Capture audio with a simple stream interface.
npm install --save line-in
const LineIn = require('line-in')
const Speaker = require('speaker')
const input = new LineIn()
const output = new Speaker({ signed: true })
input.pipe(output)
Returns a Readable
stream that emits chunks of raw audio data.
Currently only 2-channel 16-bit little-endian signed integer pcm encoded data is supported.