Television compressed audio

Details Television compressed audio Television compressed audio

H - Electricity

04

N

350/3

H04N 5/783 (2006.01) H04N 5/92 (2006.01) H04N 7/00 (2006.01)

Patent

CA 1173148

ABSTRACT OF THE DISCLOSURE A ten second interval of audio frequency information is sampled, digitized, and stored in a memory. It is then read out of the memory very many times faster, say 400 times faster, converted to analog, combined with television synchronizing signals and transmitted as a single television frame. That signal is received, converted from analog to digital, stored at high speed, and then read out at an audio frequency rate, to thereby recover the original ten seconds of audio frequency information. The invention permits 10 seconds of sound to be placed in one frame of television without interrupting or inter- fering with the video synchronization.

401797

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