Oticon A/S Patente

A hearing aid comprising a beamformer equivalent with single-channel filtering (FB2C, BF1, GU, DIS) is presented. The disclosure may be used for noise reduction. The hearing aid comprises a) an input unit (IU) providing at a primary electric input signal (x1 (k,n)), b) a frequency band to channel unit (FB2C) providing a first secondary electric signal (x̃1 (k̃,n)) based on the primary electric input signal (x1 (k, n)), c) a wireless receiver (WR) allowing to establish a wireless link with at least another device and receiving at least a second secondary electric signal (x̃2 (k̃, n)), d) a first signal provider (SP1) for providing an output of the first signal provider based on the first secondary electric signal (x̃1 (k̃,n)) and the second secondary electric signal (x̃2 (k̃,n)), e) a second signal provider (SP2) for providing an output of the second signal provider, f) a distribution unit (DIS) distributing the input of the distribution unit, g) a processor providing a noise reduced electric signal (y1 (k,n)), and h) an output unit (OU) for providing a stimulus for being presented as an acoustic signal to the user of the hearing aid.

In an aspect of the present disclosure, a hearing aid system comprises a first hearing aid and a second hearing aid, both configured for wireless communication. The first hearing aid comprises a first input unit providing a first electrical audio input signal, and a first noise reduction system comprising a first noise reduction parameter to attenuate noise and providing a first processed signal, and a first motion sensor for providing a first motion bias, and a first conversation detector for providing a first conversation parameter indicative of conversation likelihood, and a first output unit for providing a first audible output signal based on the first processed signal. The second hearing aid comprises a second input unit providing a second electrical audio input signal, and a second noise reduction system with a second noise reduction parameter to attenuate noise and providing a second processed signal, and a second conversation detector for providing a second conversation parameter indicative of conversation likelihood, and a second output unit for providing a second audible output signal based on the second processed signal. The first noise reduction parameter is determined based on the first motion bias and the first and/or second conversation parameters. The second noise reduction parameter is determined based on the first motion bias and/or the second conversation parameter.

Disclosed are embodiments of a hearing aid. The hearing aid comprises an input unit configured to provide a first digitized signal associated with a first sampling rate and a second digitized signal associated with a second sampling rate. The first digitized signal comprises a plurality of first frames including a first primary frame. The second digitized signal comprises a plurality of second frames including a second primary frame. The first sampling rate is different from the second sampling rate such that the time duration of the first primary frame is the same as the time duration of the second primary frame. The hearing aid comprises a signal processing unit configured determine a processed signal based on the first digitized input signal and the second digitized input signal. The hearing aid comprises an output unit configured to output, based on the processed signal, an audible signal to the user wearing the hearing aid.

A hearing aid comprising a housing. The housing comprises a first substrate comprising a slot antenna configured to transmit and/or receive wireless signals, a second substrate electrically connected to the power source, and a connecting section electrically connecting the first substrate to the power source via the second substrate. The connecting section comprises a feed line for feeding the slot antenna.

Disclosed are embodiments of a hearing aid. The hearing aid comprises an input unit comprising a plurality of microphones configured to provide a corresponding plurality of electrical input signals representing a sound affected by an ultrasound in an environment of the hearing aid. The ultrasound is characterized by an ultrasound frequency. Each of the plurality of electrical input signals is provided in a digitized form. The plurality of microphones is configured to have different sensitivities towards the ultrasound frequency. The hearing aid comprises an ultrasound processing unit in communication with the input unit. The ultrasound processing unit is configured to receive the plurality of electrical input signals. The ultrasound processing unit is configured to determine, based on the different sensitivities towards the ultrasound frequency, an ultrasound processed signal. The hearing aid comprises an output unit configured to output, based on the ultrasound processed signal, an audible signal to the user wearing the hearing aid.

A hearing aid is provided. The hearing aid comprises an input unit. The input unit is configured to provide a first frequency-domain signal comprising a plurality of first frequency components associated with a first frequency range. A first primary frequency range is a subset of the first frequency range. The first primary frequency range of the first frequency-domain signal comprises one or more first aliasing artefact frequency components. Each of the one or more first aliasing artefact frequency components is indicative of a frequency component of the plurality of first frequency components including a first aliasing artefact. The input unit is configured to provide a second frequency-domain signal comprising a plurality of second frequency components associated with the first primary frequency range. The second frequency-domain signal comprises one or more second aliasing artefact frequency components. Each of the one or more second aliasing artefact frequency components is indicative of a frequency component of the plurality of second frequency components including a second aliasing artefact. The hearing aid comprises a signal processing unit configured to determine an aliasing artefact reduced signal based on the first frequency domain signal, the second frequency domain signal, the one or more first aliasing artefact frequency components and the one or more second aliasing artefact frequency components. The hearing aid comprises an output unit configured to output, based on the aliasing artefact reduced signal, an audible signal to the user wearing the hearing aid.

