///var silence = new Silence();
///silence.bytesLoaded;
4180
///silence.bytesTotal;
4180
///silence.isBuffering;
false
///silence.isURLInaccessible;
false
///silence.length;
1044.8979591836735
///silence.url;
null
///var noise = new Noise();
///noise.bytesLoaded;
4180
///noise.bytesTotal;
4180
///noise.isBuffering;
false
///noise.isURLInaccessible;
false
///noise.length;
1044.8979591836735
///noise.url;
null
