code: function () {
      var i;
      var sound;
  
      this.isPlaying = false;
      for (i = 0; i < this.pool.children.length; i++) {
        sound = this.pool.children[i];
        if (!sound.source || !sound.source.buffer || !sound.isPlaying || sound.isPaused) {
          continue;
        }
        sound.isPaused = true;
        sound.pause();
      }
    }
docs: Pause all the sounds in the pool.