H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01) H04R 3/02 (2006.01)
Patent
CA 2417803
The present invention relates to a hearing aid with an adaptive filter for suppression of acoustic feedback in the hearing aid. The hearing aid further comprises a controller that is adapted to compensate for acoustic feedback by determination of a first parameter of an acoustic feedback loop of the hearing aid and adjustment of a second parameter of the hearing aid in response to he first parameter whereby generation of undesired sounds is substantially avoided. Hereby a gain safety margin requirement is significantly reduced.
La présente invention concerne un appareil de correction auditive muni d'un filtre adaptatif pouvant éliminer la réaction acoustique dans l'appareil. L'appareil de correction auditive comprend également un organe de contrôle conçu pour corriger la réaction acoustique par détermination d'un premier paramètre d'une boucle de réaction acoustique de l'appareil, et par réglage d'un second paramètre de L'appareil de correction auditive en réponse au premier paramètre, ce qui permet d'éviter sensiblement la production de sons indésirés. On réduit ainsi considérablement une exigence en matière de marge de sûreté du gain.
G. Ronald Bell & Associates
Widex A/s
LandOfFree
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