Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1990-10-22
1992-06-30
Kemeny, Emanuel S.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
G10L 500
Patent
active
051270544
ABSTRACT:
A harmonic signal is created from a limited spectral representation of a voice signal. The harmonic signal is combined with the at least a portion of the limited delayed spectral signal to provide a reconstructed speech signal having perceptually improved audio quality.
REFERENCES:
patent: 3995115 (1976-11-01), Kelly
patent: 4667340 (1987-05-01), Arjmand et al.
patent: 4771465 (1988-09-01), Bronson
Hong Daehyoung
Kotzin Michael D.
Van den Heuvel Anthony P.
Berry Thomas G.
Kemeny Emanuel S.
Lukasik Susan L.
Motorola Inc.
Parmelee Steven G.
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