Digital signal amplitude control apparatus

Details Digital signal amplitude control apparatus Digital signal amplitude control apparatus

H - Electricity

04

N

350/60

H04N 5/14 (2006.01) H04N 9/68 (2006.01)

Patent

CA 1228668

ABSTRACT A digital video signal amplitude control apparatus is provided. A multiplier, has an input port coupled to a source of digital video signals, and a control input terminal. A detector generates a control signal in response to the magnitude of the digital video signal. The detector includes a posses linear weighting means which provides a first level of sensitivity for signal magnitudes below a predetermined value, and a second level of sensitivity for signal magnitudes above the predetermined value. Means are also provided for coupling the control signal to the control input terminal of the multiplier.

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