Sound log

sound_log.rb

require 'rubygems'
require 'bundler/setup'
require 'wavefile'
require 'json'

include WaveFile

format = Format.new(:mono, 16, 1000)
writer = Writer.new("sound.wav", format)

sound_data = JSON.
  parse(File.open('log.json', 'r').readlines.first).
  detect{|item| item["target"] == "log303"}["datapoints"].
  map{|value| value.first ? value.first : 0}

buffer = Buffer.new(sound_data, format)
writer.write(buffer)

writer.close()