Communication system

H - Electricity – 04 – N

Patent

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Details

H04N 7/12 (2006.01) H03M 13/00 (2006.01) H04B 7/17 (2006.01) H04B 7/204 (2006.01) H04B 7/216 (2006.01) H04L 1/00 (2006.01) H04N 5/40 (2006.01) H04N 5/455 (2006.01) H04N 7/20 (2006.01) H04N 7/64 (2006.01)

Patent

CA 2119983

A communication system comprising: an input section for inputting an image signal; an image compression section for compressing the image signal to generate a digital image compression signal; an error correction encoding section for adding an error correction code to the digital image compression signal to generate an error correction coding signal; a modulating section for modulating the error correction coding signal into an n-value VSB modulation signal; a transmitting section for transmission the n-value VSB modulation signal; a receiving section for receiving a transmission signal transmitted from the transmitting section; a demodulating section for demodulating the transmission signal into a receiving digital signal; an error correction section for error correcting the receiving digital signal to generate an error-corrected digital signal; an image expansion section for expanding the error-corrected digital signal to generate an image output signal; and an output section for outputting the image output signal.

Système de communication comprenant : une section d'entrée d'un signal image; une section de compression du signal image afin de produire un signal de compression d'image numérique; une section de codage de correction d'erreur, ajoutant un code de correction d'erreur au signal de compression d'image numérique afin de produire un signal de codage de correction d'erreur; une section de modulation du signal de codage de correction d'erreur en un signal de modulation VSB de valeur n; une section de transmission du signal de modulation VSB de valeur n; une section de réception d'un signal provenant de la section de transmission; une section de démodulation pour démoduler le signal de transmission en un signal numérique de réception; une section de correction des erreurs du signal numérique de réception afin de générer un signal numérique corrigé; une section d'extension du signal numérique corrigé, afin de produire un signal image de sortie; et une section de sortie produisant le signal image de sortie.

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