Electrical audio signal processing systems and devices – Hearing aids – electrical
Reexamination Certificate
2008-01-15
2008-01-15
Le, Huyen (Department: 2615)
Electrical audio signal processing systems and devices
Hearing aids, electrical
C381S314000
Reexamination Certificate
active
07319769
ABSTRACT:
A method to adjust parameters of a transfer function of a hearing device is disclosed, the method comprising the steps of extracting features of an input signal fed to the hearing device, classifying the extracted features into one of several possible classes, selecting a class corresponding to a best estimate of a momentary acoustic scene, adjusting at least some of the parameters of the transfer function in accordance with the selected class representing the best estimated momentary acoustic scene, and training the hearing device to improve classification of the extracted feature or the best estimate of the momentary acoustic scene, respectively, during regular operation of the hearing device. As a result, the hearing device does not only improve its behavior when new data is presented lying outside of known training data, but the hearing device is also better and faster adapted to most common acoustic scenes, with which the hearing device user is confronted.
REFERENCES:
patent: 5604812 (1997-02-01), Meyer
patent: 6895098 (2005-05-01), Allegro et al.
patent: 6910013 (2005-06-01), Allegro et al.
Allegro-Baumann Silvia
Cadalli Nail
Chapero-Rueda Valentin
Launer Stefan
Le Huyen
Pearne & Gordon LLP
Phonak AG
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