Circuit for realizing single wire transmission of audio and video signals
An audio signal and video signal technology, applied in the direction of single-carrier transmission of single TV signal, cable transmission adaptation, etc., can solve the problems of occupying a lot of space, too many connecting cables, complicated operation, etc., and achieve low cost, simple operation, and port The effect of reducing the number of
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[0029] figure 1 It is a structural block diagram of a circuit 100 for realizing single-wire transmission of audio and video signals according to an embodiment of the present invention. refer to figure 1 , shows the sending end circuit 101 and the receiving end circuit 102 .
[0030] The transmitting end 101 circuit includes: a pre-emphasis and frequency modulation unit 1011, a first follower 1012, and an impedance matching unit 1013 communicatively connected to the pre-emphasis and frequency modulation unit 1011 and the first follower. The pre-emphasis and frequency modulation unit 1011 is configured to perform pre-emphasis and frequency modulation processing on the first audio signal and the second audio signal. The first follower 1012 is used to perform follow-up processing on the video signal; the impedance matching unit 1013 is used to perform impedance matching processing on the output signals of the pre-emphasis and frequency modulation unit and the first follower, and...
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