公开(公告)号：US20200260198A1

公开(公告)日：2020-08-13

申请号：US16785167

申请日：2020-02-07

Applicant: Oticon A/S

Inventor： Asger Heidemann ANDERSEN ,  Jesper JENSEN ,  Michael Syskind PEDERSEN ,  Nels Hede ROHDE ,  Anders Brødløs OLSEN ,  Michael Smed KRISTENSEN ,  Thomas BENTSEN ,  Andreas Thelander BERTELSEN

IPC: H04R25/00 ,  G10L25/51 ,  G06N3/08

Abstract: A hearing device, e.g. a hearing aid, is 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 hearing device comprises a) an input unit for providing at least one electric input signal in a time frequency representation k, m, where k and m are frequency and time indices, respectively, and k represents a frequency channel, the at least one electric input signal being representative of sound and comprising target signal components and noise components; and b) a signal processor comprising b1) an SNR estimator for providing a target signal-to-noise ratio estimate for said at least one electric input signal in said time frequency representation; and b2) an SNR-to-gain converter for converting said target signal-to-noise ratio estimate to respective gain values in said time frequency representation. The signal processor comprises a neural network, wherein the weights of the neural network have been trained with a plurality of training signals. A method of operating a hearing aid is further disclosed. The invention may e.g. be used in audio devices, such as hearing aids, headsets, mobile telephones, etc., operating in noisy acoustic environments.

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

IPC: H04R25/00 ,  G10L15/08 ,  G10L17/00 ,  G06N3/063

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.

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

IPC: H04R25/00 ,  G10L15/22

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.

公开(公告)号：US20240223973A1

公开(公告)日：2024-07-04

申请号：US18608499

申请日：2024-03-18

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

IPC: H04R25/00 ,  G10L15/08 ,  G10L15/16 ,  G10L15/22

CPC classification number: H04R25/558 ,  G10L15/22 ,  G10L2015/088 ,  G10L15/16 ,  G10L2015/223 ,  H04R2225/61

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 connected to the at least one input transducer, the signal processor being configured to analyze the electric input signal and to provide a transmit control signal in dependence thereof; c) a memory buffer, e.g. a cyclic buffer, for storing a current time segment of a certain duration of said at least one electric input signal, or a processed version thereof; and a transmitter for transmitting at least a part of said time segment, or a processed version thereof, to an external device in dependence of said transmit control signal.

公开(公告)号：US20230100340A1

公开(公告)日：2023-03-30

申请号：US17994568

申请日：2022-11-28

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

IPC: H04R25/00 ,  G10L15/22

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 connected to the at least one input transducer, the signal processor being configured to analyze the electric input signal and to provide a transmit control signal in dependence thereof; c) a memory buffer, e.g. a cyclic buffer, for storing a current time segment of a certain duration of said at least one electric input signal, or a processed version thereof; and a transmitter for transmitting at least a part of said time segment, or a processed version thereof, to an external device in dependence of said transmit control signal.

公开(公告)号：US20130170660A1

公开(公告)日：2013-07-04

申请号：US13732736

申请日：2013-01-02

Applicant: OTICON A/S

Inventor： Michael Smed KRISTENSEN ,  Michael Syskind PEDERSEN ,  Thomas KAULBERG

IPC: H04R25/00

CPC classification number: H04R25/30 ,  H04R25/305 ,  H04R25/453 ,  H04R25/554 ,  H04R25/558 ,  H04R2460/15

Abstract: A method detects whether an ear mould of a listening device is correctly mounted in the ear of a user. An indication of whether or not a mould of a listening device is correctly mounted in an ear canal of a user is provided. The method comprises a) providing a long term estimate of the feedback path; b) providing an estimate of the current feedback path; c) comparing the long term feedback path estimate with the current feedback path estimate, and providing a measure of their difference, termed the feedback difference measure FBDM; and optionally d) providing an alarm indication, if the feedback difference measure exceeds a predefined threshold.

Abstract translation: 一种方法检测听音装置的耳模是否正确地安装在用户的耳朵中。 提供了一种听力装置的模具是否被正确地安装在使用者的耳道中的指示。 该方法包括：a）提供反馈路径的长期估计; b）提供当前反馈路径的估计; c）将长期反馈路径估计与当前反馈路径估计进行比较，并提供其差异的度量，称为反馈差分测量FBDM; 并且可选地，d）如果反馈差异度量超过预定阈值，则提供报警指示。

公开(公告)号：US20230056617A1

公开(公告)日：2023-02-23

申请号：US17981648

申请日：2022-11-07

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

IPC: H04R25/00 ,  G06N3/063 ,  G10L15/08 ,  G10L17/00

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.

