Method of and apparatus for producing apparent...

Details Method of and apparatus for producing apparent... Method of and apparatus for producing apparent...

2005-12-27

2005-12-27

Grier, Laura A. (Department: 2644)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo sound pickup device

C381S091000, C381S307000

Reexamination Certificate

active

06980661

ABSTRACT:
The production of multidirectional or instantaneous live virtual surround sound broadcasting is obtained by positioning a plurality of microphones on an oval frame in a predetermined pattern and with a predetermined orientation, connecting the microphones to a virtual surround semiconductor chip and connecting outputs from the semiconductor chip to a pair of speakers.

REFERENCES:
patent: 5630175 (1997-05-01), Gajewski et al.
patent: 5673327 (1997-09-01), Julstrom
patent: 5778083 (1998-07-01), Godfrey
patent: 6198826 (2001-03-01), Cowieson et al.
patent: 6236730 (2001-05-01), Cowieson et al.
patent: RE38350 (2003-12-01), Godfrey
Sanyo Virtual Surround System IC LV 1150—OVERVIEW Jul. 1999 PS No. 6140 p. 1-9.
Spatializer N-2-2 Digital Virtual Surround System OVERVIEW Web page publication, believed to have been published in 2001.
InMotion 3D Audio Producer OVERVIEW Web page publication, p. 1-3, believed to have been published in 2001.
Dolby Laboratories Information Virtual Surround Reproduction believed to have been published in 2001.
3D Audio and Acoustic Environment Modeling—William G. Gardner Wave Arts, Inc.—Mar. 15, 1999 OVERVIEW.
ZORAN—Virtual 3-D Overview Michael Neidich, Product Manager—Audio Product Team believed to have been published in 2001.

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