Video data multiplexer, video data multiplexing control method, method and apparatus for multiplexing encoded stream, and encoding method and apparatus
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United States of America Patent
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Jan 18, 2005
Grant Date -
N/A
app pub date -
Jun 11, 1999
filing date -
Oct 15, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention makes it possible to efficiently transmit data for statistical multiplexing which is required for control using statistical multiplexing. By utilizing private packets, respective encoding devices transmit encoding difficulties serving as the data for statistical multiplexing to a multiplexer (4) via the same transmission channels as encoded video data and audio data are transmitted. The multiplexer (4) conducts multiplexing processing on data supplied from the respective encoding devices at a first rate R1 larger than a transmission rate on a transmission channel of a subsequent stage, and outputs a transport stream (TS.sub.d including the private packets to a statistical multiplexing computer. In addition, the multiplexer (4) conducts multiplexing processing on data obtained by removing the private packets, at a second rate R2 which is equal to the transmission rate on the transmission channel of the subsequent stage, and outputs a transport stream (TS.sub.m) which does not include the private packets to the transmission channel of the subsequent stage.
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