Apparatus and method for multi-service transport multiplexing

Details Apparatus and method for multi-service transport multiplexing Apparatus and method for multi-service transport multiplexing

H - Electricity

04

J

H04J 1/00 (2006.01) H04J 99/00 (2009.01) H04B 1/74 (2006.01) H04L 5/22 (2006.01) H04L 12/56 (2006.01) H04N 7/08 (2006.01) H04N 7/24 (2006.01) H04N 7/58 (2006.01)

Patent

CA 2267152

An elementary two-stream transport multiplexer provides for the addition of services contained in a transport stream to a pre-existing transport stream. The elementary multiplexer includes a pair of transport demultiplexers, a processor and a transport remultiplexer. The demultiplexers demultiplex a pair of input transport streams to their constituent service components and service control information tables. The service control information tables are routed to the processor which combines and reconfigures the information within the tables to provide a single set of output service control information tables. The demultiplexers filter the service components based on the output service control tables. The transport remultiplexer multiplexes the output tables with the filtered streams to provide an output transport stream.

Multiplexeur élémentaire de transport à deux flux permettant d'ajouter des services contenus dans un flux de transport à un flux de transport déjà existant. Ce multiplexeur élémentaire comprend une paire de démultiplexeurs de transport, un processeur et un remultiplexeur de transport. Ces démultiplexeurs démultiplexent une paire de flux de transport d'entrée vers leurs composantes de services et vers leurs tables d'information de commande de service. Ces tables sont acheminées vers le processeur qui réalise une combinaison et une nouvelle configuration de l'information à l'intérieur des tables afin de créer un seul ensemble de tables de sortie d'information de commande de service. Les démultiplexeurs filtrent les composantes de service en fonction des tables de sortie de commande de service. Le remultiplexeur de transport multiplexe les tables de sortie avec les flux filtrés, de manière à créer un flux de transport de sortie.

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