A hearing aid is provided. The hearing aid comprises an input unit. The input unit is configured to provide a first frequency domain signal comprising a plurality of first frequency components associated with a first frequency range. The first frequency range comprises a first primary frequency range and a first secondary frequency range. The first frequency-domain signal comprises one or more first aliasing artefact frequency components. The first secondary frequency range of the first frequency domain signal comprises at least one first secondary aliasing frequency component of the one or more first aliasing frequency components. Each of the one or more first aliasing artefact frequency components is indicative of a frequency component of the plurality of first frequency components including a first aliasing artefact. The input unit is configured to provide a second frequency-domain signal comprising a plurality of second frequency components associated with the first primary frequency range. The second frequency domain signal comprises one or more second aliasing artefact frequency components. Each of the one or more second aliasing artefact frequency components is indicative of a frequency component of the plurality of second frequency components including a second aliasing artefact. The hearing aid comprises a signal processing unit configured to determine an aliasing artefact reduced signal based on the first primary frequency range of the first frequency domain signal, the second frequency domain signal, and the one or more second aliasing artefact frequency components. The hearing aid comprises an output unit configured to output, based on the aliasing artefact reduced signal, an audible signal to the user wearing the hearing aid.

An ear lock for maintaining an output transducer of a hearing aid in a user's ear canal, the ear lock comprising a body comprising an aperture extending along a longitudinal axis of the body, the body configured to receive an output transducer of a hearing aid within the aperture, wherein the body is formed from an elastic material; a first extension attached to the body on a first side of the body and extending away from the body, wherein the first extension is configured to abut a first surface of the ear canal; and a second extension attached to the body on a second side of the body and extending away from the body, wherein the second extension is configured to abut a second surface of the ear canal.

A hearing aid configured to be worn by a user at or in an ear of the user, comprises • an ITE-part adapted for being located at or in an ear canal of the user; • at least one first input transducer configured to provide corresponding at least one first electric input signal representing sound; • a hearing aid processor configured to provide a processed signal in dependence of said at least one electric input signal; • a first output transducer configured to play sound to the user in dependence of said processed signal, or a signal dependent thereon; • an active occlusion cancellation system (AOCS) for providing an acoustic anti-occlusion signal configured to cancel or diminish a sense of occlusion of the user when the user is speaking, or otherwise is using his or her voice, or when otherwise moving the jaws; wherein the active occlusion cancellation system comprises • an ear canal input transducer located in said ITE-part and configured to provide an electric ear canal input signal representing sound in said ear canal, when the user wears the hearing aid; • an ear canal sound estimation unit (ECSE) configured to estimate sound in said ear canal and to provide an electric anti-occlusion signal in dependence of said electric ear canal input signal and said processed signal; and • a second output transducer located in said ITE-part configured to play sound to the user and to provide said acoustic anti-occlusion signal in dependence of said electric anti-occlusion signal, wherein said second output transducer is specifically adapted to provide sound at frequencies below a threshold frequency. A method of operating a hearing aid is further disclosed.

ABSTRACT A method for monitoring social isolation of a user, the method comprising the following steps: - obtaining, via a hearing aid device, at least one data element about the user or the user environment, - obtaining a social engagement score based on the at least one data element, the social engagement score indicating how much the user is socially engaged, - emitting an alert signal when the social engagement score indicates that the user is socially isolated.

A method of signal enhancing using noise reduction connectivity is disclosed. The invention may e.g. be used in a hearing aid (1). The hearing aid (1) may comprise an input unit (11) for providing an input audio signal indicative of a surrounding of the hearing aid (1); a communication interface (12) for receiving an external signal (4) from an external device (2), wherein the external signal (4) comprises a description of a noise produced by a noisy device in the surrounding of the hearing aid (1); a processor (13) for processing the input audio signal, based on the external signal (4), to provide a noise reduced signal (5); and an output unit (14) for outputting the noise reduced signal (5) to the user (3).

A hearing aid comprising an input unit for receiving an input sound signal from an environment of a hearing aid user and providing at least one electric input signal representing said input sound signal, an output unit for providing at least one set of stimuli perceivable as sound to the hearing aid user based on processed versions of said at least one electric input signal, a processing unit connected to said input unit and to said output unit and comprising signal processing parameters to provide processed versions of said at least one electric input signal, at least one physiological sensor, where the hearing aid is configured to determine a current listening effort of the hearing aid user based on a determined Heart Rate Variability (HRV) of the hearing aid user.

