Background audio for each slide in deck.js

deck.audio.js

/* Plays all audio elements inside a slide when the slide becomes active
   and pauses them when the user navigates away.  Replace pause with
   whatever functionality desired (maybe pause and set currentTime to 0?) */
$(document).bind('deck.change', function(e, from, to) {
  $.deck('getSlide', from).find('audio').each(function() {
    this.pause && this.pause();
  });
  $.deck('getSlide', to).find('audio').each(function() {
    this.play && this.play();
  });
});