neuvideo / lyra-js

A javascript library that enables encoding and decoding of audio with Lyra, a neural audio codec.

lyra-js

A Webassembly/Javascript port of Lyra, a neural audio codec from Google. It enables audio encoding and decoding with Lyra on web browsers.

Installation.

NPM

npm install lyra-codec --save

import {encodeWithLyra, decodeWithLyra, isLyraReady} from 'lyra-codec'

UNPKG

import {encodeWithLyra, decodeWithLyra, isLyraReady} from 'https://unpkg.com/lyra-codec/dist/lyra_bundle.js'

Usage

if (isLyraReady()) {
  // Encode with Lyra codec.
  const rawAudio = new Float32Array(...);
  const encodedAudio = encodeWithLyra(audioArray, kSampleRate);

  const decoded = decodeWithLyra(encodedAudio, kSampleRate, rawAudio.length);
} else {
  ...
}

Example

See Lyra on webassembly for a demo of lyra-js in action, and Playing with Lyra on how to use it for webrtc.