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    Hearing aid comprising a physiological sensor
    1.
    发明授权
    Hearing aid comprising a physiological sensor 有权

    公开(公告)号：US12219324B2

    公开(公告)日：2025-02-04

    申请号：US18458585

    申请日：2023-08-30

    Applicant: Oticon A/S

    Inventor： Thomas Lunner ,  Tanveer Bhuiyan ,  José Antonio Esparza Isasa ,  Sergi Rotger Griful ,  Antonello Salvatucci ,  Gary Jones ,  Kim Tilgaard Petersen ,  Peter Sommer

    IPC: H04R25/00

    Abstract: The present application relates to a system comprising a hearing aid, the hearing aid configured to be operated based on an estimation of a current listening effort of a hearing aid user. The system comprising an input unit for receiving an input sound signal from an environment of the hearing aid user and providing at least one electric input signal representing said input sound signal, an output unit for providing at least one set of stimuli perceivable as sound to the hearing aid user based on processed versions of said at least one electric input signal, a signal-to-noise ratio (SNR) estimator for determining an SNR in the environment of the hearing aid user, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters of the system to provide processed versions of said at least one electric input signal, a memory unit configured to store reference sets of SNR and pulse transition time (PTT) of the hearing aid user, at least a first and a second physiological sensor, wherein the system being configured to determine, based on the first physiological sensor, a first point in time at a first maximum upslope point of a first measured parameter, determine, based on the second physiological sensor, a second point in time at a second maximum upslope point of a second measured parameter, establish a current PTT by calculating a time difference between the first point in time and the second point in time, and determine, based on the current PTT and the stored reference sets of SNR and PTT, a current listening effort of the hearing aid user.

    Hearing aid comprising a physiological sensor
    3.
    发明授权
    Hearing aid comprising a physiological sensor 有权

    公开(公告)号：US11134351B1

    公开(公告)日：2021-09-28

    申请号：US16878041

    申请日：2020-05-19

    Applicant: Oticon A/S

    Inventor： Thomas Lunner ,  Tanveer Bhuiyan ,  José Antonio Esparza Isasa ,  Sergi Rotger Griful ,  Antonello Salvatucci ,  Gary Jones ,  Kim Tilgaard Petersen ,  Peter Sommer

    IPC: H04R25/00

    Abstract: The present application relates to a system comprising a hearing aid, the hearing aid configured to be operated based on an estimation of a current listening effort of a hearing aid user. The system comprising an input unit for receiving an input sound signal from an environment of the hearing aid user and providing at least one electric input signal representing said input sound signal, an output unit for providing at least one set of stimuli perceivable as sound to the hearing aid user based on processed versions of said at least one electric input signal, a signal-to-noise ratio (SNR) estimator for determining an SNR in the environment of the hearing aid user, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters of the system to provide processed versions of said at least one electric input signal, a memory unit configured to store reference sets of SNR and pulse transition time (PTT) of the hearing aid user, at least a first and a second physiological sensor, wherein the system being configured to determine, based on the first physiological sensor, a first point in time at a first maximum upslope point of a first measured parameter, determine, based on the second physiological sensor, a second point in time at a second maximum upslope point of a second measured parameter, establish a current PTT by calculating a time difference between the first point in time and the second point in time, and determine, based on the current PTT and the stored reference sets of SNR and PTT, a current listening effort of the hearing aid user.

    Hearing aid determining listening effort
    5.
    发明授权
    Hearing aid determining listening effort 有权

    公开(公告)号：US11980477B2

    公开(公告)日：2024-05-14

    申请号：US17846664

    申请日：2022-06-22

    Applicant: Oticon A/S

    Inventor： Tanveer Bhuiyan ,  Nicolai Westergren

    IPC: H04R25/00 ,  A61B5/00

    CPC classification number: A61B5/6817 ,  H04R25/507 ,  H04R25/554 ,  H04R25/70 ,  H04R2225/41

    Abstract: Hearing aid system comprising at least one hearing aid is provided. The hearing aid system further comprising an input unit for receiving an input sound signal from an environment of the hearing aid user and providing at least one electric input signal representing said input sound signal, an output unit for providing at least one set of stimuli perceivable as sound to the hearing aid user based on processed versions of said at least one electric input signal, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters to provide said processed versions of said at least one electric input signal, at least one photoplethysmogram (PPG) sensor configured to provide a PPG signal of the hearing aid user, and a listening effort determination unit configured to provide at least one PPG morphology parameter value based at least on the PPG signal, compare the at least one PPG morphology parameter value with at least one corresponding reference PPG morphology parameter value and determine a morphology comparison measure, and determine a listening effort of the hearing aid user. A hearing aid is further provided.

