Method and Apparatus for Bitrate Reduction
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United States of America Patent
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Issued Date -
Jun 19, 2008
app pub date -
Nov 5, 2007
filing date -
Nov 3, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for reducing the bitrate of a given datastream is provided. The bitrate of a given datastream is reduced by altering the payload of an incoming packet, while still providing sufficient data as to not cause a malfunction within the receiving node. The altered payload represents data which will trigger commonly used error concealment methods, within the receiving node. The determination as to which packets undergo alteration is based on a relationship between network congestion and the priority of a given packet. A packet's priority is measured in terms of its effect on the regeneration of high quality signal. As the need to reduce the bitrate of a given datastream increases, the occurrence of packet alteration increases.
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