Method of encoding a recording signal, record carrier...

H - Electricity – 04 – N

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352/18, 352/32.4

H04N 9/80 (2006.01) G11B 7/007 (2006.01) H04N 9/82 (2006.01)

Patent

CA 1219068

26 ABSTRACT: A method of encoding a recording signal, record carrier provided with a recording signal encoded in accordance with the method, apparatus for carrying out the method, and apparatus for reproducing a signal encoded in accord- ance with the method. A method is described on encoding a recording signal comprising a composite colour video signal and a further signal, in particular an audio signal for record- ing said signal on and reading it from an optical video disc. The colour video signal is frequency-modulated on a carrier in the customary manner, whilst the further signal is added to said frequency-modulated signal as a pulse-width-modulated digital signal.

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