Switching arrangement for a stereophonic sound synthesizer

Details Switching arrangement for a stereophonic sound synthesizer Switching arrangement for a stereophonic sound synthesizer

1982-02-25

1984-10-23

Hickey, R. J.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

358144, H04R 500

Patent

active

044792352

ABSTRACT:
A system for synthesizing stereophonic signals from an audio information signal source is provided. The system includes a transfer function circuit for producing a modulated signal which varies in amplitude as a function of frequency in response to the audio signal, first and second amplifiers for providing amplified output signals, and a switch circuit for coupling selected ones of the audio signal and the modulated signal to the inputs of the first and second amplifiers. In a first position, the switch circuit causes the first and second amplifiers to operate in a matrix mode for matrixing the input signals to provide first and second synthesized stereophonic output signals, and in a second position, the switch circuit causes the amplifiers to operate in a non-matrix mode with respect to the input signals supplied thereto for providing an amplified audio output signal.

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patent: 4167651 (1979-09-01), Kempe
patent: 4239939 (1980-12-01), Griffis
patent: 4302837 (1981-11-01), Tanaka et al.
patent: 4399329 (1983-08-01), Wharton

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