Automatic speaker verification systems employing moment invarian

Details Automatic speaker verification systems employing moment invarian Automatic speaker verification systems employing moment invarian

1976-03-01

1977-10-11

Claffy, Kathleen H.

G10L 104

Patent

active

040537102

ABSTRACT:
An electrical voice print is converted into sampled digital values which are converted into corresponding moment invariants (MI). A comparison of the moment invariant values of a standard phrase uttered by the same person and stored in the storage means against the most recently converted moment invariants determines the degree of correlation. A high degree of correlation is indicative of a voice match.

REFERENCES:
patent: 3466394 (1969-09-01), French
patent: 3700815 (1972-10-01), Doddington
patent: 3705384 (1972-12-01), Wahlberg
patent: 3919479 (1975-11-01), Moon
S. Pruzanski and M. Mathews, "Talker-Recognition Procedure," J. of Ac. Soc. Am., Nov. 1964.
M. K. Hu, "Visual Pattern Recognition by Moment Invariants," IRE Trans. on Info. Theory, Feb. 1962.

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