Multi-station voice recognition and processing system

Details Multi-station voice recognition and processing system Multi-station voice recognition and processing system

1989-11-22

1991-07-30

Harkcom, Gary V.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 708

Patent

active

050365380

ABSTRACT:
An electronic voice recognition system utilizes a microphone having noise-cancelling characteristics and a standardizer network to achieve further noise reduction and signal standardization over a range of input levels. The output of the standardizer is coupled to voice processor circuitry which provides a computer-compatable output corresponding to the voice information received. The system may be embodied in a multi-station environment in which the voice reception stations are coupled to a remote central processing location. A variety of processing techniques, including analog and digital, parallel and sequential, may be utilized to pass the voice signals to the processors. Upon successful processing, a confirmation signal is passed to the appropriate voice-originating station.

REFERENCES:
patent: 4462080 (1984-07-01), Johnstone et al.
patent: 4641342 (1987-02-01), Watanabe et al.
patent: 4922538 (1990-05-01), Tchorzewski
Boll, "Suppression of Acoustic Noise in Speech Using Spectral Subtraction", IEEE Trans ASSP., vol. ASSP 37, No. 3, 4/79, pp. 113-120.

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