System and method for improving voice recognition in noisy...

Details System and method for improving voice recognition in noisy... System and method for improving voice recognition in noisy...

G - Physics

10

L

G10L 17/00 (2006.01) G10L 15/20 (2006.01)

Patent

CA 2427339

A method and system that improves voice recognition by improving the voice recognizer of a voice recognition system 10. Mu-law compression 20 of bark amplitudes is used to reduce the effect of additive noise and thus improve the accuracy of the voice recognition system. A-law compression 21 of bark amplitudes is used to improve the accuracy of the voice recognizer. Both mu- law compression 20 and mu-law expansion 22 can be used in the voice recognizer to improve the accuracy of the voice recognizer. Both A-law compression 21 and A-law expansion can be used in the voice recognizer to improve the accuracy of the voice recognizer.

L'invention concerne un procédé et un système permettant d'améliorer la reconnaissance vocale par le biais de l'amélioration du dispositif de reconnaissance vocale d'un système correspondant (10). On utilise la compression Mu-law (20) des amplitudes en Bark pour diminuer l'effet de bruit additif et donc pour améliorer la précision dudit système. On utilise une compression A-law (21) des amplitudes en Bark pour améliorer la précision du dispositif de reconnaissance vocale. On peut employer la compression mu-law (20) et l'expansion mu-law (20) dans le dispositif de reconnaissance vocale afin d'améliorer sa précision. On peut employer la compression A-law (20) et l'expansion A-law (20) dans le dispositif de reconnaissance vocale de manière à améliorer sa précision.

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