Decoding apparatus of a compressed digital video signal
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United States of America Patent
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-
Mar 1, 1994
Grant Date -
N/A
app pub date -
Jul 20, 1992
filing date -
Jul 24, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Encoded picture data or encoded difference data is decoded by an intraframe decoder. To an adder, zero data is given through a switching circuit at the time of the decoding of intraframe coded data, and when interframe coded data, i.e., difference data is decoded, a decoded value of a previous frame is supplied through the switching circuit. By the adder, the decoded value of the previous frame and the decoded difference value are added to allow the decoding of interframe coding.
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