Linear Timecode

A pure javascript implementation of a LTC encoder/decoder.

Features

• LTC decoder
  • Support for 24, 25 and 30 fps
  • Support for 29.97 fps
  • Support for drop-frame and color-frame
  • Support for user bits and bgf
• LTC encoder
  • Support for 24, 25 and 30 fps
  • Support for 29.97 fps
  • Support for drop-frame and color-frame
  • Support for user bits and bgf
  • Volume control
  • Rise and fall time control

Usage

Installation

npm install linear-timecode

Usage

const ltc = require('linear-timecode');
const sampleRate = 44100;
let decoder = new ltc.Decoder(sampleRate);

or

import { Decoder } from "linear-timecode";
const sampleRate = 44100;
let decoder = new Decoder(sampleRate);

Examples

Decoding

• Decode from wav file: snippet.
• Decode from live input source: snippet.

Development

• Install dependencies

npm install

• Run tests

npm test

• Build library

npm run build

Useful links

• Linear Timecode wikipedia.
• Linear Timecode specification.