Dither
Revision as of 16:37, 3 July 2012 by Brad Johnson (talk | contribs) (Created page with "=Overview== The term <nowiki>dither</nowiki> is used to describe a special form of wide-band noise that is added to a digital audio signal after the wordlength is reduced. Th...")
Overview=
The term dither is used to describe a special form of wide-band noise that is added to a digital audio signal after the wordlength is reduced. The purpose is to randomize quantization error of low level signals.
Basics
In digital audio, the original analog signal amplitude must be encoded in discrete "steps." Teh number of possible steps is determined by the wordlength.