    Hearing aid comprising a physiological sensor
    6.
    发明授权
    Hearing aid comprising a physiological sensor 有权

    公开(公告)号：US11785397B2

    公开(公告)日：2023-10-10

    申请号：US17459370

    申请日：2021-08-27

    Applicant: Oticon A/S

    Inventor： Thomas Lunner ,  Tanveer Bhuiyan ,  José Antonio Esparza Isasa ,  Sergi Rotger Griful ,  Antonello Salvatucci ,  Gary Jones ,  Kim Tilgaard Petersen ,  Peter Sommer

    IPC: H04R25/00

    CPC classification number: H04R25/505 ,  H04R25/554 ,  H04R2225/41

    Abstract: The present application relates to a system comprising a hearing aid, the hearing aid configured to be operated based on an estimation of a current listening effort of a hearing aid user. The system comprising an input unit for receiving an input sound signal from an environment of the hearing aid user and providing at least one electric input signal representing said input sound signal, an output unit for providing at least one set of stimuli perceivable as sound to the hearing aid user based on processed versions of said at least one electric input signal, a signal-to-noise ratio (SNR) estimator for determining an SNR in the environment of the hearing aid user, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters of the system to provide processed versions of said at least one electric input signal, a memory unit configured to store reference sets of SNR and pulse transition time (PTT) of the hearing aid user, at least a first and a second physiological sensor, wherein the system being configured to determine, based on the first physiological sensor, a first point in time at a first maximum upslope point of a first measured parameter, determine, based on the second physiological sensor, a second point in time at a second maximum upslope point of a second measured parameter, establish a current PTT by calculating a time difference between the first point in time and the second point in time, and determine, based on the current PTT and the stored reference sets of SNR and PTT, a current listening effort of the hearing aid user.

    System for capturing electrooculography signals
    7.
    发明授权
    System for capturing electrooculography signals 有权

    公开(公告)号：US11992324B2

    公开(公告)日：2024-05-28

    申请号：US16014763

    申请日：2018-06-21

    Applicant: Oticon A/S

    Inventor： Thomas Lunner ,  Martin Skoglund ,  Alejandro Lopez Valdes ,  Tanveer Bhuiyan

    IPC: A61B5/398 ,  A61B3/113 ,  A61B5/00 ,  A61B5/291 ,  G06F3/01 ,  H04R25/00

    CPC classification number: A61B5/398 ,  A61B5/291 ,  A61B5/6803 ,  A61B5/6817 ,  A61B5/7207 ,  G06F3/013 ,  H04R25/40 ,  A61B3/113 ,  A61B5/0006

    Abstract: An electrooculography (EOG) signal capture system comprises a) a sensor array adapted for being located at one of a left or right ears of a user and/or for fully or partially being implanted in the head at left or right ears of a user, the sensor array comprising a number Ns of electric potential sensors, respectively, for sensing respective electric potentials from the user's head, where Ns is larger than or equal to two, b) electronic circuitry coupled to the sensor array and configured to provide at least two different beamformed signals (SBF1, SBF2), each being representative of a weighted combination of said electric potentials, or of signals derived therefrom, and wherein a difference between said at least two different beamformed signals (ΔPBF=SBF1−SBF2)—at least in a specific electrooculography mode of operation—represents an electrooculography signal (ΔPEOG) from one or both eyes of said user. A single-sensor EOG-system is further proposed. The invention may e.g. be used in hearing aids or other electronic wearables.

    Hearing aid system
    9.
    发明授权
    Hearing aid system 有权

    公开(公告)号：US11297444B2

    公开(公告)日：2022-04-05

    申请号：US16205934

    申请日：2018-11-30

    Applicant: Oticon A/S

    Inventor： Thomas Lunner ,  Tanveer Bhuiyan ,  Ariane Laplante-Lévesque ,  José Antonio Esparza Isasa ,  Sergi Rotger Griful

    IPC: H04R25/00 ,  A61B5/30 ,  A61B5/352 ,  A61B5/366 ,  A61B5/0205 ,  A61B5/00 ,  A61B5/0295 ,  A61B5/0285 ,  A61B5/024 ,  A61B5/287 ,  A61B5/021 ,  A61B5/11 ,  A61B5/1455

    Abstract: The invention concerns a hearing aid system that comprises an ear canal member comprising a sensor arrangement. The sensor arrangement comprises at least one surface electrode located at a surface of said ear canal member to allow said at least one surface electrode to contact the skin of a user when said ear canal member is operationally mounted on the user. The at least one surface electrode (150) is adapted to pick up a low voltage electric signal from the user's skin. The sensor arrangement further comprises a light sensor (180) located at a surface of said housing to allow emitting light through skin proximate to the light sensor (180) and capturing reflected and/or scattered light when said ear canal member is operationally mounted on the user.
    The hearing aid system further comprises a sensor signal processing unit (170) that is connected to the surface electrode (150) and the light sensor (180) and that is configured to generate one or more sensor signals from each respective output signal of the at least one surface electrode (150) and the light sensor (180).
    The hearing aid system further comprises or is connected to an evaluation unit (300) that is configured to generate an electrocardiogram-representing signal (ECG) from low voltage electric signals picked-up by the at least one surface electrode (150) and a plethysmographic-curve-representing signal from an output signal of the light sensor (180).

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