Voice suppressor

Details Voice suppressor Voice suppressor

1994-08-10

1996-04-09

Hofsass, Jeffery

Telephonic communications

Substation or terminal circuitry

Conversion of signal form

379 88, 379 80, 395 267, 395 271, 395 274, G10L 100

Patent

active

055068995

ABSTRACT:
Synthesized voice having a high level is prevented from being output. A detector detects whether the level of a voice signal synthesized by a linear predictor based on linear predictive coefficients exceeds a predetermined threshold or not, and a control signal is output to a suppressor if the level exceeds the predetermined threshold. Upon receipt of the control signal from the detector, the suppressor stops the output of the voice signal supplied by the linear predictor.

REFERENCES:
patent: 4403348 (1983-09-01), Leland et al.
patent: 4513177 (1985-04-01), Nishino et al.
patent: 4696032 (1987-09-01), Levy
patent: 5138661 (1992-08-01), Zinser et al.
patent: 5353408 (1994-10-01), Kato et al.
patent: 5432883 (1995-07-01), Yoshihara

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