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公开(公告)号：US20210105565A1
公开(公告)日：2021-04-08
申请号：US17060732
申请日：2020-10-01
Applicant: Oticon A/S
Inventor： Michael Syskind PEDERSEN , Asger Heidemann ANDERSEN , Jesper JENSEN , Nels Hede ROHDE , Anders Brødløs OLSEN , Michael Smed KRISTENSEN , Thomas BENTSEN , Svend Oscar PETERSEN
Abstract: A hearing device comprises an input transducer comprising a microphone for providing an electric input signal representative of sound in the environment of the hearing device, a pre-processor for processing electric input signal and providing a multitude of feature vectors, each being representative of a time segment thereof, a neural network processor adapted to implement a neural network for implementing a detector configured to provide an output indicative of a characteristic property of the at least one electric input signal, the neural network being configured to receive said multitude of feature vectors as input vectors and to provide corresponding output vectors representative of said output of said detector in dependence of said input vectors. The hearing device further comprises a transceiver comprising a transmitter and a receiver for establishing a communication link to another part or device or server, at least in a particular adaptation-mode of operation, and a selector for—in said particular adaptation-mode of operation—routing said feature vectors to said transmitter for transmission to said another part or device or server, and—in a normal mode of operation—to route said feature vectors to said neural network processor for use as inputs to said neural network, a neural network controller connected to said neural network processor for—in said particular adaptation-mode of operation—receiving optimized node parameters, and to apply said optimized node parameters to said nodes of said neural network to thereby implement an optimized neural network in said neural network processor, wherein the optimized node parameters have been selected among a multitude of sets of node parameters for respective candidate neural networks according to a predefined criterion in dependence of said feature vectors. A method of selecting optimized parameters for a neural network for use in a portable hearing device is further disclosed. The invention may e.g. be used in hearing aids or headsets, or similar, e.g. wearable, devices.
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92.发明申请公开(公告)号：US20210084415A1
公开(公告)日：2021-03-18
申请号：US17106453
申请日：2020-11-30
Applicant: Oticon A/S
Inventor： Eleni KOUTROULI , Michael Syskind PEDERSEN , Jesper JENSEN , Jan M. DE HAAN
IPC: H04R25/00
Abstract: A binaural hearing system comprises a first and second hearing aids. The hearing aids each comprises antenna and transceiver circuitry allowing the exchange of audio signals between them. At least one of the hearing aids comprises primary and secondary adaptive 2-channel beamformers each providing a spatially filtered signal based on first and second beamformer-input signals. The primary and secondary 2-channel beamformers are coupled in a cascaded structure. In an embodiment, the spatially filtered signal of the secondary 2-channel beamformer may comprise an estimate of user's own voice. In an embodiment, the spatially filtered signal of the secondary 2-channel beamformer may comprise an estimate of a target signal in the environment. In an embodiment, the inputs to the secondary 2-channel beamformer may be beamformed signals from the first and second hearing aids respectively.
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公开(公告)号：US20210076124A1
公开(公告)日：2021-03-11
申请号：US17017092
申请日：2020-09-10
Applicant: Oticon A/S
Inventor： Poul HOANG , Jan M. DE HAAN , Jesper JENSEN , Michael Syskind PEDERSEN
IPC: H04R1/10 , G10K11/178 , H04R25/00
Abstract: A hearing device adapted for being located at or in an ear of a user, or for being fully or partially implanted in the head of a user comprises a) an input unit for providing at least one electric input signal representing sound in an environment of the user, said electric input signal comprising a target speech signal from a target sound source and additional signal components, termed noise signal components, from one or more other sound sources, b) a noise reduction system for providing an estimate of said target speech signal, wherein said noise signal components are at least partially attenuated, and c) an own voice detector for repeatedly estimating whether or not, or with what probability, said at least one electric input signal, or a signal derived therefrom, comprises speech originating from the voice of the user. The noise signal components are identified during time segments wherein the own voice detector indicates that the at least one electric input signal, or a signal derived therefrom, originates from the voice of the user, or originates from the voice of the user with a probability above an own voice presence probability (OVPP) threshold value. A method of operating a hearing device is further disclosed.
