Method for conditioning a digital speech signal

Details Method for conditioning a digital speech signal Method for conditioning a digital speech signal

G - Physics

10

L

G10L 21/00 (2006.01) G10L 21/02 (2006.01) G10L 11/02 (2006.01) G10L 11/06 (2006.01) G10L 19/02 (2006.01)

Patent

CA 2304013

The invention concerns a method for conditioning a digital speech signal (s) processed by successive frames, which consists in carrying out a harmonic analysis to estimate the pitch on each frame where it has a speech activity, and in oversampling at an oversampling frequency (f¿e?) which is a multiple of the estimated pitch.

Pour conditionner un signal numérique de parole(s) traité par trames successives, on en effectue une analyse harmonique pour estimer une fréquence tonale sur chaque trame où il présente une activité vocale, et on le suréchantillonne à une fréquence de suréchantillonnage (fe) multiple de la fréquence tonale estimée.

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