Electrical audio signal processing systems and devices – Binaural and stereophonic – Pseudo stereophonic
Reexamination Certificate
2005-08-09
2005-08-09
Lee, Ping (Department: 2644)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Pseudo stereophonic
C381S018000
Reexamination Certificate
active
06928169
ABSTRACT:
Processing a single channel audio signal provides a plurality of audio channel signals by separating the single channel audio signal into a first separated signal, characterized by a spectral pattern generally characteristic of speech, and a second separated signal processed to provide the remainder of the plurality of audio output channel signals.
REFERENCES:
patent: 4521742 (1985-06-01), Edvardsen
patent: 5197100 (1993-03-01), Shiraki
patent: 014 2213 (1985-05-01), None
patent: 051 7233 (1992-12-01), None
patent: WO912 0165 (1991-12-01), None
Bose Corporation
Fish & Richardson P.C.
Lee Ping
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