aikumic v0.2.2

Aikumic

A microphone service.

project features

• Web Audio microphone
• Stores raw PCM audio to indexeddb to minimize RAM usage (with service worker)
• Records segments to support undo operations
• Segments are resampled to given supplied sample rate
• Supports wav export of segments or entire recording (all segments)
• simple fade in/out to minimize start stop clicking
• microphone recording time observable (decoupled from script processor node)
• playback features

developer documentation

how to build and test:

• clone the repository
• in the cloned folder, run npm install
• run npm test to build and test the code in both nodejs and browser

how to debug (browser):

• run npm start to run a development server
• open http://localhost:8080/webtest.bundle to run live tests that will update while you change the source code

Based on https://github.com/wix/typescript-boilerplate

API example

import { Microphone } from 'aikumic'
const mic = new Microphone({debug: true, resampleRate: 16000})
mic.observeProgress().subscribe((time) => {
  console.log('time:',time)
})
mic.record()
...
mic.stop().then(() => {
  wavblob = mic.exportAllWav()
})