Voice recognition device and method using a (GGM) Guaranteed Glo

Details Voice recognition device and method using a (GGM) Guaranteed Glo Voice recognition device and method using a (GGM) Guaranteed Glo

1995-10-25

1998-06-09

MacDonald, Allen R.

395 255, 395 265, 395 21, G10L 506, G10L 900, G06E 100, G06E 300

Patent

active

057648530

ABSTRACT:
A voice recognition device according to the present invention including a voice analyzer for acoustically analyzing voice every predetermined frame unit to extract a feature vector X, a converter for subjecting the feature vector X output from the analyzer to a predetermined conversion process, and a voice recognizer for recognizing the voice on the basis of a new feature vector output from the converter, wherein the converter conducts the predetermined conversion processing according to a mapping F from an N-dimensional vector space .OMEGA..sub.N to an M-dimensional vector space .OMEGA..sub.M, the feature vector X is a vector on the N-dimensional vector space .OMEGA..sub.N and the function f.sub.m (X) of an m-th component of the mapping F is represented by the following linear summation of the products of functions g.sub.m.sup.k (X) and coefficients c.sub.m.sup.k of L.sub.m : ##EQU1## Each function g.sub.m.sup.k (X) may be set to a monomial.

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Kepuska et al., "Investigation of Phonemic Context in Speech Using Self-Organizing Feature Maps" ICASSP '89, pp. 504-507.
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Kepuska et al., "Phonemic Speech Recognition System Based On a Neural Network" Southeastcon, 1989, pp. 770-775.

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