Not really an innovative effect, but this effect utilizes audio dithering.
Instructions:
[Video]
1. Unsharp Mask
Amount: -256,000
Radius: 0,001
Threshold: 0,000
2. Gaussian Blur - select the Light Blur preset
[Audio]
1. Distortion
Wet out: 8,0 dB
2. Dither
Quantization depth: 32 bit
Dither type: Rectangular
Noise shaping: Equal loudness contour