html代码：
<!DOCTYPE html><html> <head> <meta http-equiv=Jenis Konten content=teks/html; charset=utf-8 /> <title>火星黑洞</title> </head> <body> <div> <audio autoplay></audio> <input onclick=startRecording() type=button value=录音 /> < masukan onclick=stopRecording() type=button value=停止 /> <input onclick=playRecording() type=button value=播放 /> <input onclick=uploadAudio() type=button value=提交 /> <br /> <div id=recordingslist></div> </div> <script type=text/javascript src=js/HZRecorder .js></script> <script> perekam var; var audio = dokumen.querySelector('audio'); function startRecording() { HZRecorder.get(function(rec) { recorder = rec; recorder.start(); }, { sampleBits: 16, sampleRate: 16000 }); } fungsi stopRecording() { perekam.stop(); var gumpalan = perekam.getBlob(); var url = URL.createObjectURL(gumpalan); var div = dokumen.createElement('div'); var au = dokumen.createElement('audio'); var hf = dokumen.createElement('a'); au.kontrol = benar; au.src = url; hf.href = url; hf.download = Tanggal baru().toISOString() + '.wav'; hf.innerHTML = hf.download; div.appendChild(au); div.appendChild(hf); daftar rekaman.appendChild(div); } fungsi playRecording() { recorder.play(audio); } function uploadAudio() { recorder.upload(Handler1.ashx, function(state, e) { switch(state) { case 'uploading': //var persenComplete = Math.round(e.loaded * 100 / e.total) + '%'; kerusakan; huruf 'ok': //alert(e.target.responseText); peringatan(上传成功); alert(上传失败); break; kasus 'batal': alert(上传被取消); } </skrip> </tubuh></html>HZRecorder.js
(fungsi (jendela) { //兼容 window.URL = window.URL || window.webkitURL; navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia; var HZRecorder = fungsi ( aliran, konfigurasi) { config = konfigurasi ||{}; config.sampleBits ||.8 //采样数位 8, 16 config.sampleRate = config.sampleRate || (44100 / 6); //采样率(1/6 44100) var konteks = baru (window.webkitAudioContext || jendela. Konteks Audio)(); var audioInput = konteks.createMediaStreamSource(stream); var createScript = konteks.createScriptProcessor ||. konteks.createJavaScriptNode; var recorder = createScript.apply(konteks, [4096, 1, 1]); /录音文件长度 , penyangga: [] //录音缓存 , inputSampleRate: konteks.sampleRate //输入采样率 , inputSampleBits: 16 //输入采样数位 8, 16 , outputSampleRate: config.sampleRate //输出采样率 , oututSampleBits: config.sampleBits //输出采样数位 8, 16 , input: function (data) { this.buffer.push(new Float32Array(data)); this.size += data.panjang; } , kompres: function () { //合并压缩 //合并 var data = new Float32Array(this.size); var offset = 0; for (var i = 0; i < this.buffer.length; i++) { data.set(this.buffer[i], offset); offset += ini.buffer[i].panjang; } //压缩 kompresi var = parseInt(this.inputSampleRate / this.outputSampleRate); var length = data.length / kompresi; var hasil = new Float32Array(panjang); indeks var = 0, j = 0; while (indeks < panjang) { hasil[indeks] = data[j]; j += kompresi; indeks++; } mengembalikan hasil; } , encodeWAV: function () { var sampleRate = Math.min(this.inputSampleRate, this.outputSampleRate); var sampleBits = Math.min(ini.inputSampleBits, ini.oututSampleBits); var byte = ini.kompres(); var dataLength = byte.length * (sampleBits / 8); var buffer = new ArrayBuffer(44 + dataLength); var data = DataView baru(buffer); var channelCount = 1;//单声道 var offset = 0; var writeString = function (str) { for (var i = 0; i < str.length; i++) { data.setUint8(offset + i, str.charCodeAt(i)); } } // 资源交换文件标识符 writeString('RIFF'); offset += 4; // 下个地址开始到文件尾总字节数,即文件大小-8 