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94.发明申请公开(公告)号：US20200336846A1
公开(公告)日：2020-10-22
申请号：US16850884
申请日：2020-04-16
Applicant: Oticon A/S
Inventor： Nels Hede ROHDE , Thomas BENTSEN , Anders Brødløs OLSEN , Asger Heidemann ANDERSEN , Michael Syskind PEDERSEN , Svend Oscar PETERSEN , Jesper JENSEN , Michael Smed KRISTENSEN
Abstract: A hearing device, e.g. a hearing aid, is configured to be arranged at least partly on a user's head or at least partly implanted in a user's head. The hearing device comprises a) at least one input transducer for picking up an input sound signal from the environment and providing at least one electric input signal representing said input sound signal; b) a signal processor providing a processed signal based on one or more of said at least one electric input signals; c) an output unit for converting said processed signal or a signal originating therefrom to stimuli perceivable by said user as sound; d) a keyword spotting system comprising d1) a keyword detector configured to detect a limited number of predefined keywords or phrases or sounds in said at least one electric input signal or in a signal derived therefrom, and to provide a keyword indicator of whether or not, or with what probability, said keywords or phrases or sounds are detected, and d2) an own voice detector for providing an own voice indicator estimating whether or not, or with what probability, a given input sound signal originates from the voice of the user of the hearing device. The hearing device further comprises e) a controller configured to provide an own-voice-keyword indicator of whether or not or with what probability a given one of said keywords or phrases or sounds is currently detected and spoken by said user, said own-voice-keyword indicator being dependent on said keyword indicator and said own voice indicator.
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公开(公告)号：US20200314562A1
公开(公告)日：2020-10-01
申请号：US16832980
申请日：2020-03-27
Applicant: Oticon A/S
Inventor： Michael Syskind PEDERSEN , Jesper JENSEN
Abstract: A hearing system comprises a) at least one hearing device adapted for being worn on the head, or fully or partially implanted in the head, of a user, and b) a multitude of external, spatially separated, audio transmitters, each providing respective external electric sound signals comprising audio. The hearing system is configured to allow wireless communication, including audio communication, between said hearing device and said external audio transmitters, at least from said external audio transmitters to said at least one hearing device, to be established. The at least one hearing device comprises A) a multitude of microphones, each providing an electric input signal representative of sound; B) a beamformer filter providing a beamformed signal from said multitude of electric input signals; and C) an output unit configured to provide stimuli perceivable by the user as sound. The hearing system further comprises c) a selector/mixer for selecting and possibly mixing one or more of said electric input signals or said beamformed signal from the hearing device and said external electric signals from the audio transmitters and to provide a current input sound signal based thereon intended for being presented to the user, possibly in a further processed form. The selector/mixer is controlled by a source selection control signal provided by a source selection processor. The source selection processor is configured to determine said source selection control signal in dependence of a comparison of said beamformed signal and said external electric sound signals or processed versions thereof. A hearing device, and a method of operating a hearing system is further disclosed. The invention may e.g. be used in hearing aids, headsets, active ear protection devices, headphones, etc.
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Patent Agency Ranking
公开(公告)号：US20190297435A1
公开(公告)日：2019-09-26
申请号：US16425670
申请日：2019-05-29
Applicant: Oticon A/S
Inventor： Michael Syskind PEDERSEN , Jesper JENSEN , Jan Mark DE HAAN
IPC: H04R25/00
Abstract: The present invention regards a hearing aid device at least one environment sound input, a wireless sound input, an output transducer, electric circuitry, a transmitter unit, and a dedicated beamformer-noise-reduction-system. The hearing aid device is configured to be worn in or at an ear of a user. The at least one environment sound input is configured to receive sound and to generate electrical sound signals representing sound. The wireless sound input is configured to receive wireless sound signals. The output transducer is configured to stimulate hearing of the hearing aid device user. The transmitter unit is configured to transmit signals representing sound and/or voice. The dedicated beamformer-noise-reduction-system is configured to retrieve a user voice signal representing the voice of a user from the electrical sound signals. The wireless sound input is configured to be wirelessly connected to a communication device and to receive wireless sound signals from the communication device. The transmitter unit is configured to be wirelessly connected to the communication device and to transmit the user voice signal to the communication device.
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97.发明申请公开(公告)号：US20190110135A1
公开(公告)日：2019-04-11
申请号：US16156723
申请日：2018-10-10
Applicant: Oticon A/S
Inventor： Jesper JENSEN , Michael Syskind PEDERSEN , Adel ZAHEDI
IPC: H04R25/00
CPC classification number: H04R25/505 , H04R25/407 , H04R2225/43
Abstract: The application relates to a hearing device, e.g. a hearing aid, adapted for being worn by a user and for receiving sound from the environment of the user to process the sound with a view to the user's intelligibility of speech in said sound, wherein an estimate of the user's intelligibility of speech in said sound being defined by a speech intelligibility measure I of said sound at a current point in time t, the hearing device comprising a) an input unit for providing a number of electric input signals y, each representing said sound in the environment of the user, b) a signal processor for processing said number of electric input signals y according to a configurable parameter setting Θ of one or more processing algorithms, which when applied to said number of electric input signals y provides a processed signal yp(Θ) in dependence thereof, the signal processor being configured to provide a resulting signal yres, c) a controller configured to control the processor to provide said resulting signal yres at a current point in time t in dependence of c1) a parameter set Φ defining a hearing profile of the user, c2) said electric input signal(s) y or characteristics extracted from said electric input signal(s), e.g. a noise covariance matrix Cv and/or covariance matrix CY of noisy signals, c3) a current value I(y) of said speech intelligibility measure I for at least one of said electric input signals y, c4) a desired value Ides of said speech intelligibility measure, c5) a first parameter setting Θ1 of said one or more processing algorithms, c6) a current value I(yp(Θ1)) of said speech intelligibility measure I for a first processed signal yp(Θ1) based on said first parameter setting Θ1, and c7) a second parameter setting Θ′ of said one or more processing algorithms, which, when applied to said number of electric input signals y, provides a second processed signal yp(Θ′) exhibiting said desired value Ides of said speech intelligibility measure. The application further relates to a method of operating a hearing device. The invention may e.g. be used in hearing aid systems, or other portable audio processing systems.
