HEARING AID DETERMINING TURN-TAKING

    公开(公告)号:US20210274294A1

    公开(公告)日:2021-09-02

    申请号:US16804873

    申请日:2020-02-28

    Applicant: Oticon A/S

    Abstract: The present application relates to a hearing aid adapted to be worn in or at an ear of a hearing aid user and/or to be fully or partially implanted in the head of the hearing aid user. The hearing aid may comprise an input unit for receiving an input sound signal from an environment of a 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 voice activity detector (VAD) configured to determine speech in the input sound signal, an own voice detector (OVD) configured to determine own voice of the hearing aid user in the input sound signal, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters of the hearing aid to provide processed versions of said at least one electric input signal, a turn-taking determining unit configured to determine turn-taking behaviour of the hearing aid user, wherein the processing unit is configured to adjust said signal processing parameters based on the determined turn-taking behavior of the hearing aid user.

    DIRECTION OF ARRIVAL ESTIMATION IN MINIATURE DEVICES USING A SOUND SENSOR ARRAY

    公开(公告)号:US20190014422A1

    公开(公告)日:2019-01-10

    申请号:US15643074

    申请日:2017-07-06

    Applicant: Oticon A/S

    Abstract: A hearing device comprises a sound system for estimating the direction of arrival of sound emitted by one or more sound sources creating a sound field. The sound system comprises an array of N sound receiving transducers (microphones), each providing an electric input signal, a processing unit comprising a) a model unit comprising a parametric model configured to be able to describe the sound field at the array as a function of the direction of arrival in a region surrounding and adjacent to the array; b) a model optimizing unit configured to optimize said model with respect to its parameters based on said sound samples; c) a cost optimizing unit configured to minimize a cost function of the model with respect to said direction of arrivals; d) an estimating unit configured to estimate the direction of arrival based on said parametric model with the optimized parameters and the optimized cost function.

    METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS
    24.
    发明申请
    METHODS AND APPARATUS FOR PROCESSING AUDIO SIGNALS 有权
    处理音频信号的方法和设备

    公开(公告)号:US20130304459A1

    公开(公告)日:2013-11-14

    申请号:US13890001

    申请日:2013-05-08

    Applicant: OTICON A/S

    Abstract: A method for processing an audio signal (i(t)), comprises: receiving a first set (x(t)) of time-varying signals representing a first sound comprised in the audio signal (i(t)), the first set (x(t)) of time-varying signals comprising an amplitude modulation signal (a(t)), a carrier frequency signal (fc(t)), a pitch signal (f0(t)) and an FM index signal (h(t)); and modifying the first set (x(t)) of time-varying signals by modifying the amplitude of the FM index signal (h(t)), thereby providing a first modified set (x′(t)) of time-varying signals. The resulting first modified set (x′(t)) of time-varying signals may subsequently be modulated to provide an audio output signal.

    Abstract translation: 一种用于处理音频信号(i(t))的方法,包括:接收表示音频信号(i(t))中包含的第一声音的时变信号的第一组(x(t)),第一组 包括幅度调制信号(a(t)),载波频率信号(fc(t)),音调信号(f0(t))和FM索引信号(h)的时变信号(x(t)) (t)); 以及通过修改FM索引信号(h(t))的幅度来修改时变信号的第一集合(x(t)),从而提供时变信号的第一修改集(x'(t)) 。 可以随后调制所得到的时变信号的第一修改集(x'(t))以提供音频输出信号。

    SYSTEM FOR CAPTURING ELECTROOCULOGRAPHY SIGNALS

    公开(公告)号:US20240260887A1

    公开(公告)日:2024-08-08

    申请号:US18640524

    申请日:2024-04-19

    Applicant: Oticon A/S

    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 COMPRISING A PHYSIOLOGICAL SENSOR

    公开(公告)号:US20230412990A1

    公开(公告)日:2023-12-21

    申请号:US18458585

    申请日:2023-08-30

    Applicant: Oticon A/S

    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.

    HEARING AID SYSTEM
    28.
    发明申请
    HEARING AID SYSTEM 审中-公开

    公开(公告)号:US20190174238A1

    公开(公告)日:2019-06-06

    申请号:US16205934

    申请日:2018-11-30

    Applicant: Oticon A/S

    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).

    HEARING SYSTEM CONFIGURED TO LOCALIZE A TARGET SOUND SOURCE

    公开(公告)号:US20190132685A1

    公开(公告)日:2019-05-02

    申请号:US16171976

    申请日:2018-10-26

    Applicant: Oticon A/S

    Abstract: A hearing system is adapted to be worn by a user and configured to capture sound in an environment of the user and comprises a) a sensor array comprising M transducers for providing M electric input signals representing said sound and having a known geometrical configuration relative to each other; b) a detector unit for detecting movements over time of the hearing system, and providing location data of said sensor array at different points in time t, t=1, . . . , N; c) a first processor for receiving said electric input signals and—in case said sound comprises sound from a localized sound source S—for extracting sensor array configuration specific data τij of said sensor array indicative of differences between a time of arrival of sound from said localized sound source S at said respective input transducers, at said different points in time t, t=1, . . . , N; and d) a second processor configured to estimate data indicative of a location of said localized sound source S relative to the user based on corresponding values of said location data and said sensor array configuration data at said different points in time t, t=1, . . . , N.

    SYSTEM FOR CAPTURING ELECTROOCULOGRAPHY SIGNALS

    公开(公告)号:US20180368722A1

    公开(公告)日:2018-12-27

    申请号:US16014763

    申请日:2018-06-21

    Applicant: Oticon A/S

    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.

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