Video coding format
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A video compression format is a specification for digitally representing a video. Examples of video compression formats are MPEG-2, MPEG-4 (with various parts), Ogg Theora, Dirac, and WebM. A specific implementation of video compression and/or decompression using a specific video compression format is called a video codec; an example of a video codec is DivX, which implements the MPEG-4 Part 2 video compression format.