Encryption transmission system

Details Encryption transmission system Encryption transmission system

2008-04-15

2008-04-15

Barron, Jr., Gilberto (Department: 2132)

Cryptography

Video cryptography

Video electric signal modification

C380S210000, C348S435100

Reexamination Certificate

active

10203510

ABSTRACT:
A video signal and an audio signal are time division multiplexed, encrypted, and transmitted. A transmission side time-compresses the audio signal, multiplexes, encrypts, and transmits the time-compressed audio signal in a blanking period of the video signal. Control is performed using an audio signal data enable signal ADE, and an audio signal/video signal switch signal.

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