Sets the volume to 100% and plays random mp3s to test the raspberry pi audio.

test_audo.js

var sys = require('sys');

function playRandomSound() {
  var num = Math.floor(Math.random()*13);

  if (num == 0) {
    num = "09";
  }
  else if (num < 10) {
    num = '0' + num;
  }

  console.log("Random Nanny Quote " + num);
  sys.exec("mpg321 " + __dirname + "/drivers/soundboard/mp3s/random/" + num + ".mp3");
}

sys.exec( "amixer cset iface=MIXER,name=\"PCM Playback Volume\" 100%"); // Set volume to 100%
setInterval(playRandomSound, 8000);