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4:01:01

In digital video, video signals are encoded when recorded and decoded on playback. Depending on the digital format, the video signal will be sampled at either 4:1:1 or 4:2:2.

See anamorphic widescreen.
See also HDTV.
Also see Webopedia's "Did You Know...All About Digital TV . DTV and HDTV".










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