
Component video
color coding for H DTV
26
In the previous chapter,
Component video color coding
for SDTV,
I detailed various component color coding
systems that use the luma coefficients specified in
Rec. 601. Unfortunately, for no good technical reason,
Rec. 709 for H DTV
standardizes
different luma coeffi-
cients. Deployment of H DTV requires upconversion and
clownconversion capabilities both at the studio and at
consumers' premises; this situation will persist for a few
decades. Owing to this aspect of conversion between
HDTV and SDTV, if you want to be an HDTV expert,
you have to be an