Digital signal coring apparatus with controllable coring...

Details Digital signal coring apparatus with controllable coring... Digital signal coring apparatus with controllable coring...

H - Electricity

04

N

350/63

H04N 9/12 (2006.01) H04N 5/21 (2006.01)

Patent

CA 1219344

RCA 79,342 Abstract A digital signal processing apparatus includes a digital coring circuit removing samples of digital input signals in a range determined by a digital threshold level signal. The threshold level signal developed by a coring control device is controllable according to the results of comparing at least a portion of the digital input signals to a digital reference level. In a television receiver having digital signal processing circuitry, for example, the coring range is decreased as the luminance signal level increases towards a brighter picture level and is increased as the luminance signal level decreases towards a darker picture level.

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