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公开(公告)号：US20240348994A1
公开(公告)日：2024-10-17
申请号：US18632844
申请日：2024-04-11
CPC分类号： H04R25/507 , H04R3/005 , H04R25/453 , H04R25/558 , H04R2225/023
摘要： Disclosed herein, among other things, are apparatus and methods for neural network-driven feedback cancellation for hearing assistance devices. Various embodiments include a method of signal processing an input signal in a hearing assistance device to mitigate entrainment, the hearing assistance device including a receiver and a microphone. The method includes performing neural network processing to identify acoustic features in a plurality of audio signals and predict target outputs for the plurality of audio signals, and using the trained neural network to control acoustic feedback cancellation of the input signal.
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公开(公告)号：US20240007800A1
公开(公告)日：2024-01-04
申请号：US18347979
申请日：2023-07-06
发明人： Kelly Fitz , Tao Zhang , Buye Xu , Mohammad Abdollahi
CPC分类号： H04R25/353 , H04R25/507 , G10L25/84 , H04R25/55 , G06N3/08 , H04R2225/021 , H04R2225/023 , H04R2225/025
摘要： Disclosed herein, among other things, are apparatus and methods for neural network-driven frequency translation for hearing assistance devices. Various embodiments include a method of signal processing an input signal in a hearing assistance device, the hearing assistance device including a receiver and a microphone. The method includes performing neural network processing to train a processor to identify acoustic features in a plurality of audio signals and predict target outputs for the plurality of audio signals, and using the trained processor to control frequency translation of the input signal.
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公开(公告)号：US11785396B2
公开(公告)日：2023-10-10
申请号：US15857232
申请日：2017-12-28
发明人： Tao Zhang , Dean G. Meyer , Kelly R. Fitz , Ulrike Axen
IPC分类号： H04R25/00
CPC分类号： H04R25/505 , H04R25/305 , H04R25/554 , H04R25/70 , H04R2225/39 , H04R2225/41 , H04R2225/55
摘要： An Internet-connected system and method for adapting a hearing configuration in a smart environment includes a hearing system including a hearing device. The hearing system connects to the Internet and transmits or receives an identification parameter corresponding to the hearing system. The hearing system receives a hearing program parameter over the Internet for configuring the hearing device when the hearing system is within a smart environment defined by a smart space system. The hearing program parameter computed is based on an environmental parameter measured within the smart environment by a sensor system of the smart space system. The hearing program parameter is sent to the hearing system over the Internet in response to a discovery system of the smart space system detecting the presence of the hearing system in the smart environment in response to receiving the identification parameter. The hearing device is programmed based on the hearing program parameter.
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公开(公告)号：US11363390B2
公开(公告)日：2022-06-14
申请号：US17074144
申请日：2020-10-19
发明人： Joao Felipe Santos , Tao Zhang , Yan Zhao , Buye Xu , Ritwik Giri
摘要： A method, comprising receiving at least one sound at an electronic device. The at least one sound is enhanced for the at least one user based on a compound metric. The compound metric is calculated using at least two sound metrics selected from an engineering metric, a perceptual metric, and a physiological metric. The engineering metric comprises a difference between an output signal and a desired signal. At least one of the perceptual metric and the physiological metric is based at least in part on input sensed from the at least one user in response to the received at least one sound.
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公开(公告)号：US20210274292A1
公开(公告)日：2021-09-02
申请号：US16332439
申请日：2017-09-15
发明人： Jeffrey P. Solum , Tao Zhang , Dean G. Meyer
摘要： Various embodiments of a hearing device including an image sensor are disclosed. The hearing device can include a housing, a user sensory interface connected to the housing, an image sensor connected to the housing, and an acoustic sensor connected to the housing. The device can also include a processor that is adapted to process image data from the image sensor to identify an image object, process acoustic data from the acoustic sensor, and determine a spatial location of the image object based upon at least one of the processed image data and the processed acoustic data. The processor can also be adapted to provide the spatial location to the user sensory interface, which can provide a sensory stimulus to the user that is representative of the spatial location of the image object.
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公开(公告)号：US11019433B2
公开(公告)日：2021-05-25
申请号：US16605518
申请日：2018-04-20
发明人： Wenqiang Pu , Jinjun Xiao , Tao Zhang , Zhiquan Luo
IPC分类号： H04R25/00 , G10L21/0216
摘要： Disclosed is a beam former, comprising: an apparatus for receiving a plurality of input signals; an apparatus for optimizing a mathematical model and solving an algorithm, which obtains a beam forming weight coefficient for carrying out linear combination on the plurality of input signals; and an apparatus for generating an output signal to the beam forming weight coefficient and the plurality of input signals.
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公开(公告)号：US20210144494A1
公开(公告)日：2021-05-13
申请号：US16332437
申请日：2017-09-12
发明人： Ritwik Giri , Fred Mustiere , Tao Zhang
IPC分类号： H04R25/00
摘要： A system and method of determining a filter to cancel feedback signals from input signals in a hearing assistance device includes determining feedback signals for a plurality of feedback paths associated with the device, and determining a model of the plurality of feedback paths, with the model having an invariant portion and a time varying portion. A probable structure of the invariant portion is determined to generate a structural constraint to constrain the plurality of feedback paths, and probability distributions to impose the structural constraint on the invariant portion are determined. During an iterative process, the invariant portion is iteratively determined using the determined probability distributions and the feedback path measurements. A measurement noise variance representative of model mismatch is updated, for each iteration, to reduce a probability of a non-desirable determination of an invariant filter, and the invariant filter is determined in response to a criterion for ending the iterative process being satisfied.
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公开(公告)号：US10674465B2
公开(公告)日：2020-06-02
申请号：US16173449
申请日：2018-10-29
摘要： A hearing assistance system including a hearing instrument designated as a master device and at least another hearing instrument designated as a slave device. The master device is communicatively coupled to the slave device via a wireless link. The master device has a master clock and generates master time stamps for specified events timed by the master clock. The master time stamps are sent to the slave device via the wireless link. The slave device has a slave clock and generates slave time stamps for specified events timed by the slave clock. The slave clock is adjusted for synchronization to the master clock using the master time stamps and the slave time stamps.
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公开(公告)号：US20190132812A1
公开(公告)日：2019-05-02
申请号：US16173449
申请日：2018-10-29
CPC分类号： H04W56/0015 , G06F1/12 , H04J3/0664 , H04J3/0697 , H04R25/405 , H04R25/552 , H04R25/554 , H04R2225/55 , H04W56/005 , H04W84/20
摘要： A hearing assistance system including a hearing instrument designated as a master device and at least another hearing instrument designated as a slave device. The master device is communicatively coupled to the slave device via a wireless link. The master device has a master clock and generates master time stamps for specified events timed by the master clock. The master time stamps are sent to the slave device via the wireless link. The slave device has a slave clock and generates slave time stamps for specified events timed by the slave clock. The slave clock is adjusted for synchronization to the master clock using the master time stamps and the slave time stamps.
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10.发明授权公开(公告)号：US10244333B2
公开(公告)日：2019-03-26
申请号：US15174027
申请日：2016-06-06
IPC分类号： G10L21/0208 , H04R1/10 , H04R3/00 , H04R25/00
摘要： A hearing system includes a pair of first and second hearing devices wirelessly coupled to a remote device that includes a microphone. One or more gains can each be calculated as a function of a first microphone signal received from the first hearing device, a second microphone signal received from the second hearing device, and a remote microphone signal received from the remote device. The function can be designed to improve speech intelligibility in a noisy environment. The one or more gains are applied to the first and second microphone signals to produce output sounds by the first and second hearing devices.
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