Digital signal processing circuitry for a color-television recei

Details Digital signal processing circuitry for a color-television recei Digital signal processing circuitry for a color-television recei

1983-11-17

1986-02-04

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 28, 358 30, 358 40, H04N 964

Patent

active

045689679

ABSTRACT:
Digital color signal processing circuitry includes a multiplier which multiplies two demodulated digital color-difference signals by a digital color-saturation signal to provide three time-division-multiplexed signal pairs, each of which is added to the digital luminance signal by an adder. The color-saturation-signal input of the multiplier is preceded by a second multiplier to which the color-saturation signal and multiplier factors stored in a memory (sp) are applied. These multiplier factors are permanently stored by the manufacture of the color-television receiver or can be varied or adjusted during the operation of the receiver. The three adders are followed by three digital-to-analog converters which provide the analog color signals.

REFERENCES:
patent: 4398209 (1983-08-01), Robitzsch
"What is the Impact of Digital TV?", Thomas Fischer, IEEE Transactions on Consumer Electronics, vol. CE-28, No. 3, Aug. 82.

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