Dynamic coring circuit

Details Dynamic coring circuit Dynamic coring circuit

H - Electricity

04

N

350/83

H04N 5/57 (2006.01) H04N 5/21 (2006.01)

Patent

CA 1197609

Abstract of the Disclosure In a television receiver, a horizontal peaking signal is formed for addition to a luminance signal to enhance its horizontal detail by relatively boosting high frequency components of the luminance signal. The peaking signal is subject to a coring action with the depth of coring subject to dynamic control in accordance with level variations of low frequency content of the luminance signals. The sense of control is such that a greater coring depth is associated with dark portions of a scene to be reproduced than is associated with bright portions thereof.

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