Gn Resound A/s

Almer Jacob Van Den Berg

Alexander Ypma

Andrew Dittberner

Aalbert De Vries

Rob De Vries

A hearing aid includes a first microphone for providing a first audio input signal, a second microphone for providing a second audio input signal, a signal processor configured for generating a hearing loss compensated audio output signal based at least in part on the audio input signals, and a receiver for converting the audio output signal into an output sound signal, wherein the signal processor is configured to perform directional processing, based on the first and second audio input signals, in a first frequency range and substantially omni-directional processing in a second frequency range, at least a part of the first frequency range being higher than the second frequency range, and wherein a lower cutoff frequency of the first frequency range is adjustable.

Hearing aid with beamforming capability

In a hearing aid with a signal processor for signal processing in accordance with selected values of a set of parameters &#x398;, a method of automatic adjustment of a set z of the signal processing parameters &#x398;, using a set of learning parameters &#x3b8; of the signal processing parameters &#x398; is provided, wherein the method includes extracting signal features u of a signal in the hearing aid, recording a measure r of an adjustment e made by the user of the hearing aid, modifying z by the equation z=u&#x3b8;+r, and absorbing the user adjustment e in &#x3b8; by the equation &#x3b8;=&#x3a6;(u,r)+&#x3b8;, wherein &#x3b8;is the new values of the learning parameter set &#x3b8;, &#x3b8;is the previous values of the learning parameter set &#x3b8;, and &#x3a6; is a function of the signal features u and the recorded adjustment measure r.

Learning control of hearing aid parameter settings

The present invention relates to a method for automatic adjustment of signal processing parameters in a hearing aid. It is based on an interactive estimation process that incorporates user feedback. The method is capable of incorporating user perception of sound reproduction, such as sound quality over time. The user may fine-tune the hearing aid using a volume-control wheel or a push-button on the hearing aid housing, which is linked to an adaptive parameter that is a projection of a relevant parameter space. For example, this new parameter could control simple volume, the number of active microphones, or a complex trade-off between noise reduction and signal distortion. By turning the 'personalization wheel' in accordance with user preferences and absorbing these preferences in the model resident in the hearing aid, it is possible to absorb user preferences while the user wears the hearing aid device in the field.

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Eindhoven, Netherlands

Almer Jacob Van Den Berg