microphone-js

A tiny library for converting browser's audio to WAV/PCM

zero dependency
uses browser's api MediaDevices.getUserMedia()

usage

npm install microphone-js

import { Microphone } from 'microphone-js'

const mic = Microphone();
// const mic = Microphone({ isMono: true, sampleRate: 16000 }); if you yant mono 16KHz, default is stereo 44kHz

mic.start();

mic.stop();

// continue recording
mic.start();

const blob = mic.getBlob();

mic.download();

// reset recording buffer
mic.reset();    

Resources

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• http://soundfile.sapp.org/doc/WaveFormat/
• https://gist.github.com/meziantou/edb7217fddfbb70e899e
• https://github.com/alexjoverm/typescript-library-starter