System and method for transmitting speech activity in a...

Details System and method for transmitting speech activity in a... System and method for transmitting speech activity in a...

G - Physics

10

L

G10L 15/28 (2006.01) G10L 11/02 (2006.01)

Patent

CA 2446936

A system and method for transmitting speech activity in a distributed voice recognition system. The distributed voice recognition system includes a local VR engine in a subscriber unit and a server VR engine on a server. The local VR engine comprises a feature extraction (FE) module that extracts features from a speech signal, and a voice activity detection module (VAD) that detects voice activity within a speech signal. Indications of voice activity are transmitted ahead of features from the subscriber unit to the server.

L'invention concerne un système et un procédé de transmission d'une activité vocale dans un système de reconnaissance vocale distribué. Ledit système comprend un moteur de reconnaissance vocale locale dans une unité d'abonné et un moteur de reconnaissance vocale de serveurs sur un serveur. Ce moteur de reconnaissance vocale local comprend un module d'extraction de caractéristiques qui extrait des caractéristiques d'un signal vocal, et un module de détection de l'activité vocale qui décèle l'activité vocale à l'intérieur d'un signal vocal. Des indications de l'activité vocale sont transmises, en avance sur les caractéristiques, de l'unité d'abonné au serveur.

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