Method and apparatus for digital broadcast channel selection

Details Method and apparatus for digital broadcast channel selection Method and apparatus for digital broadcast channel selection

H - Electricity

03

J

H03J 7/02 (2006.01) H03J 1/00 (2006.01) H04N 5/50 (2006.01)

Patent

CA 2343167

An 8VSB decoder detects whether or not a digital tuner can tune in to a broadcasting signal on a selected channel, and a channel selection frequency control portion shifts, when it is detected that the broadcasting signal on the selected channel cannot be tuned in to, PLL data to the high frequency side or the low frequency side and outputs the PLL data to the digital tuner.

L'invention concerne un décodeur 8VSB, lequel vérifie si un syntoniseur numérique a choisi le signal de radiodiffusion d'un canal sélectionné. Si le syntoniseur n'a pas réussi à choisir ce signal de radiodiffusion du canal sélectionné, une section de commande de fréquence de canal décale vers le haut ou vers le bas des données de boucle à verrouillage de phase et les fournit à un syntoniseur numérique.

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