H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/26
H04N 7/085 (2006.01) H04N 7/088 (2006.01) H04N 7/16 (2006.01) H04N 7/171 (2006.01)
Patent
CA 1150818
ABSTRACT OF THE DISCLOSURE A method of coding and decoding video signals includes suppressing synchronization pulses during the video horizontal and vertical blanking intervals and inserting clock and address information in the suppressed intervals. Digital sound information may be inserted in the suppressed horizontal blanking intervals. At the receiver the unsynchronized video and the clock information are detected and the clock is used to control a sync pulse generator to provide the sync pulses which are then recombined with the unsynchronized video. The digital sound information is used to provide program audio which is then combined with the above-described video signal to provide a television signal usuable in a receiver.
340211
de Jong Cornelis A.
de Koningh Tom
Den Toonder Pieter
Fondse Pieter J.
Seltenrijch Johannes A.
George H. Riches And Associates
Oak Industries Inc.
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