System and method for converting H.261 compressed moving picture data to MPEG-1 compressed moving picture data on compression domain
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United States of America Patent
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Sep 17, 2002
Grant Date -
N/A
app pub date -
Nov 2, 1999
filing date -
Nov 25, 1998
priority date (Note) -
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Abstract
A system for converting a heterogeneous compressed moving picture data, includes: a variable length decoder for generating variable length decoded data as first compressed moving picture data from a first data bit stream; a compressed moving picture data analyzer for analyzing layer types of the first compressed moving picture data; a layer-matching device for matching layers of the first compressed moving picture data to layers of second compressed moving picture data, thereby generating the second compressed moving picture data; and a variable length encoder for generating variable length coded data as a second data bit stream. Thereby, the system can convert an H.261 compressed moving picture data to an MPEG-1 compressed moving picture data on a compression domain.
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