Method and discriminator for classifying different segments...

G - Physics – 10 – L

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G10L 11/00 (2006.01) G10L 19/14 (2006.01)

Patent

CA 2730196

For classifying different segments of a signal which comprises segments of at least a first type and second type, e.g. audio and speech segments, the signal is short- term classified (150) on the basis of the at least one short-term feature extracted from the signal and a short- term classification result (152) is delivered. The signal is also long-term classified (154) on the basis of the at least one short-term feature and at least one long-term feature extracted from the signal and a long-term classification result (156) is delivered. The short-term classification result (152) and the long-term classification result (156) are combined (158) to provide an output signal (160) indicating whether a segment of the signal is of the first type or of the second type.

Pour classer différents segments d'un signal qui comprend des segments d'au moins un premier type et un deuxième type, par exemple des segments audio et de parole, le signal est classé en courts termes (150) sur la base de la ou des caractéristiques de courts termes extraites du signal et un résultat de classement en courts termes (152) est délivré. Le signal est également classé en longs termes (154) sur la base de la ou des caractéristiques de courts termes et de la ou des caractéristiques de longs termes extraites du signal et un résultat de classement en longs termes (156) est délivré. Le résultat de classement en courts termes (152) et le résultat de classement en longs termes (156) sont combinés (158) pour fournir un signal de sortie (160) indiquant si un segment du signal est du premier type ou du deuxième type.

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