A silent communications system, comprising: (a) amplitude modulated carrier means for generating signals located in non-aural portions of the audio and in the lower portion of the ultrasonic frequency spectrum said signals modulated with information to be perceived by a listeners brain and, (b) acoustic and ultrasonic transducer means for propagating said signals, for inducement into the brain, of the listener, and, (c) recording means for storing said modulated signals on mechanical, magnetic and optical media for delayed or repeated transmissions to the listener.
Posted on: Wed, 25 Jun 2014 04:30:15 +0000
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