Device for normalizing a speech spectrum

Details Device for normalizing a speech spectrum Device for normalizing a speech spectrum

1989-02-08

1991-03-19

Shaw, Dale M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 302, G10L 500

Patent

active

050017616

ABSTRACT:
A device for use in a speech recognizer or similar apparatus for normalizing the spectrum of speech as preprocessing for speech recognition. The device divides the spectrum of input speech at a predetermined frequency and determines a linear approximate line for each of the divided spectra such that the resulting approximate lines join each other at the point of division, thereby normalizing the spectrum.

REFERENCES:
patent: 4490839 (1984-12-01), Bunge
patent: 4683590 (1987-07-01), Miyoshi et al.
patent: 4852181 (1989-07-01), Morito et al.

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