Digital broadcasting transmission system and method thereof

Details Digital broadcasting transmission system and method thereof Digital broadcasting transmission system and method thereof

H - Electricity

04

N

H04N 7/26 (2006.01)

Patent

CA 2635234

A digital broadcasting transmission system and method thereof. The digital broadcasting transmission system, comprises an RS encoder to encode a dual transport stream (TS) which includes a normal stream and a plurality of turbo streams multiplexed together, an interleaver to interleave the encoded dual TS, a turbo processor to detect the turbo streams from the interleaved dual TS and to encode the detected turbo stream, and a trellis encoder to pseudo2 (P- 2) vestigial sideband (VSB) code the turbo-processed dual TS, and, then, to perform trellis encoding, and a main multiplexer (MUX) to multiplex the trellis-encoded dual TS by adding a field synchronous signal and a segment synchronous signal thereto.

L'invention concerne un système de transmission de diffusion numérique et un procédé correspondant. Ce système comprend un codeur RS destiné à coder un flux de transport double (TS) qui contient un flux normal et plusieurs flux turbo multiplexés entre eux, un entrelaceur destiné à entrelacer le flux de transport double codé, un turboprocesseur destiné à détecter les flux turbo du flux de transport double entrelacé et à coder le flux turbo détecté ainsi qu'un codeur en treillis destiné à coder une bande latérale résiduelle pseudo2 (P-2) du flux de transport double turbo traité, puis à mettre en oeuvre le codage en treillis, et un multiplexeur principal (MUX) destiné à multiplexer le flux de transport double codé en treillis par ajout d'un signal synchrone de champ et d'un signal synchrone de segment.

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