Digital signal peaking apparatus with controllable peaking...

Details Digital signal peaking apparatus with controllable peaking... Digital signal peaking apparatus with controllable peaking...

H - Electricity

04

N

350/63

H04N 5/14 (2006.01) H04N 5/205 (2006.01)

Patent

CA 1216661

ABSTRACT A digital signal peaking apparatus combines input digital signals with filtered and scaled representations thereof to produce controllably peaked digital signals. A digital filter produces the relatively higher frequency components of the input digital signals which are controllably scaled by a digital multiplier in accordance with a multiplier coefficient. A control arrangement develops the multiplier coefficient having a value determined in accordance with the peak magnitude of the higher frequency components of the input digital signals relative to the value of a peaking control level signal.

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