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Diffuse noise listening

A sound source and sound technology, applied in hearing aids, hearing aid signal processing, electrical components, etc., can solve the problems of weakening of the listener's environmental perception, limited influence of the directional system, and insufficient microphones to effectively suppress diffuse noise, etc., to maintain Spatial awareness, optimized performance, effects of diffuse noise reduction

Inactive Publication Date: 2017-08-29
GN HEARING AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The number of microphones in a hearing aid system is often insufficient to effectively suppress diffuse noise
Therefore, directional systems have limited impact on these types of listening situations
Another complaint when applying directionality is that the listener becomes less aware of the environment

Method used

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Embodiment Construction

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Abstract

A hearing aid is provided, comprising: a first microphone system configured for conversion of sound emitted by a sound source into a first audio signal, a first matched filter configured for filtering the first audio signal into a first filtered audio signal, the first matched filter having a first matching transfer function that matches a first transfer function of a first sound propagation path of sound propagating from the sound source to the first microphone system providing the first audio signal, when a user wears the hearing aid, and a hearing loss processor configured to provide a hearing loss compensated output signal that compensates for a hearing loss of the user based at least in part on the first filtered audio signal.

Description

Diffused Noise Listening technical field A new type of hearing aid is provided that reduces diffuse noise while maintaining spatial awareness. Background technique It has been reported that hearing aid users are less able to localize sound sources when wearing their hearing aids than when not wearing their hearing aids. This represents a serious problem for people with mild to moderate hearing loss. Furthermore, hearing aids typically reproduce sound in such a way that the user perceives the sound source as being localized inside the head. Sound is considered internalized, not externalized. When it comes to "speech in noise problems," hearing aid users often complain that it is difficult to understand what is being said, although the signal-to-noise ratio (SNR) is sufficient to provide the desired speech intelligibility. An important reason for this is that hearing aids reproduce an internalized sound field. This increases the cognitive load for the hearing aid user a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R25/00
CPCH04R25/407H04R25/552H04R25/554H04R2225/43H04R25/453H04R2225/49
Inventor K-F·J·格兰
Owner GN HEARING AS
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