Recorder for WebAudio API
npm install audiorecordernpm install audiorecorder --save
new AudioRecorder(audioContext) - initialize.node - WebAudio node.start() - start capturing audio.stop() - stop capturing audio.exportWaveBlob() returns WAVE filejs
import AudioRecorder from 'audiorecorder';
import { saveAs } from 'filesaver.js';let ctx = new (window.AudioContext || window.webkitAudioContext || window.mozAudioContext)();
navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
navigator.getUserMedia({ audio: true }, (e) => {
let audioInput = ctx.createMediaStreamSource(e),
audioRecorder = new AudioRecorder(ctx);
audioInput.connect(audioRecorder.node);
audioRecorder.node.connect(ctx.destination);
audioRecorder.start();
setTimeout(() => {
audioRecorder.stop();
let recorded = audioRecorder.exportWavBlob();
saveAs(recorded, 'recorded.wav');
}, 5000);
}, (e) => {
console.log('error');
});
``MIT