公开(公告)号：US10455332B2

公开(公告)日：2019-10-22

申请号：US15428241

申请日：2017-02-09

Applicant: Widex A/S

Inventor： Lars Baekgaard Jensen

IPC: H04R3/04 ,  H04R25/00 ,  H04R3/06 ,  H04R19/04 ,  H04R3/00

Abstract: A method (300) of operating a hearing aid system (100), wherein the dynamic range of input signal levels is improved by reducing the sensitivity of an input transducer in response to a trigger event while at the same time applying a gain adapted to compensate the reduced sensitivity and a hearing aid system (100, 200) adapted to carry out the method.

公开(公告)号：US09992582B2

公开(公告)日：2018-06-05

申请号：US15489259

申请日：2017-04-17

Applicant: Widex A/S

Inventor： Lars Baekgaard Jensen ,  Joe Jensen ,  Christian Christiansen Burger

IPC: H04R25/00

CPC classification number: H04R25/305 ,  H04R25/353 ,  H04R25/356 ,  H04R25/70 ,  H04R2225/61

Abstract: A hearing aid system and method of operating the hearing aid system, wherein the impedance of a hearing aid receiver is measured, the measured impedance is used to determine non-linearity characteristics of the receiver, and upon detecting that the non-linearity exceeds a threshold, the user is alerted and/or the receiver non-linearity is compensated.

公开(公告)号：US10085095B2

公开(公告)日：2018-09-25

申请号：US15489270

申请日：2017-04-17

Applicant: Widex A/S

Inventor： Lars Baekgaard Jensen ,  Joe Jensen ,  Christian Christiansen Burger

IPC: H04R25/00

CPC classification number: H04R25/305 ,  H04R25/353 ,  H04R25/356 ,  H04R25/70 ,  H04R2225/61

Abstract: A hearing aid system and method of operating the hearing aid system, wherein the impedance of a hearing aid receiver is measured, values of two hearing aid receiver parameters are derived based on the measurements, an electro-acoustical model of the receiver is provided using the derived values, the model is used to predict (i) a non-distorted membrane displacement based on the derived values of the parameters measured at a zero bias voltage, and (ii) a distorted membrane displacement based on the derived values of the parameters measured at a non-zero bias voltage, based on the predicted displacements, a compensation gain is determined suitable to compensate non-linear distortion of the hearing aid receiver, and the compensation gain is applied to the processing of a hearing aid input signal.