http://xiph.org/video/vid2.shtml http://xiph.org/video/vid2.shtml This video (23min) explains, among other things, how dithering of audio signals works in the

http://xiph.org/video/vid2.shtml http://xiph.org/video/vid2.shtml This video (23min) explains, among other things, how dithering of audio signals works in the frequency domain. Note: the main subject of the video is about digital vs analog signals, but he explains dithering as well. It's also just a very well done video, I like the way he presents and explains things.