Speech detector capable of avoiding an interruption by monitorin

Details Speech detector capable of avoiding an interruption by monitorin Speech detector capable of avoiding an interruption by monitorin

1983-12-22

1987-08-18

Kemeny, E. S. Matt

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

046882561

ABSTRACT:
In a speech presence detector, the input signal (speech plus noise) is detected for power and spectral-variation per unit time. Speech presence is decided if high-power or a sudden large variation in spectral-distribution (for example, unvoiced to voiced sound) is detected.

REFERENCES:
patent: 4158749 (1979-06-01), Deman et al.
patent: 4401849 (1983-08-01), Ichikawa et al.

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