H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/50 (2006.01) H04L 1/00 (2006.01) H04N 17/00 (2006.01) H04N 7/52 (2006.01)
Patent
CA 2535453
A method and system are disclosed for controlling the generation of a systems layer stream, such as a transport stream, that carries a program made up of at least one elementary stream, such as an encoded audio signal or an encoded video signal. The systems layer stream is made up of serial segments, such as packets, which contain information specific to the systems layer, such as headers, and segments of elementary stream data. The bit rate of one or more of the elementary streams is adapted in accordance with a dynamically changing relation that relates the bit rate of such elementary streams to the bit rate of the portion of the systems layer stream that carries them.
L'invention concerne un procédé et un système de commande de la génération d'un flux de couches supérieures, par exemple un flux de transport, portant un programme formé d'au moins un flux élémentaire, par exemple un signal audio codé ou un signal vidéo codé. Le flux de couches supérieures est formé de segments en série, par exemple des paquets, contenant des informations spécifiques aux couches supérieures, par exemples des en-têtes, et des segments de données de flux élémentaire. Le débit binaire d'un ou de plusieurs flux élémentaires est adapté à une relation de changement dynamique associant le débit binaire desdits flux élémentaires au débit binaire de la partie du flux de couches supérieures portant ceux-ci.
Balakrishnan Jeyendran
Xiao Shu
Fetherstonhaugh & Co.
Skystream Networks Inc.
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