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公开(公告)号：US20230127309A1
公开(公告)日：2023-04-27
申请号：US18088293
申请日：2022-12-23
申请人： Oticon A/S
发明人： Lars BRAMSLØW
摘要： A method of defining and setting a nonlinear signal processing of a hearing device, e.g. a hearing aid, by machine learning is provided. The hearing device being configured to be worn by a user at or in an ear or to be fully or partially implanted in the head at an ear of the user, the method comprising providing at least one electric input signal representing at least one input sound signal from an environment of a hearing device user, determining a normal-hearing representation of said at least one electric input signal based on a normal-hearing auditory model, determining a hearing-impaired representation of said at least one electric input signal based on a hearing-impaired auditory model, determining optimised training parameters by machine learning, where determining optimised training parameters comprises iteratively adjusting the training parameters, and comparing the normal-hearing representation with the hearing-impaired representation to determine a degree of matching between the normal-hearing representation and the hearing-impaired representation, until the degree of matching fulfils predetermined requirements, and, when the degree of matching fulfils the predetermined requirements, determining corresponding signal processing parameters of the hearing device based on the optimised training parameters. A hearing device is further provided.
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公开(公告)号：US20230054213A1
公开(公告)日：2023-02-23
申请号：US17890647
申请日：2022-08-18
申请人： Oticon A/S
发明人： Jan M. DE HAAN , Jesper JENSEN , Michael Syskind PEDERSEN , Svend FELDT , Stig PETRI , Jakob Sloth LAURIDSEN
摘要： A hearing system comprises a) a multitude of M of microphones providing M corresponding electric input signals xm(n), m=1, ..., M, and n representing time, b) a processor connected to said multitude of microphones and providing a processed signal in dependence thereof, c) an output unit for providing an output signal in dependence of said processed signal, and d) a database (Θ) comprising a dictionary (Δpd) of previously determined acoustic transfer function vectors (ATFpd). The processor is configured A) to determine a constrained estimate of a acoustic transfer function vector (ATFpd,cur) in dependence of said M electric input signals and said dictionary (Δpd), B) to determine an unconstrained estimate of a current acoustic transfer function vector (ATFuc,cur) in dependence of said M electric input signals, and C) to determine a resulting acoustic transfer function vector (ATF*) for a user of the hearing system in dependence thereof and of a confidence measure related to said electric input signals. A method of operating a hearing device is also disclosed. Thereby an improved noise reduction system for a hearing aid or headset may be provided.
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公开(公告)号：US11589173B2
公开(公告)日：2023-02-21
申请号：US17548094
申请日：2021-12-10
申请人： Oticon A/S
发明人： Lars Riemer
摘要： A hearing aid comprises a) an input transducer; b) an output transducer; c) an input buffer connected to the input transducer configured to store audio data representing one or more time segments of an electric input signal; d) an own voice detector for providing an own voice control signal, and e) a combiner allowing to insert audio data from the input buffer in a forward audio signal path. The hearing aid further comprises f) an input controller configured to control storage of a time segment of the electric input signal in dependence of said own voice control signal; and g) an output controller configured to select audio data from said one or more time segments of the electric input signal currently stored in the input buffer for insertion in the forward path in dependence of an output control signal originating from the user.
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公开(公告)号：US20230044509A1
公开(公告)日：2023-02-09
申请号：US17881077
申请日：2022-08-04
申请人： Oticon A/S
发明人： Meng GUO , Jesper JENSEN
IPC分类号： H04R25/00
摘要： A hearing aid comprises a) at least one input transducer for providing at least one electric input signal representing said sound; b) an output transducer for providing stimuli perceivable to the user as sound; c) a feedback control system configured to minimize feedback from said output transducer to said at least one input transducer, and to at least provide a feedback corrected version of said at least one electric input signal; and d) an audio signal processor configured to apply one or more processing algorithms to said feedback corrected version of said at least one electric input signal, and to provide a processed signal in dependence thereof. The feedback control system is based on a machine learning model receiving input data at least representing said at least one electric input signal; and said processed signal; and providing said feedback corrected version of the at least one electric input signal as an output. A method of training a machine learning model is further disclosed.
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公开(公告)号：US20230027782A1
公开(公告)日：2023-01-26
申请号：US17862992
申请日：2022-07-12
申请人： Oticon A/S
IPC分类号： H04R25/00
摘要： A hearing aid comprises a) an ITE-part adapted for being located at or in an ear canal of the user, b) a forward path for processing sound from the environment of the user. The forward path comprises b1) at least one first input transducer providing at least one first electric input signal representing said sound as received at the respective at least one first microphone, said at least one first input transducer being located to allow picking up sound from the environment of the user, b2) an audio signal processor comprising a gain unit for applying a frequency and/or level dependent prescribed gain to compensate for a hearing impairment of the user to said at least one first electric input signal, or a signal or signals originating therefrom, and configured to provide a processed signal in dependence thereof, b3) an output transducer for providing stimuli perceivable as sound to the user in dependence of said processed signal. The hearing aid further comprises c) at least one second input transducer providing at least one second electric input signal representing said sound as received at the at least one second input transducer, the at least one second input transducer being located in said ITE-part to pick up sound at the eardrum of the user, d) a correlator configured to determine a correlation measure between the at least one second electric input signal, or a signal originating therefrom, and a signal of the forward path and e) a gain modifier configured to modify said gain of the gain unit in dependence of said correlation measure. A method of operating a hearing aid is further disclosed.
