Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1989-08-16
1991-05-14
Shaw, Dale M.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
G10L 702
Patent
active
050162799
ABSTRACT:
A speech analyzing and synthesizing apparatus samples a speech signal and its coding section outputs one or more codes of variable length per sampling according to the differential value between two mutually adjacent sampled signals to represent this differential value. The apparatus also includes a decoding section which decodes the outputted codes to obtain the differential value and a limiting circuit for limiting the number of outputtable codes per sample according to the differential value and codes representing differential values previously outputted from the coding section.
REFERENCES:
patent: 4726037 (1988-02-01), Jayant
patent: 4734768 (1988-03-01), Pexa
patent: 4744085 (1988-05-01), Fukatsu
patent: 4797653 (1989-01-01), Takayama
Fujimoto Yoshiji
Kawama Shuichi
Merecki John A.
Sharp Kabushiki Kaisha
Shaw Dale M.
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