Differences between HDTV,4DTV.4:2:0, and 4:2:2

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pdnettles

Thread Starter
SatelliteGuys Family
Mar 23, 2005
84
1
Garland, Tx
Where can I find out he differences?........Guess I'm behind the times:eek:

Trying to figure what receivers are needed and what I gain from one vs the other.

PD
 
M

Mr Tony

SatelliteGuys Pro
Supporting Founder
Nov 17, 2003
306
54
Mankato, MN
4:2:0 any DVB receiver can get
4:2:2 only a couple high end receivers and PC cards can get :)
 
Tron

Tron

SatelliteGuys Master
May 6, 2005
6,599
33
Metro New Orleans, LA
These are chroma sampling ratios used in the streams. 4:2:2 means that Y (luminance) is sampled 4 times for every 2 of B-Y (color difference blue) and 2 of R-Y (color difference red)... 4:2:0 means that luminance is sampled 4 times and B-Y and R-Y are sampled alternately.
 
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