Exploitation of null packets in packetized digital television systems
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United States of America Patent
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May 20, 2008
Grant Date -
N/A
app pub date -
Jan 3, 2002
filing date -
Jan 3, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A system and method for adding auxiliary data D.sub.A to an output data stream from a statistical multiplexer is disclosed. An auxiliary multiplexer accepts a statistically multiplexed data stream, and substitutes auxiliary data packets for null data packets. The auxiliary multiplexer controls the number of null packets in the statistically multiplexed data stream by controlling the target bandwidth B.sub.T of the statistical multiplexer, or by modifying the statistical multiplexer equation to make the auxiliary data stream a participant in the negotiation process of allocating throughput among the data sources.
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