///var silence = new Silence();
///var silence_channel = silence.play();
[object SoundChannel]
///var noise = new Noise();
///var noise_channel = noise.play(2000);
null
///noise_channel = noise.play(1800);
null
///noise_channel = noise.play(1600);
null
///noise_channel = noise.play(1400);
null
///noise_channel = noise.play(1200);
null
///noise_channel = noise.play(1000);
[object SoundChannel]
///var lofi_silence = new LofiSilence();
///var lofi_silence_channel = lofi_silence.play(700);
[object SoundChannel]
