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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
NTSC
Y'IQ
system
30
See
Notch .filtering,
on page 349.
In the NTSC studio, 5.5 MHz of composite bandwidth is
available; wideband chroma of about 1.3 MHz can be
easily maintained. However, only 4.2 MHz of composite
bandwidth is available for NTSC broadcast. If equiband
U and V components are modulated onto a 3.58/WHz
color subcarrier, only 600 kHz of chroma bandwidth is
achieved. The designers of NTSC considered 600 kHz of
chroma bandwidth to be insufficient, and they devised
a scheme to form modulated chroma from / and Q
components, where Q was bandlimited to about
600 kHz, but where / preserves ...
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Publisher Resources

ISBN: 9781558607927