Sound field control system

Details Sound field control system Sound field control system

1995-10-30

1997-02-18

Kuntz, Curtis

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 1, 381 63, H04R 500

Patent

active

056048092

ABSTRACT:
First and second processing circuits are provided for carrying out a reverberation process of an input signal, and first and second filters are provided for applying amplitude characteristics to output signals of the first and second processing circuits. A first adder is provided for adding an output signal of the first processing circuit with an output signal of the second filter at opposed phase, and a second adder is provided for adding an output signal of the first filter with an output signal of second processing circuit in-phase. First and second speakers are provided to receive output signals of the first and second adders. The first and second amplitude characteristics are determined in accordance with a correlation coefficient of sound pressures of sounds from the first and second speakers.

REFERENCES:
patent: 4355203 (1982-10-01), Cohen
patent: 5119420 (1992-06-01), Kato et al.
patent: 5206910 (1993-04-01), Hamada et al.
patent: 5546465 (1996-08-01), Kim

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