A hearing system comprises at least one hearing aid (HA) configured to be worn by a user at or in an ear of the user, and an external, portable processing device (EPD). The at least one hearing aid comprises a) at least one HA-input transducer for providing at least one HA-electric input signal representing sound in the environment of the hearing aid; b) a configurable noise reduction system for reducing noise in the at least one HA-electric input signal or in a signal originating therefrom based on a resulting set of noise reduction parameters; c) a noise reduction controller configured to determine a local set of noise reduction parameters; and d) a data receiver configured to receive data via a communication link from the external processing device. The external processing device comprises A) at least one EPD-input transducer for providing at least one EPD-electric input signal representing sound in the environment of the external processing device; B) a parameter estimator for providing an external set of noise reduction parameters configured to reduce noise in the at least one EPD-electric input signal, or in the at least one HA-electric input signal, or in a signal originating therefrom; and C) a data transmitter configured to transmit data, including said external set of noise reduction parameters, via said communication link to the hearing aid. The noise reduction controller is configured to determine said resulting set of noise reduction parameters based on said local set of noise reduction parameters, or on said external set of noise reduction parameters, or on a mixture thereof, in dependence of a noise reduction control signal. A hearing aid and a method of operating a hearing system is further disclosed.

A hearing aid is disclosed. The hearing aid comprising an input unit configured to convert a sound in an environment of the hearing aid to an electrical input signal representative of the sound, and a processor configured to obtain a camera signal indicative of the environment, determine, based on the camera signal, a classification of the electrical input signal, and apply, based on the classification, gain and/or attenuation and/or other modification to the electrical input signal for provision of an output signal.

A hearing aid configured to be worn by a user is provided. The hearing aid comprises a wireless receiver unit configured to receive, at least when said hearing aid is in a wireless reception mode, a wireless signal from a transmitter of another device or system, to provide an audio input signal based thereon, and to identify said audio input signal as originating from one of a multitude of different types of audio transmitters. The hearing aid comprises a first noise reduction system for reducing noise in at least one electric input signal picked up from an environment of the user and for providing a noise reduced signal. The hearing aid comprises an own voice detector configured to provide an own voice control signal indicative of whether or not or with what probability the user's own voice is present in said sound from the environment of the user. The hearing aid comprises an input gain controller configured to apply an input gain to the noise reduced signal in dependence of said own voice control signal and said type of audio transmitter.

In a first aspect of the present disclosure, a hearing aid system comprises an input unit. The input unit comprises an input transducer. The input transducer is configured to provide an audio input signal indicative of sound of a sound environment. The hearing aid system comprises a user interface. The user interface is configured to provide a listening difficulty indication based on an interaction with a user. The listening difficulty indication is indicative of the user's listening difficulty in the sound environment. The hearing aid system comprises an auxiliary sound processor. The auxiliary sound processor is configured to provide a simulated audio signal based on the listening difficulty indication and a plurality of acoustic features. The auxiliary sound processor is configured to determine the plurality of acoustic features based on the audio input signal. Each of the plurality of acoustic features is indicative of an acoustic characteristic of the sound environment. The simulated audio signal is a simulation of the sound environment. The hearing aid system comprises a hearing aid processor configured to provide a processed signal based on the simulated audio signal. The hearing aid system comprises an output unit configured to provide an auditory output signal based on the processed signal.

A method of operating a hearing aid, the method comprising receiving a first user input indicative of an activation of scanning for wireless broadcasting sources, activating, based on the first user input, source scanning by the hearing aid for obtaining a plurality of wireless broadcasting sources, assigning each of the plurality of wireless broadcasting sources to a respective program slot of a plurality of program slots; receiving a second user input, and cycling through, based on the second user input, wireless connection with the plurality of program slots having the respective wireless broadcasting sources, wherein the method is performed fully in the hearing aid.

A hearing aid comprising a non-volatile random-access memory, a random-access memory, RAM, and a processor. The processor being configured to initialize the RAM with one or more hearing aid parameters from the NVRAM, update the one or more hearing aid parameters of the RAM during a first operating mode of the hearing aid, and write the updated one or more hearing aid parameters of the RAM to the NVRAM if a condition is met.

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A hearing system comprises a processing device, a hearing aid adapted to be worn by a user, and a data logger. The hearing aid comprises an input transducer providing an electric input signal representing sound in the environment of the user, and a hearing aid processor executing a processing algorithm in dependence of a specific parameter setting. The data logger stores time segments of said electric input signal, and data representing a corresponding user intent. The processing device comprises a simulation model of the hearing aid. The simulation model is based on a learning algorithm configured to provide a specific parameter setting optimized to the user's needs in dependence of a hearing profile of the user, the logged data, and a cost function. A method of determining a parameter setting for a hearing aid is further disclosed.

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