data.setUint32(offset, 36 + dataLength, true); offset += 4; // WAV文件标志 writeString('WAVE'); offset += 4; // 波形格式标志 writeString('fmt '); offset += 4; // 过滤字节,一般为 0x10 = 16 data.setUint32(offset, 16, true); offset += 4; // 格式类别 (PCM形式采样数据) data.setUint16(offset, 1, true); mengimbangi += 2; // 通道数 data.setUint16(offset, channelCount, true); mengimbangi += 2; // 采样率,每秒样本数,表示每个通道的播放速度 data.setUint32(offset, sampleRate, true); offset += 4; // 波形数据传输率 (每秒平均字节数) 单声道×每秒数据位数×每样本数据位/8 data.setUint32(offset, channelCount * sampleRate * (sampleBits / 8), benar); offset += 4; // 快数据调整数 采样一次占用字节数 单声道×每样本的数据位数/8 data.setUint16(offset, channelCount * (sampleBits / 8), true); mengimbangi += 2; // 每样本数据位数 data.setUint16(offset, sampleBits, true); mengimbangi += 2; // 数据标识符 writeString('data'); offset += 4; // 采样数据总数,即数据总大小-44 data.setUint32(offset, dataLength, true); offset += 4; // 写入采样数据 if (sampleBits === 8) { for (var i = 0; i < bytes.length; i++, offset++) { var s = Math.max(-1, Math.min(1, bytes) [Saya])); var val = s < 0 ? s*0x8000 :s*0x7FFF; val = parseInt(255 / (65535 / (val + 32768))); data.setInt8(offset, val, benar); } } else { for (var i = 0; i < bytes.length; i++, offset += 2) { var s = Math.max(-1, Math.min(1, bytes[i])); data.setInt16(offset, s < 0 ? s * 0x8000 : s * 0x7FFF, benar); } } kembalikan Blob baru([data], { ketik: 'audio/wav' }); } }; //开始录音 this.start = function () { audioInput.connect(perekam); perekam.koneksi(konteks.tujuan); } //停止 this.stop = function () { recorder.disconnect(); } //获取音频文件 this.getBlob = function () { this.stop(); kembali audioData.encodeWAV(); } //回放 this.play = function (audio) { audio.src = window.URL.createObjectURL(this.getBlob()); } //上传 this.upload = function (url, callback) { var fd = new FormData(); fd.append(audioData, this.getBlob()); var xhr = XMLHttpRequest baru(); if (panggilan balik) { xhr.upload.addEventListener(kemajuan, fungsi (e) { panggilan balik('mengunggah', e); }, false); xhr.addEventListener(beban, fungsi (e) { callback('ok', e); }, false); xhr.addEventListener(kesalahan, fungsi (e) { panggilan balik('kesalahan', e); }, salah); xhr.addEventListener(batalkan, fungsi (e) { callback('cancel', e); }, false); } xhr.open(POST, url); xhr.kirim(fd); } //音频采集 recorder.onaudioprocess = fungsi (e) { audioData.input(e.inputBuffer.getChannelData(0)); //catatan(e.inputBuffer.getChannelData(0)); } }; //抛出异常 HZRecorder.throwError = function (pesan) { alert(pesan); melempar fungsi baru () { this.toString = function () { mengembalikan pesan; } } } //是否支持录音 HZRecorder.canRecording = (navigator.getUserMedia != null); //获取录音机 HZRecorder.get = function (callback, config) { if (callback) { if (navigator.getUserMedia) { navigator.getUserMedia( { audio: true } //只启用音频 , function (stream) { var rec = HZRecorder baru(stream, konfigurasi); panggilan balik(rec); (kesalahan) { switch (error.code || error.name) { case 'PERMISSION_DENIED': case 'PermissionDeniedError': HZRecorder.throwError('用户拒绝提供信息。'); case 'NOT_SUPPORTED_ERROR': case 'NotSupportedError'; : HZRecorder.throwError('浏览器不支持硬件设备。'); break; case 'MANDATORY_UNSATISFIED_ERROR': case 'MandatoryUnsatisfiedError': HZRecorder.throwError('无法发现指定的硬件设备。'); break; default: HZRecorder.throwError('无法打开麦克风。异常信息:' + (error.code || error.name)); }); } else { HZRecorder.throwErr('当前浏览器不支持录音功能。'); kembali; } } } window.HZRecorder = HZRecorder;})(jendela);总结Panduan Pengguna HTML5/播放功能的实现代码,希望对大家有所帮助，如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对VeVb武林网网站的支持！