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".

Vangie Beal

Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.