Two-layer decoding for hybrid high-definition DVD
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United States of America Patent
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Apr 14, 2009
Grant Date -
Mar 23, 2006
app pub date -
Oct 27, 2003
filing date -
Nov 25, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hybrid high-definition decoder and method are disclosed, for processing signal data as a plurality of block transform coefficients for each of base layer data and enhancement layer data, where the decoder includes a standard-definition decoder for decoding the standard-definition data from a base layer bitstream embodying a standard-definition data sequence, a high-definition decoder coupled to the standard-definition decoder for decoding the difference between the high-definition data and the standard-definition data from an enhancement layer bitstream stored as picture user data embodying a high-definition data sequence, and a two-layer composition unit for composing a high-definition signal data sequence from the standard-definition data and the difference between the high-definition data and the standard-definition data.
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