System for implementing the synchronized superimposition of subl

Details System for implementing the synchronized superimposition of subl System for implementing the synchronized superimposition of subl

1988-11-29

1992-07-07

McElheny, Jr., Donald

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 5262

Patent

active

051287650

ABSTRACT:
An apparatus and system for the controlled delivery of a subliminal video and/or audio message on to a source signal from a video tape player or similar. The source signal is divided into audio and video portions. A video processor reads sychronization information from the source signal. A controller transmits a stored subliminal image at designated times to a mixer amplifier fully synchronized with the source signal. Concurrently, an audio subliminal message is applied to the source audio at a volume level regulated at some fraction to the source audio. The combined signals are transmitted to a monitor for undistracted viewing.

REFERENCES:
patent: 4230990 (1980-10-01), Lert, Jr. et al.
patent: 4616261 (1986-10-01), Crawford et al.
patent: 4777529 (1988-10-01), Schultz et al.
patent: 4807031 (1989-02-01), Broughton et al.

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