Thread View: comp.compression
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Started by lip@s1.gov (Lore
Thu, 20 Aug 1992 12:32
HDTV and Teleconferencing Standards?
Author: lip@s1.gov (Lore
Date: Thu, 20 Aug 1992 12:32
Date: Thu, 20 Aug 1992 12:32
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Does anyone know where one can find draft copies of proposed HDTV standards? What would be the most interesting to me are: Horizontal and vertical dimensions in pixels [I presume that the pixels include all three colors and are square]. Number of frames per second. Also, I'd like to find out teleconferencing standards -- what dimensions and frame rate for teleconferencing TV, and what target bandwidth and other performance standards.
Re: HDTV and Teleconferencing Standards?
Author: rwb@alexander.VI
Date: Sat, 05 Sep 1992 08:53
Date: Sat, 05 Sep 1992 08:53
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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.
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