Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Patent
1994-08-18
1997-02-11
Brinich, Stephen
Electrical audio signal processing systems and devices
Binaural and stereophonic
Pseudo stereophonic
381 22, H04N 591
Patent
active
056029225
ABSTRACT:
The present invention relates to an audio signal processing apparatus and method, and more particularly to an apparatus and method for processing an audio signal according to surround modes in which a surround-sound of an original sound, in accordance with surround modes, can be reproduced by carrying surround code information with the audio signal being transmitted and by detecting the surround code information upon receipt of the audio signal. An apparatus for processing an audio signal having a transmitting device which transmits the audio signal and a receiving device which surround-processes the audio signal and outputs the surround-processed audio signal, including a device for generating a surround discriminating signal indicating a surround mode corresponding to the audio signal, a mixer for mixing the surround discriminating signal with the audio signal, a separator for separating the surround discriminating signal from the audio signal, a surround mode detector for detecting the surround mode from the surround discriminating signal separated from the separator and a surround processor for surround-processing the audio signal in response to the detection result of the surround mode.
REFERENCES:
patent: 5027687 (1991-07-01), Iwamatsu
patent: 5128999 (1992-07-01), Yanagawa
patent: 5155770 (1992-10-01), Maejima
patent: 5164840 (1992-11-01), Kawamura et al.
patent: 5261005 (1993-11-01), Masayuki
Brinich Stephen
Samsung Electronics Co,. Ltd.
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