公开(公告)号：US20220124444A1

公开(公告)日：2022-04-21

申请号：US17562612

申请日：2021-12-27

Applicant: Oticon A/S

Inventor： Asger Heidemann ANDERSEN ,  Jesper JENSEN ,  Michael Syskind PEDERSEN ,  Nels Hede ROHDE ,  Anders Brødløs OLSEN ,  Michael Smed KRISTENSEN ,  Thomas BENTSEN ,  Andreas Thelander BERTELSEN

IPC: H04R25/00

Abstract: A hearing device, e.g. a hearing aid, is 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 hearing device comprises a) an input unit for providing at least one electric input signal in a time frequency representation k, m, where k and m are frequency and time indices, respectively, and k represents a frequency channel, the at least one electric input signal being representative of sound and comprising target signal components and noise components; and b) a signal processor comprising b1) a target signal estimator for providing an estimate of the target signal; b2) a noise estimator for providing an estimate of the noise; b3) a gain estimator for providing respective gain values in said time frequency representation in dependence of said target signal estimate and said noise estimate, wherein said gain estimator comprises a neural network, wherein the weights of the neural network have been trained with a plurality of training signals, and wherein the outputs of the neural network comprise real or complex valued gains, or separate real valued gains and real valued phases. The invention may e.g. be used in audio devices, such as hearing aids, headsets, mobile telephones, etc., operating in noisy acoustic environments.

公开(公告)号：US20160249139A1

公开(公告)日：2016-08-25

申请号：US15052308

申请日：2016-02-24

Applicant: Oticon A/S

Inventor： Michael Smed KRISTENSEN ,  Anders MENG ,  Steen Michael MUNK

IPC: H04R25/00

CPC classification number: H04R25/505 ,  H04R25/305 ,  H04R25/453 ,  H04R25/552 ,  H04R2460/03

Abstract: The application relates to a hearing device comprising a) a forward path between an input transducer for converting an input sound to an electric input signal and an output transducer for converting an electric output signal to an output sound, the forward path comprising a signal processing unit for applying a level and/or frequency dependent gain to the electric input signal or a signal originating therefrom and for providing a processed signal, and feeding the processed signal or a signal originating therefrom to the output transducer, an acoustic feedback path being defined from said output transducer to said input transducer; b) a configurable anti-feedback system comprising a feedback estimation unit for providing an estimate of said acoustic feedback path; c) a number of detectors, each providing a detector signal for characterizing a signal of the forward path. The object of the present application is to save power in a hearing device. The problem is solved in that the hearing device further comprises an activation control unit configured to control the anti-feedback system based on said detector signals, and to bring the anti-feedback system into one of at least two predefined modes based on said detector signals, said at least two predefined modes comprising an ON-mode and an OFF-mode. The invention may e.g. be used in hearing aids, headsets, ear phones, active ear protection systems, or similar portable devices, where a need for feedback cancellation and low power consumption is important.

Abstract translation: 本申请涉及一种听力装置，其包括：a）用于将输入声音转换为电输入信号的输入换能器和用于将电输出信号转换为输出声音的输出换能器之间的前进路径，所述前进路径包括信号处理单元 用于对电输入信号或从其产生的信号应用电平和/或频率相关增益，并且用于提供经处理的信号，以及将经处理的信号或源自其的信号馈送到输出换能器，声反馈路径从所述 输出换能器到所述输入换能器; b）可配置抗反馈系统，包括用于提供所述声反馈路径的估计的反馈估计单元; c）多个检测器，每个检测器提供用于表征前进路径的信号的检测器信号。 本申请的目的在于节省听力设备的电力。 解决的问题在于，听力设备还包括激活控制单元，其被配置为基于所述检测器信号来控制反馈反馈系统，并且基于所述检测器信号使反反馈系统进入至少两个预定模式之一 所述至少两个预定模式包括ON模式和OFF模式。 本发明可以例如 用于助听器，耳机，耳机，主动耳朵保护系统或类似的便携式设备，其中需要反馈消除和低功耗是重要的。

公开(公告)号：US20250030994A1

公开(公告)日：2025-01-23

申请号：US18909364

申请日：2024-10-08

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

IPC: H04R25/00 ,  G06N3/063 ,  G10L15/08 ,  G10L17/00

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.