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- Path: sparky!uunet!ogicse!das-news.harvard.edu!cantaloupe.srv.cs.cmu.edu!news
- From: rwb@alexander.VI.RI.CMU.EDU (Robert Berger)
- Newsgroups: comp.compression
- Subject: Re: HDTV and Teleconferencing Standards?
- Message-ID: <Bu3Kp1.Fuy.2@cs.cmu.edu>
- Date: 5 Sep 92 08:53:25 GMT
- Article-I.D.: cs.Bu3Kp1.Fuy.2
- References: <1992Aug20.123248.22941@s1.gov>
- Sender: news@cs.cmu.edu (Usenet News System)
- Organization: School of Computer Science, Carnegie Mellon
- Lines: 13
- Nntp-Posting-Host: alexander.vi.ri.cmu.edu
-
- In article <1992Aug20.123248.22941@s1.gov> lip@s1.gov (Loren I. Petrich)
- writes:
- > [I presume that
- > the pixels include all three colors and are square].
- >
-
- Not likely on either count. Most digital video standards use the YUV
- color space; only Y (luminance) is specified for every pixel; U and V
- (chrominance) is sampled more sparsely.
-
- The dweebs who define digital video formats don't usually care about
- square pixels. The computer industry has tried to convince them it's
- worthwhile, without much success.
-