Video and audio blanking system
作者： Carl M. Elam , Dale A. Leavy
DOI:
关键词:
摘要: An auxiliary circuit for remote control of television receiver blanking (audio and video) by digital code words transmitted as part the video signal. The detects decodes depending upon received, blanks either or both audio signals in receiver. A selector switch would be interconnected with decoder to permit selection particular which will cause blank. normally available viewer control. transmitter transmitting preferred configuration comply FCC Rules Regulations specifying program related ASCII transmissions on line 21 picture field 1.
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