Speaker verification system and process

Details Speaker verification system and process Speaker verification system and process

G - Physics

10

L

G10L 17/00 (2006.01) G07C 9/00 (2006.01) G10L 9/00 (1995.01)

Patent

CA 2118878

An individual's speech sample, obtained for the purpose of speaker verification, is used to create a "protected" model of the speech. The protected model, which is stored in a database in association with a personal identifier for that individual, is arranged so that the characteristics of the individual's speech cannot be ascertained from the protected model, without access to an encryption key or other secured information stored in the system. (Fig. 1)

Dans la présente invention, un échantillon vocal obtenu en vue de vérifier l'identité du locuteur est utilisé pour créer un modèle « protégé » des paroles. Ce modèle, qui est stocké dans une base de données avec un identificateur personnel du locuteur en cause, est construit de façon que les caractéristiques vocales du locuteur ne peuvent être établies sans accès à une clé de chiffrement ou à une autre information protégée et stockée dans le système. (Figure 1)

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