Apparatus for time base correction

Details Apparatus for time base correction Apparatus for time base correction

1984-07-13

1987-02-10

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 595, H04N 5781

Patent

active

046427023

ABSTRACT:
A method is described on encoding a recording signal comprising a composite color video signal and a digital audio signal, for recording said signal on and reading it from an optical video disc. The color video signal is frequency-modulated on a carrier in the customary manner, while the audio signal is added to said frequency-modulated signal as a pulse-width-modulated digital signal.

REFERENCES:
patent: 4123774 (1978-10-01), Hjortzberg
patent: 4398224 (1983-08-01), Watanabe
patent: 4402021 (1983-08-01), Sonoda et al.
patent: 4555734 (1985-11-01), Fukui

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