Method for detecting speech in a vocoded signal

Details Method for detecting speech in a vocoded signal Method for detecting speech in a vocoded signal

1998-07-31

2000-12-05

Dorvil, Richemond

Data processing: speech signal processing, linguistics, language

Speech signal processing

For storage or transmission

704215, 704223, G10L 1106

Patent

active

061579068

ABSTRACT:
A digital signal processor (100) receives a digitally vocoded signal (102), and calculates a staggered average value (404) from the frame energy of each received frame, or the product of the frame energy and a voicing value. While the staggered average value is above a threshold voice indicator value, speech is declared present.

REFERENCES:
patent: 4959865 (1990-09-01), Stettiner et al.
patent: 5579431 (1996-11-01), Reaves
patent: 5617508 (1997-04-01), Reaves
patent: 5657422 (1997-08-01), Janiszewski et al.

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