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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
Color-under recording was intro-
duced in U-matic VCRs, using
a low-frequency subcarrier of
approximately 688 kHz. A
dub
connector
carried separate luma
and chroma components; this
interface was known as
Y'/C688.
The original VHS VCRs used
a low-frequency subcarrier at
about 629 kHz, and some indus-
trial equipment implements the
corresponding Y/C629 interface.
(Chroma carrier frequency in Hi8
VCRs is approximately 743 kHz.)
the original video, so this mixing destroys the coher-
ence of subcarrier and line rate. Chroma, now on
a 3.58 MHz subcarrier, is summed with luma to
produce the composite ...
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Publisher Resources

ISBN: 9781558607927