Method and apparatus for speech recognition adapted to an...

Details Method and apparatus for speech recognition adapted to an... Method and apparatus for speech recognition adapted to an...

G - Physics

10

L

G10L 17/00 (2006.01) G10L 15/06 (2006.01) G10L 15/14 (2006.01) G10L 15/02 (2006.01)

Patent

CA 2210887

A method and apparatus for automatic recognition of speech adapts to a particular speaker by using adaptation data to develop a transformation through which speaker independent models are transformed into speaker adapted models. The speaker adapted models are then used for speaker recognition and achieve better recognition accuracy than non-adapted models. In a further embodiment, the transformation-based adaptation technique is combined with a known Bayesian adaptation technique.

Procédé et appareil de reconnaissance automatique de la voix qui s'adapte à un locuteur particulier en utilisant des données d'adaptation permettant de mettre au point une transformation grâce à laquelle des modèles indépendant du locuteur sont transformés en modèles adaptés au locuteur. Les modèles adaptés au locuteur sont ensuite utilisés pour la reconnaissance du locuteur et permettent d'obtenir une meilleure précision de reconnaissance que les modèles non adaptés. Dans un autre mode de réalisation, la technique d'adaptation basée sur une transformation est combinée à une technique d'adaptation bayesienne connue.

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