| 摘要 |
<p>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 accordance 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 recording 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.</p> |
