Voice detection apparatus

Details Voice detection apparatus Voice detection apparatus

1990-04-10

1992-04-07

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

051034816

ABSTRACT:
Speech presence versus silence is decided by a discriminator which can use a certain combination of parameter values: signal power, prediction error power, prediction error power deviation, and zero crossings.

REFERENCES:
patent: 4061878 (1977-12-01), Adoul et al.
patent: 4281218 (1981-07-01), Chuang et al.
patent: 4688256 (1987-08-01), Yasunaga
patent: 4696040 (1987-09-01), Doddington et al.
patent: 4700394 (1987-10-01), Selbach et al.
patent: 4918734 (1990-04-01), Muramatsu et al.

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