Method for determining an acoustic environment situation,...

H - Electricity – 04 – R

Patent

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H04R 25/00 (2006.01) H04S 3/00 (2006.01)

Patent

CA 2439427

The invention relates to a method and a device for determining an acoustic environment situation. The method consists of processing an acoustic input signal (IN) that is preferably picked up with the help of at least one microphone in at least two processing stages (S1, ..., Sn). At least one of the two processing stages (S1, ..., Sn) comprises an extraction phase in which characteristic features are extracted from the input signal (IN) and each of the processing stages (S1, ..., Sn) comprises an identification phase in which extracted characteristic features are classified. Class information (KI1, ..., KIn; KI1', ..., KIn') characterising or identifying the acoustic environment situation is generated based on the classification of said features in at least one processing stage (S1, ..., Sn). The invention also relates to applications of the inventive method in hearing aids and to a hearing aid.

L'invention concerne un procédé et un dispositif pour la détermination d'une situation acoustique environnante. Le procédé est caractérisé en ce que dans au moins deux étapes de traitement (S1, ..., Sn), on traite un signal d'entrée acoustique (IN) reçu de préférence par au moins un microphone, de telle façon que dans au moins l'une des deux étapes (S1, ..., Sn), une phase d'extraction soit prévue, dans laquelle sont extraites les caractéristiques du signal d'entrée (IN), et en ce qu'il est prévu dans chaque étape de traitement (S1, , Sn), une phase d'identification dans laquelle les caractéristiques extraites sont classifiées. Sur la base de la classification des caractéristiques dans au moins une étape de traitement (S1, , Sn), on produit des informations de classes (KI1, ..., KIn; KI1', ..., KIn') qui caractérisent ou identifient la situation acoustique environnante. L'invention concerne en outre des utilisations du procédé avec des appareils de correction auditive. L'invention concerne également un appareil de correction auditive.

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