Method for processing a steam of multiplexed packets transporting multimedia data according to an MPEG-2 type format

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United States of America Patent

APP PUB NO 20100104026A1
SERIAL NO

12587533

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Abstract

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The present invention relates to a method for processing a stream (10) of multiplexed packets transporting multimedia data according to an MPEG-2 type format, this stream (10) being transmitted at a high bitrate to an intermediary network (12) having low bitrate transmission channels (14.sub.1, 14.sub.2, . . . 14.sub.n), wherein the high bitrate stream (10) is treated upstream of the intermediary network (12) carrying out the following steps: a step of demultiplexing the high bitrate stream (10) in order to insert packets (1, 2, . . . 44) of data in the low bitrate stream (16.sub.1, 16.sub.2, . . . 16.sub.n) transmitted by the intermediary channels (14.sub.1, 14.sub.2, . . . 14.sub.n), a step of alternating, in a synchronized way for set of low bitrate streams (16.sub.1, 16.sub.2, . . . 16.sub.n), the insertion of packets (1, 2, . . . 44) of data with the insertion of synchronization packets (M1, M2, M3, M4) in these low bitrate streams (16.sub.1, 16.sub.2, . . . 16.sub.n),so that these low bitrate streams (16.sub.1, 16.sub.2, . . . 16.sub.n) are transmitted in the intermediary network with a same low bitrate and a same alternation between, on one hand, the packets of data (1, 2, . . . 44) and, on the other hand, the synchronization packets (M1, M2, M3, M4).

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Patent Owner(s)

Patent OwnerAddress
FRANCE BREVETS47 RUE DE LA VICTOIRE PARIS 75009

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Beroul, Yannick Rennes, FR 1 1
Gravoille, Pascal Cesson Sevigne, FR 4 5
Lemonnier, Philippe Geveze, FR 5 75

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