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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
SMPTE RP 168,
Definition of
Vertical Interval Switching Point for
Synchronous Video Switching.
When sync is represented in analog or digitized 4fs c
form, a raised-cosine transition having a risetime (from
10% to 90%) of 140+20 ns is imposed; the midpoint of
the transition is coincident with the idealized sync.
Switching between video sources is performed in the
vertical interval, to avoid disruption of sync or picture.
Switching occurs 30+5 IJS after O H of the first normal
line of each field. In 480i systems, switching occurs
midway through line 10. (If field 2 were dominant,
switching ...
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Publisher Resources

ISBN: 9781558607927