Electrical audio signal processing systems and devices – Binaural and stereophonic – Center channel
Reexamination Certificate
2005-02-08
2005-02-08
Mei, Xu (Department: 2644)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Center channel
C381S309000, C381S310000
Reexamination Certificate
active
06853732
ABSTRACT:
The present invention disclosed and claimed herein, in one aspect thereof, comprises a method for enhancing the front sound image during reproduction in a listening space of a stereo sound program, comprising the steps of receiving left and right channels of the stereo sound program; generating a virtual center channel signal from the left and right channels of the stereo sound program; and driving a center channel speaker with the virtual center channel signal, the center channel speaker disposed at a central location in a front portion of the listening space.
REFERENCES:
patent: 4841573 (1989-06-01), Fujita
patent: 4933921 (1990-06-01), Saunders
patent: 5197100 (1993-03-01), Shiraki
patent: 5297209 (1994-03-01), Kowaki
patent: 5333200 (1994-07-01), Cooper et al.
patent: 5426702 (1995-06-01), Aarts
patent: 5438623 (1995-08-01), Begault
patent: 5459790 (1995-10-01), Scofield et al.
patent: 5590204 (1996-12-01), Lee
patent: 5610986 (1997-03-01), Miles
patent: 5854847 (1998-12-01), Yoshida et al.
patent: 6122382 (2000-09-01), Iida et al.
A Rational Technique for Synthesizing Pseudo-Stereo From Monophonic Sources; Orban; Journal of the Audio Engineering Society, Apr. 1970, vol. 18, No. 2, pp. 157-164.
Further Thoughts on “A Rational Technique for Synthesizing Pseudo Stereo From Monophonic Sources; ” Orban; Journal of the Audio Engineering Society, Apr. 1970, vol. 18, No. 4, pp. 443-444.
The Stereo Synthesizer and Stereo Matrix: New Techniques for Generating Stereo Space; Orban; Audio Engineering Society, 38th Convention, May 1970.
LandOfFree
Center channel enhancement of virtual sound images does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Center channel enhancement of virtual sound images, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Center channel enhancement of virtual sound images will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3491605