Signal pattern encoder and classifier

Details Signal pattern encoder and classifier Signal pattern encoder and classifier

1980-05-02

1986-11-18

Kemeny, E. S. Matt

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

046240098

ABSTRACT:
An improved acoustic signal recognition system, suitable for speech or other acoustic pattern recognition, features data compression of original signal data to reduce requirements for data storage and comparison, as well as reduce recognition errors, the data is compressed by discarding signal spectral samples which do not vary from previously stored spectral samples by a threshold amount, using difference-gating.

REFERENCES:
patent: 3213268 (1965-10-01), Ellersick
patent: 3236947 (1966-02-01), Clapper
patent: 3501750 (1970-03-01), Anderson
patent: 3582559 (1971-06-01), Hitchcock et al.
patent: 3723667 (1973-03-01), Park et al.
patent: 3755627 (1973-08-01), Berkowitz et al.
patent: 3812291 (1974-05-01), Brodes et al.
G. White et al, "Speech Recognition Experiments etc.", IEEE Trans. on Acoustics, Speech, etc., Apr. 1976, pp. 183-188.
A. Robinson et al, "Results of a Prototype Television etc.", Proc. of IEEE, Mar., 1967, pp. 356-359.

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