MPEG transport mux for independently clocked transport streams
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United States of America Patent
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Jun 22, 1999
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N/A
app pub date -
Jun 27, 1996
filing date -
Jun 27, 1996
priority date (Note) -
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Abstract
An MPEG multiplexed data transmission system accepts data from N program sources that are asynchronous and that have different data rates and multiplexes them into a common data stream. N buffers corresponding to the N program sources are provided along with a filler buffer that supplies a filler MPEG data packet when none of the N buffers includes a complete packet of data. An algorithm is described that modifies the fullness of the individual N buffers by a factor that comprises the program rate multiplied by an empirically determined constant K. The arrangement optimizes jitter introduced by multiplexing the programs.
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