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The Cinepak coding method is a vector quantization scheme with interframe motion compensation. It is know to operate most commonly using a modified YUV 4:2:0 colorspace but also supports 256-grayscale mode and palettized 8-bit mode. A modified variant of this format is used for ful motion video on many Sega Saturn games (in Sega FILM files often bearing the .cpk extension). It is not known if this format has anything in common with the Cinepak For Sega format used in many Sega CD games.