Pipe Web Audio API nodes into 16bit PCM Wave files.
$ npm install wave-recordervar fs = require('web-fs')
var WaveRecorder = require('wave-recorder')
var audioContext = new webkitAudioContext()
navigator.webkitGetUserMedia({audio:true}, function(stream) {
// get the mic input
var audioInput = audioContext.createMediaStreamSource(stream)
var recorder = WaveRecorder(audioContext)
audioInput.connect(recorder.input)
var fileStream = fs.createWriteStream('test.wav')
recorder.pipe(fileStream)
// optionally go back and rewrite header with updated length
recorder.on('header', function(header){
fileStream.on('close', function(){
var headerStream = fs.createWriteStream(filePath, {flags: 'r+', start:0})
headerStream.write(header)
headerStream.end()
})
})
// record for 10 seconds then stop
setTimeout(function(){
recorder.end()
}, 10000)
})