Ghost canceling filter circuit

Details Ghost canceling filter circuit Ghost canceling filter circuit

H - Electricity

04

N

350/81

H04N 5/21 (2006.01)

Patent

CA 1302556

ABSTRACT OF THE DISCLOSURE A ghost canceling filter circuit which has an adding means for adding a ghost canceling signal to a digital video signal thereby canceling ghost components of the video signal and a ghost canceling signal generation means for generating a ghost canceling signal in accordance with an output of the adding means. The ghost canceling signal generation means of the present invention comprises a variable delay filter means composed by parallely arranging a plurality of variable delay lines a delay amount of which is controlable from the outside and a transversal filter a filter coefficient of which is controlable, each of which transversal filter is connected in series to the corresponding variable delay line, and an adding means for adding all outputs of the variable delay filter means and for outputting a ghost canceling signal.

584028

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