Exploitation of null packets in packetized digital television systems

A system and method for adding auxiliary data DA 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...

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Bibliographic Details
Main Authors PLUMMER ROBERT H, STRANGER LEON J, BASSE HANNO, MICHENER JAMES A, NEWMAN RICHARD K
Format Patent
LanguageEnglish
Published 07.12.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
PICTORIAL COMMUNICATION, e.g. TELEVISION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A system and method for adding auxiliary data DA 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 BT 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.
Bibliography:Application Number: US20080106477