '找不到麦客风设备';
break;
default:
msg = '无法打开麦克风，异常信息:' + (error.code || error.name);
break;
}
if (config.funCancel) {
config.funCancel(msg);
}
});
} else {
if (config.funCancel) {
config.funCancel('当前浏览器不支持录音功能');
}
}
function log(str) {
if (config.debug) {
console.log(str);
}
}
}
exports.MP3Recorder = MP3Recorder;
})(window);
2021-12-12 20:45:36
59KB
1
Android AudioRecorder录制mp3文件(已经完整封装好，直接调用)
源码包中有2个类
AudioRecorder2Mp3Util 负责录音和转换
MainActivity 用户的操作界面
注意用的时候需要加上权限
2021-03-02 21:41:56
1.56MB
1
Since Chrome version 47, Voice Recording works only on HTTPS sites
目前基于webikit(谷歌之类的webikit)和Gecko(Firefox 52~57)都可以(不支持苹果移动设备)，测试地址 https://sms.reyo.cn/ 用户名:aa 密码：123456
2019-12-21 21:00:05
191KB
1