Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent
1994-11-16
1996-08-13
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
Pseudo stereophonic
381 63, 381 17, H04S 502
Patent
active
055464653
ABSTRACT:
An audio playback apparatus and method are disclosed which includes a Dolby pro-logic decoder for converting a digital audio signal into a left signal, a right signal, a center signal, and a surround signal; a sound field processor for converting the left, right, center and surround signals into a front left signal, a front right signal, a rear left signal, and a rear right signal; an audio processor for mixing the left, right, front left, front right, rear left and rear right signals according to a predetermined relationship equation and converting them into signals for two channels composed of a left-speaker output signal and a right-speaker output signal; and audio output means for outputting the left-speaker output signal via a left speaker, the right-speaker output signal via a right speaker, and the center signal via a central speaker, thereby allowing a listener to feel a rich sound presence even with fewer output speakers then with conventional audio playback apparatuses.
REFERENCES:
patent: 5261005 (1993-11-01), Masayuki
patent: 5436975 (1995-07-01), Lowe et al.
patent: 5459790 (1995-10-01), Scofield et al.
Isen Forester W.
Samsung Electronics Co,. Ltd.
LandOfFree
Audio playback apparatus and method does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Audio playback apparatus and method, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Audio playback apparatus and method will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1055442