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公开(公告)号：US20180262849A1
公开(公告)日：2018-09-13
申请号：US15915734
申请日：2018-03-08
Applicant: Oticon A/S
Inventor： Mojtaba FARMANI , Michael Syskind PEDERSEN , Jesper JENSEN
CPC classification number: H04R25/552 , H04R1/1083 , H04R3/005 , H04R25/407 , H04R25/43 , H04R25/554 , H04R2225/43 , H04R2430/23 , H04S7/302 , H04S2420/01
Abstract: A hearing system comprising a) a multitude M of microphones, M≥2, adapted for picking up sound from the environment and to provide corresponding electric input signals rm(n), m=1, . . . , M, n representing time, rm(n) comprising a mixture of a target sound signal propagated via an acoustic propagation channel and possible additive noise signals vm(n); b) a transceiver configured to receive a wirelessly transmitted version of the target sound signal and providing an essentially noise-free target signal s(n); c) a signal processor configured to estimate a direction-of-arrival of the target sound signal relative to the user based on c1) a signal model for a received sound signal rm at microphone m through the acoustic propagation channel, wherein the mth acoustic propagation channel subjects the essentially noise-free target signal s(n) to an attenuation αm and a delay Dm; c2) a maximum likelihood methodology; and c3) relative transfer functions dm representing direction-dependent filtering effects of the head and torso of the user in the form of direction-dependent acoustic transfer functions from each of M−1 of said M microphones (m=1, . . . , M, m≠j) to a reference microphone (m=j) among said M microphones, wherein it is assumed that the attenuation αm is frequency independent whereas the delay Dm may be frequency dependent. The application further relates to a method. Embodiments of the disclosure may e.g. be useful in applications such as binaural hearing systems, e.g. binaural hearing aids systems.
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公开(公告)号：US20180176700A1
公开(公告)日：2018-06-21
申请号：US15897865
申请日：2018-02-15
Applicant: Oticon A/S
Inventor： Michael Syskind PEDERSEN , Jesper JENSEN , Peter S. K. HANSEN , Bjarne KIELSHOLM-RIBALAYGUA , Kåre Tais CHRISTENSEN , Jens TROELSEN , Hans Christian SCHOTT , Rune SØ
IPC: H04R25/00
CPC classification number: H04R25/552 , H04R2205/041 , H04R2225/51 , H04R2225/55 , H04R2460/03
Abstract: A binaural aid assistance system comprises first and second hearing assistance devices adapted for being located at or in left and right ears of a user. Each of the first and second hearing assistance devices comprises a) a first wireless interface comprising first antenna and transceiver circuitry adapted for establishing a first communication link to the respective other hearing assistance device based on near-field communication; b) a second wireless interface comprising second antenna and transceiver circuitry adapted for establishing a second communication link to an auxiliary device based on far-field communication. The binaural hearing aid system further comprises c) a user interface from which a user can select a suitable routing of an audio signal from the auxiliary device to each of the first and second hearing assistance devices.
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100.发明申请公开(公告)号：US20180090158A1
公开(公告)日：2018-03-29
申请号：US15714260
申请日：2017-09-25
Applicant: Oticon A/S
Inventor： Jesper JENSEN , Michael Syskind PEDERSEN
Abstract: A voice activity detection unit is configured to receive at least two electric input signals in a number of frequency bands and a number of time instances, k and m being frequency band and time indices, respectively, (k, m) defining a specific time-frequency tile of said electric input signal. The voice activity detection unit is configured to provide a resulting voice activity detection estimate comprising one or more parameters indicative of whether or not a given time-frequency tile contains or to what extent it comprises a target speech signal. The voice activity detection unit comprises a) a first detector for analyzing the time-frequency representation of the electric input signals and identifying spectro-spatial characteristics of said electric input signals, and b) and is configured for providing said resulting voice activity detection estimate in dependence of said spectro-spatial characteristics. The invention may be used in hearing aids, table microphones, speakerphones, etc.
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