Apparatus and methods for the selective addition of noise to tem

Details Apparatus and methods for the selective addition of noise to tem Apparatus and methods for the selective addition of noise to tem

1989-08-16

1990-06-12

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 46, 381 47, G10L 500

Patent

active

049339737

ABSTRACT:
To improve the recognition of incoming speech signals in noise, the prestored templates of noise-free speech are modified to have the estimated spectral values of noise and the same signal-to-noise ratio as the incoming signal.

REFERENCES:
patent: 3855423 (1974-12-01), Brendzel
patent: 4000369 (1976-12-01), Paul
patent: 4630304 (1986-12-01), Borth
patent: 4720802 (1988-01-01), Damoulakis et al.
patent: 4737976 (1988-04-01), Borth
patent: 4741036 (1988-04-01), Bahl

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