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<!DOCTYPE html><html> <head> <meta http-equiv=Content-Type content=text/html; charset=utf-8 /> <title>火星黑洞</title> </head> <body> <div> <audio autoplay></audio> <input onclick=startRecording() type=button value=录音 /> < input 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> var enregistreur ; var audio = document.querySelector('audio'); function startRecording() { HZRecorder.get(function(rec) { recorder = rec; recorder.start(); }, { sampleBits : 16, sampleRate : 16000 }); } function stopEnregistrement() { enregistreur.stop(); var blob = enregistreur.getBlob(); var url = URL.createObjectURL(blob); var div = document.createElement('div'); var au = document.createElement('audio'); var hf = document.createElement('a'); au.controls = vrai; au.src = url; hf.href = url ; hf.download = new Date().toISOString() + '.wav'; hf.innerHTML = hf.download; div.appendChild(au); div.appendChild(hf); enregistrementslist.appendChild(div); } function playRecording() { enregistreur.play(audio); } function uploadAudio() { recorder.upload(Handler1.ashx, function(state, e) { switch(state) { case 'uploading' : //var percentComplete = Math.round(e.loaded * 100 / e.total) + '%'; cas 'ok' : //alert(e.target.responseText); 'erreur': alert(上传失败); break; case 'cancel': alert(break; } </script> </body></html>HzRecorder.js
(function (window) { //兼容 window.URL = window.URL || window.webkitURL; navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia; var HZRecorder = function ( flux, configuration) { config = config || {}; config.sampleBits = config.sampleBits || 8 //采样位 8, 16 config.sampleRate = config.sampleRate || (44100 / 6); || window.AudioContext)(); audioInput = context.createMediaStreamSource(stream); var createScript = context.createScriptProcessor || context.createJavaScriptNode; var recorder = createScript.apply(context, [4096, 1, 1]); 0 //录音文件长度 , buffer : [] //录音缓存 , inputSampleRate : context.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 , entrée : function (data) { this.buffer.push(new Float32Array(data)); this.size += data.length; } , compresser : function () { //合并压缩 //合并 var data = new Float32Array(this.size); var décalage = 0 ; for (var i = 0; i < this.buffer.length; i++) { data.set(this.buffer[i], offset); offset += this.buffer[i].length; } //Compression var compression = parseInt(this.inputSampleRate / this.outputSampleRate); var longueur = data.length / compression ; var résultat = nouveau Float32Array(longueur); indice var = 0, j = 0 ; while (index < longueur) { result[index] = data[j]; j + = compression ; indice++; } renvoie le résultat ; } , encodeWAV : function () { var sampleRate = Math.min(this.inputSampleRate, this.outputSampleRate); var sampleBits = Math.min(this.inputSampleBits, this.oututSampleBits); var octets = this.compress(); var dataLength = octets.length * (sampleBits / 8); var buffer = new ArrayBuffer(44 + dataLength); var data = new DataView (tampon); 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)); } } // Utilisation de la méthode writeString('RIFF'); décalage += 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); décalage += 4 ; // Fichier WAV writeString('WAVE'); décalage += 4 ; // Fonctionnalités de base writeString('fmt '); décalage += 4 ; // 过滤字节,一般为 0x10 = 16 data.setUint32(offset, 16, true); décalage += 4 ; // Valeur (PCM形式采样数据) data.setUint16(offset, 1, true); décalage += 2 ; // renvoie data.setUint16(offset, channelCount, true); décalage += 2 ; // Paramètres, paramètres, paramètres et paramètres data.setUint32(offset, sampleRate, true); décalage += 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), vrai); décalage += 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); décalage += 2 ; // Utilisation de data.setUint16(offset, sampleBits, true); décalage += 2 ; // Fonctionnalités writeString('data'); décalage += 4 ; // Nombre de points,,-44 data.setUint32(offset, dataLength, true); décalage += 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 [je])); varval = s < 0 ? s * 0x8000 : s * 0x7FFF; val = parseInt(255 / (65535 / (val + 32768))); data.setInt8(offset, val, true); } } 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, vrai) ; } } renvoie un nouveau Blob([data], { type : 'audio/wav' }); } } ; //Enregistrement this.start = function () { audioInput.connect(recorder); enregistreur.connect(context.destination); } //Ajoutez this.stop = function () { recorder.disconnect(); } //Détails de la commande this.getBlob = function () { this.stop(); return 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 = new XMLHttpRequest(); if (callback) { xhr.upload.addEventListener(progress, function (e) { callback('uploading', e); }, false); xhr.addEventListener(load, function (e) { callback('ok', e); }, false); xhr.addEventListener(erreur, fonction (e) { callback('erreur', e); }, false); xhr.addEventListener(abort, function (e) { callback('cancel', e); }, false); } xhr.open(POST,url); xhr.send(fd); } //gestionnaire recorder.onaudioprocess = function (e) { audioData.input(e.inputBuffer.getChannelData(0)); //enregistrement(e.inputBuffer.getChannelData(0)); } } ; //抛出异常 HZRecorder.throwError = function (message) { alert(message); throw new function () { this.toString = function () { return message ; } } } //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 = new HZRecorder(stream, config); callback(rec); , fonction (erreur) { switch (error.code || error.name) { case 'PERMISSION_DENIED' : case 'PermissionDeniedError' : HZRecorder.throwError('用户拒绝提供信息。'); break case 'NOT_SUPPORTED_ERROR' : case 'NotSupportedError' : HZRecorder.throwError('浏览器不支持硬件设备。'); cas 'MANDATORY_UNSATISFIED_ERROR' : cas 'MandatoryUnsatisfiedError' : HZRecorder.throwError('无法发现指定的硬件设备。'); break; } }); } else { HzRecorder.throwErr('当前浏览器不支持录音功能。'); retour; } } } window.HZRecorder = HZRecorder;})(fenêtre);总结以上所述是小编给大家介绍的HTML5声音制/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！