<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> </head> <body> <button onclick="start()">录音</button> <button id="stop">停止</button> </body> <script> function play(blob){ var reader = new FileReader(); reader.onload = function(e) { var wavBase64 = e.target.result; console.log(wavBase64); //此处输出为 wav格式的 base64 码 } reader.readAsDataURL(blob); // var url = URL.createObjectURL(blob); // var audio = new Audio(); // audio.src = url; // audio.play(); } var stop = document.getElementById('stop'); var chunks = []; var handleSuccess = function(stream) { var mediaRecorder = new MediaRecorder(stream); stop.onclick = function() { mediaRecorder.stop(); } mediaRecorder.onstop = function(e) { var blob = new Blob(chunks, { 'type' : 'audio/wav' }); chunks = []; play(blob); } mediaRecorder.ondataavailable = function(e) { chunks.push(e.data); } mediaRecorder.start(); }; function start(){ navigator.mediaDevices.getUserMedia({ audio: true, video: false }).then(handleSuccess); } </script> </html>
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转载自qiqiliu.iteye.com/blog/2393026
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