Method and apparatus for digital signal processing

Details Method and apparatus for digital signal processing Method and apparatus for digital signal processing

H - Electricity

04

N

H04N 5/44 (2006.01) H04N 5/00 (2006.01) H04N 7/16 (2006.01) H04N 5/445 (2006.01)

Patent

CA 2360444

Elements necessary for a digital television receiver are structured as a plurality of digital signal processing blocks and a host operation processing block. The blocks are connected through a general-purpose bus. Command for controlling the operations of the blocks and data of streams are transferred through the bus. Thus, by replacing only blocks, various types of digital television broadcasts that differ in carrier waves, modulating systems, and compressing systems can be handled. Consequently, the developing efficiency of a television receiver is improved. In addition, when a new service is started, by adding hardware for the service, the service can be easily handled.

Les éléments nécessaires à un récepteur de télévision numérique sont divisés en plusieurs blocs processeurs de signaux numériques et en un bloc microprocesseur central. Ces blocs sont connectés par des bus généraux, par lesquels les instructions et les flux de données sont transférés pour permettre de commander les opérations des blocs. Selon ce procédé, le remplacement des blocs n'est nécessaire que pour permettre l'adaptation d'une grande variété de systèmes de télédiffusion numérique de différents diffuseurs, de différentes techniques de modulation et de différentes techniques de compression, accroissant ainsi l'efficacité de développement. Ce procédé peut également s'adapter facilement à de nouveaux services par l'installation de matériel additionnel.

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