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Glossary
58
SDA 601 Serial Digital Analyzer User Manual
in serial video monitors. The original four-word timing
reference signals (TRS, which include EAV and SAV) are
replaced with legal video samples, and analog H and V syncs
inserted in the original active picture region.
Rec. 601
See CCIR-601.
reclocking
The process of clocking the data with a regenerated clock
resolution
The number of bits (four, eight, ten, etc.) determines the
resolution of the digital signal.
4-bits = a resolution of 1 in 16
8-bits = a resolution of 1 in 256
10-bits = a resolution of 1 in 1024
Eight bits is the minimum acceptable for broadcast TV.
RP-125
See SMPTE 125M.
SAV
Start of active video in component digital systems.
scrambling
1. To transpose or invert digital data according to a prearranged
scheme in order to break up the low frequency patterns
associated with serial digital signals. 2. The digital signal is
shuffled to produce a better spectral distribution.
serial digital
Digital information that is transmitted in serial form. Often used
informally to refer to serial digital television signals.
SMPTE (Society of Motion Picture and Television Engineers)
A professional organization that recommends standards for the
television and film industries.