H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01)
Patent
CA 2545009
A hearing aid (30) comprises a microphone (71), a signal processing means (20) and an output transducer (22), and the signal processing means (20) comprises a set of audio processing parameters mapped to a set of stored noise classes (12) and means (8) for classifying the background noise for the purpose of optimizing the frequency response in order to minimize the effects of the background noise. The hearing aid may further comprise a neural net for controlling the frequency response. A method for reducing a noise component in a signal is also devised, which method comprises classification of the noise component, comparing the noise component to a set of known noise components, and adapting the processed audio signals according to a corresponding set of frequency response parameters.
L'invention porte sur une prothèse auditive (30) comprenant un microphone (71), un processeur de signaux (20) et un transducteur de sortie (22), le processeur de signaux (20) comprenant un ensemble de paramètres de traitement audio mappé sur un ensemble de classes de bruits stockées (12) et un dispositif (8) pour classifier le bruit de fond en vue d'optimiser la réponse fréquentielle et de minimiser les effets du bruit de fond. La prothèse auditive peut également comprendre un réseau neural pour contrôler la réponse fréquentielle. L'invention porte également sur un procédé de réduction d'une composante de bruit dans un signal, ce procédé consistant à classifier la composante de bruit, comparer cette composante à un ensemble de composantes de bruit connues et adapter les signaux audio traités à un ensemble correspondant de paramètres de réponses fréquentielles.
Hansen Martin
Paludan-Muller Carsten
G. Ronald Bell & Associates
Widex A/s
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