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公开(公告)号：US09432777B2
公开(公告)日：2016-08-30
申请号：US14048883
申请日：2013-10-08
Applicant: OTICON A/S
Inventor： Thomas Lunner , Fredrik Gustafsson
CPC classification number: H04R25/50 , A61B5/0484 , A61B5/04845 , A61B5/121 , A61B5/68 , A61B5/6815 , A61N1/0541 , G06F3/015 , H04R25/70 , H04R2225/41
Abstract: A hearing device is adapted to be arranged on or at least partly implanted in an individual's head and comprises: an input unit providing an input audio signal; a signal processing circuit adapted to process the input audio signal; an output unit adapted to provide an audible signal to the individual; one or more electrodes adapted to detect electric brain potentials of the individual; and a brainwave measurement circuit adapted to determine one or more EEG signals from electric signals received from the one or more electrodes. The hearing device further comprises: a first spectrum analyzer determining first audio spectra; a reconstructor adapted to repeatedly reconstruct second audio spectra; a first correlator to determine coherence between the first and the second audio spectra; and a control unit adapted to alter said processing in dependence on the coherence.
Abstract translation: 听力装置适于布置在个人的头上或至少部分地植入个人的头部，并且包括：提供输入音频信号的输入单元; 适于处理输入音频信号的信号处理电路; 输出单元，适于向个人提供可听见的信号; 适于检测个体的电脑电位的一个或多个电极; 以及脑波测量电路，其适于从从所述一个或多个电极接收的电信号中确定一个或多个EEG信号。 听力装置还包括：第一频谱分析仪，其确定第一音频谱; 重建器，适于重复地重构第二音频谱; 第一相关器，用于确定第一和第二音频频谱之间的相干性; 以及控制单元，其适于根据所述一致性改变所述处理。
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Patent Agency Ranking
公开(公告)号：US10820121B2
公开(公告)日：2020-10-27
申请号：US16210365
申请日：2018-12-05
Applicant: Oticon A/S
Inventor： Thomas Lunner , Martin Skoglund , Fredrik Gustafsson
Abstract: A hearing system comprises a hearing device, e.g. a hearing aid, and is adapted for being worn by a user, the hearing system comprising a) an audio input unit configured to receive a multitude of audio signals comprising sound from a number of localized sound sources in an environment around the user, and b) a sensor unit configured to receive and/or provide sensor signals from one or more sensors, said one or more sensors being located in said environment and/or form part of said hearing system, and c) a first processor configured to generate and update over time data representative of a map of said environment of the user, said data being termed map data, said environment comprising a number of, stationary or mobile, landmarks, said landmarks comprising said number of localized sound sources, and said map data being representative of the physical location of said landmarks in the environment relative to the user, wherein the hearing system is configured to, preferably continuously, generate and update over time said map data based on said audio signals and said sensor signals. The invention further comprises a method.
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公开(公告)号：US20190174237A1
公开(公告)日：2019-06-06
申请号：US16210365
申请日：2018-12-05
Applicant: Oticon A/S
Inventor： Thomas Lunner , Martin Skoglund , Fredrik Gustafsson
CPC classification number: H04R25/43 , A61N1/36038 , G02C11/06 , G06F1/163 , G06F3/011 , G06F3/013 , G06F3/015 , H04R1/1041 , H04R1/1083 , H04R5/027 , H04R5/04 , H04R25/407 , H04R25/552 , H04R25/554 , H04R25/606 , H04R2225/39 , H04R2225/55 , H04R2225/61 , H04R2430/20 , H04R2460/07
Abstract: A hearing system comprises a hearing device, e.g. a hearing aid, and is adapted for being worn by a user, the hearing system comprising a) an audio input unit configured to receive a multitude of audio signals comprising sound from a number of localized sound sources in an environment around the user, and b) a sensor unit configured to receive and/or provide sensor signals from one or more sensors, said one or more sensors being located in said environment and/or form part of said hearing system, and c) a first processor configured to generate and update over time data representative of a map of said environment of the user, said data being termed map data, said environment comprising a number of, stationary or mobile, landmarks, said landmarks comprising said number of localized sound sources, and said map data being representative of the physical location of said landmarks in the environment relative to the user, wherein the hearing system is configured to, preferably continuously, generate and update over time said map data based on said audio signals and said sensor signals. The invention further comprises a method.
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公开(公告)号：US10945079B2
公开(公告)日：2021-03-09
申请号：US16171976
申请日：2018-10-26
Applicant: Oticon A/S
Inventor： Martin Skoglund , Thomas Lunner , Fredrik Gustafsson
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.
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公开(公告)号：US10362414B2
公开(公告)日：2019-07-23
申请号：US15645606
申请日：2017-07-10
Applicant: Oticon A/S
Inventor： Thomas Lunner , Fredrik Gustafsson , Carina Graversen , Emina Alickovic
IPC: H04R25/00 , A61N1/36 , A61B5/0476 , A61F11/06 , H04R1/10
Abstract: A hearing assistance system comprises an input unit for providing electric input sound signals ui, each representing sound signals Ui from a multitude nu of sound sources Si, an electroencephalography (EEG) system for recording activity of the auditory system of the user's brain and providing a multitude ny of EEG signals yj, and a source selection processing unit receiving said electric input sound signals ui and said EEG signals yj, and in dependence thereof configured to provide a source selection signal Ŝx indicative of the sound source Sx that the user currently pays attention to using a selective algorithm that determines a sparse model to select the most relevant EEG electrodes and time intervals based on minimizing a cost function measuring the correlation between the individual sound sources and the EEG signals, and to determine the source selection signal Ŝx based on the cost functions obtained for said multitude of sound sources.
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公开(公告)号：US10321241B2
公开(公告)日：2019-06-11
申请号：US15643074
申请日：2017-07-06
Applicant: Oticon A/S
Inventor： Thomas Lunner , Fredrik Gustafsson , David Lindgren , Gustaf Hendeby
IPC: H04R25/00 , G10L21/0216
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.
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