Digital speech coder

Details Digital speech coder Digital speech coder

1981-12-01

1984-09-18

Matt Kemeny, E. S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

3645135, G10L 100

Patent

active

044728328

ABSTRACT:
An improved speech analysis and synthesis system wherein LPC parameters and a modified residual signal for excitation is transmitted: the excitation signal is the cross correlation of the residual signal and the LPC-recreated original signal.

REFERENCES:
patent: 3624302 (1971-11-01), Atal
patent: 3740476 (1973-06-01), Atal
patent: 4130729 (1978-12-01), Gagnon
patent: 4133976 (1979-01-01), Atal et al.
patent: 4140876 (1979-02-01), Gagnon
patent: 4184049 (1980-01-01), Crochier et al.

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