Dither

What is Dither?

Dither meaning in Digital terms is Dither is intentionally applied noise that is intended to randomize quantization error. This can have the effect of preventing visible or audible patterns in images and sounds such as contouring that are more objectionable than random noise. Dither is routinely used in processing of both digital audio and digital images.

 

reference: Federal Agencies Digital Guidelines Initiative – Glossary

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