Data separation processing in a dual channel digital high definition television system
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United States of America Patent
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Jul 27, 1993
Grant Date -
N/A
app pub date -
Jul 27, 1992
filing date -
Jul 27, 1992
priority date (Note) -
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Importance
Abstract
A high definition video system processes a bitstream including high and low priority variable length coded Data words. The coded Data is separated into packed High Priority Data and packed Low Priority Data by means of respective data packing units. The coded Data is continuously applied to both packing units. High Priority and Low Priority Length words indicating the bit lengths of high priority and low priority components of the coded Data are applied to the high and low priority data packers, respectively. The Low Priority Length word is zeroed when High Priority Data is to be packed for transport via a first output path, and the High Priority Length word is zeroed when Low Priority Data is to be packed for transport via a second output path.
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