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公开(公告)号：US20230016254A1
公开(公告)日：2023-01-19
申请号：US17859172
申请日：2022-07-07
申请人： Oticon A/S
发明人： Rune SØ , Jens TROELSEN , Morten THOUGAARD , Oleksandr RYBALKO
摘要： A hearing device to be worn at least partly behind an ear of a user, comprising a housing; and a radio-frequency antenna arranged at least partly inside the housing is disclosed. The radio-frequency antenna is configured to receive and/or transmit electromagnetic radio-frequency signals, wherein the radio-frequency antenna comprises: at least one first antenna element with a plate like first surface, wherein the first antenna element has a feed for electrically connecting the radio-frequency antenna, and wherein the first antenna element has a ground.
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公开(公告)号：US11540064B2
公开(公告)日：2022-12-27
申请号：US17162730
申请日：2021-01-29
申请人： Oticon A/S
发明人： Poul Henriksen , Mikkel Nielsen
IPC分类号： H04R25/00 , B33Y50/02 , B33Y80/00 , H02J50/90 , H02J50/10 , B29C64/393 , G06F30/10 , H02J7/02 , B29L31/00
摘要： There is presented a hearing aid configured to be arranged at least partly in the ear canal of a specific person, the hearing aid comprising a faceplate, a custom ear shell, adapted to fit or match with the ear canal of a specific person, the custom ear shell connected to the faceplate, a rechargeable battery, an induction coil for wireless charging of the rechargeable battery, wherein the induction coil is fixed to the ear shell and furthermore a method for providing a hearing aid, said method comprising obtaining data representative of a shape and/or size of an ear canal of a specific person, establishing a digital model of the custom shell of the hearing aid for said ear canal based on said data, wherein said providing includes determining a position and/or orientation of an induction coil in an inner space of said ear shell, which position and/or orientation increases or maximizes a distance from the outer ear to the faceplate.
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公开(公告)号：US20220406328A1
公开(公告)日：2022-12-22
申请号：US17841002
申请日：2022-06-15
申请人： Oticon A/S
IPC分类号： G10L25/30 , H04R25/00 , G10L19/26 , G10L21/057
摘要： A hearing device comprises a) at least one input transducer configured to pick up sound from an acoustic environment around the user when the user is wearing the hearing device, the at least one input transducer providing at least one electric input signal representative of said sound, b) at least one analysis filter bank configured to provide said at least one electric input signal as a multitude of frequency sub-band signals, the at least one analysis filter bank comprising b1) a plurality of M first filters hm(n), whose impulse responses are modulated from a first prototype filter h(n), where m=0, 1, . . . , M−1 is a frequency band index, and n is a time index, c) a processor for processing said at least one electric input signal provided by said at least one analysis filter bank, or a signal originating therefrom, and providing a processed signal, d) an output transducer configured to provide stimuli perceivable as sound to the user in dependence of said processed signal, and e) a controller for controlling said analysis filter bank by applying a different first prototype filter to said at least one filter bank in dependence of said current acoustic environment. A method of operating a hearing device is further disclosed.
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公开(公告)号：US20220386045A1
公开(公告)日：2022-12-01
申请号：US17827110
申请日：2022-05-27
申请人： Oticon A/S
摘要： A hearing aid includes: a power source; and a switched capacitor DC-DC converter electrically connected to the power source and having an input part configured for receiving charge from the power source at an input voltage of an input voltage range; an output part having multiple output ports, the output part being configured for supplying charge to the multiple output ports for providing multiple predefined output voltages; at least one flying capacitor configured for redistributing charge from the power source to the multiple output ports and/or in between the output ports; and a switching circuitry having a plurality of switches configured for electrically switching the switched capacitor DC-DC converter based on a switching scheme so as to provide the multiple predefined output voltages based on the input voltage.
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10.发明授权公开(公告)号：US11510017B2
公开(公告)日：2022-11-22
申请号：US16909390
申请日：2020-06-23
申请人： Oticon A/S
IPC分类号： H04R25/00
摘要： A hearing device, e.g. a hearing aid, configured to be worn by a user, comprises a) two or more input transducers (e.g. microphones) wherein said two or more input transducers during use of the hearing device are arranged with a distance between them; b) a directional system comprising a directional algorithm configured to provide a directional pattern in dependence of said distance. The hearing device is configured to estimate a current value of said distance, or an equivalent acoustic delay, or beamformer weights of said directional system, thereby the directional performance can be optimized to the individual user.
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