Pattern feature extracting system

Details Pattern feature extracting system Pattern feature extracting system

1987-06-11

1989-06-06

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 43, G10L 500

Patent

active

048378283

ABSTRACT:
In a speech signal processing system for transmission or recognition, cepstrum data is normalized by subtraction from its straight-line approximation. As a result, personal and transmission characteristics are eliminated, and both data and subtraction computations are reduced.

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patent: 4520500 (1985-05-01), Mizumo et al.
Flanagan, Speech Analysis Synthesis and Perception, Springer 1972, pp. 361-363.
Bogner, R., "On Talker Verification via Orthogonal Parameters", IEEE Trans. on ASSP, vol. ASSP-29, No. 1, (2/81), pp. 1-12.
Fukunaga, K. and Koontz, W., "Application of the Karhumen-Loeve Expansion to Feature Selection and Ordering"; IEEE Trans. on Computer, vol. C-19, No. 4, (4/70), pp. 311-318.
Ohga, H. "A Walsh-Hadamard Transform LSI for Speech Recognition", IEEE Trans. on Consumer Electronics, vol. CE-28, No. 3, (8/82), pp. 263-270.
Jayant, N. S. and Noll, P., Digital Coding of Waveforms, Bell Telephone Laboratories, Inc., 1984, p. 519.
"A System of Spoken Word Recognition by Nonlinear Spectral Matching", Oct., 1979, pp. 59-67, Japan.

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