wave-to-json

generate a waveform in json format

Installation

wave-to-json require sox.

install it via brew or apt

brew install sox

or

sudo apt-get install sox libsox-fmt-mp3

Usage by examples

convert mp3 file to json format

WaveToJson.new(SOURCE, DESTINATION, OPTIONS).generate

• Both channels

WaveToJson.new('test.mp3', 'test.json').generate

• Left channel

Generate from left channel

WaveToJson.new('test.mp3', 'test.json', channel: :left).generate

• Right channel

Generate json format from right channel

WaveToJson.new('test.mp3', 'test.json', channel: :right).generate

CLI Usage

  $ wave_to_json generate song.mp3 waveform.json