Speech feature extraction system

Details Speech feature extraction system Speech feature extraction system

G - Physics

10

L

G10L 15/02 (2006.01) G10L 19/02 (2006.01)

Patent

CA 2450230

A system (12a) suitable for use in a speech recognition system or other voice processing system (14) extracts features related to the frequency (46, F) and amplitude (46, A) characteristics of an imput speech signal (IN) using a plurality of complex band pass filters (30) by processing the outputs of adjacent bandpass filters (42).

L'invention concerne un système (12a) pouvant être utilisé dans un système de reconnaissance vocale ou un autre système de traitement de signaux vocaux (14), qui extrait les caractéristiques de fréquence (46, A) et d'amplitude (46, F) d'un signal vocal d'entrée (IN) au moyen d'une pluralité de filtres passe-bande complexes (30), via le traitement des sorties des filtres passe-bande adjacents (42).

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