Method and apparatus for extracting information-bearing portions

Details Method and apparatus for extracting information-bearing portions Method and apparatus for extracting information-bearing portions

1989-08-04

1991-06-18

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

3645135, 381 41, G10L 500

Patent

active

050254715

ABSTRACT:
Speech signals are analyzed by correlating a sequence of samples to derive a sliding average magnitude difference function (SAMDF) whereby histograms are formed which are compressed and normalized to form histogram sequences representing the speech signal for comparison and recognition.

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The American Journal of Psychology, vol. LXI, No. 1, pp. 1-20, Licklider et al., Jan., 1948.
Speech Analysis Synthesis and Perception, Second Edition, pp. 192-199, Flanagan, 1972.
Pitch Determination of Speech Signals, pp. 373-383, Hess, 1983.

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