Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent
1998-03-20
2000-03-14
Harvey, Minsun Oh
Electrical audio signal processing systems and devices
Binaural and stereophonic
Pseudo stereophonic
381 28, 381 19, 381307, H04R 500
Patent
active
060383240
ABSTRACT:
A surround sound converter for home audio systems includes outputs for a left front speaker, a right front speaker, a left rear speaker, a right rear speaker, and an auxiliary output to accommodate a rear auxiliary amplifier. The surround sound converter also includes an input for the left and right channel speaker output of an amplifier, a receiver, or any stereo signal device which has an audio amplifier. At least one potentiometer controls the volume balance between the front and rear speakers. A left and right capacitor are used to drive the left and right rear speakers, respectively. An auxiliary output is provided to accommodate adding a rear auxiliary amplifier. A surround sound converter for vehicle audio systems utilizes an automotive stereo. A left front speaker and right front speaker are connected to the normal speaker outputs of the automotive stereo. The left rear speaker is connected to the left rear signal negative and the right rear signal negative. The right rear speaker is connected to the right rear signal positive and the left rear signal positive. This unique method of connecting the rear speakers produces a three dimensional surround sound image. The rear speakers can be amplified by adding a rear auxiliary amplifier.
REFERENCES:
patent: 5140637 (1992-08-01), McCarthy
Ersler Donald J.
Harvey Minsun Oh
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