A binaural auditory steering strategy based hearing-aid algorithm design

A binaural auditory steering strategy based hearing-aid algorithm design

Beamforming techniques are widely used in hearing aids to enhance the intelligibility of speech from a target direction, but they tend to isolate the listener from their acoustic environment and distort spatial cues. The main reason for this is that a typical beamformer method alters the head-relate...

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Veröffentlicht in:The Journal of the Acoustical Society of America 2018-06, Vol.143 (6), p.EL490-EL495
Hauptverfasser: Piechowiak, Tobias, Ma, Changxue, de Vries, Rob, Dittberner, Andrew
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container_issue 6
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container_title The Journal of the Acoustical Society of America
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creator Piechowiak, Tobias
Ma, Changxue
de Vries, Rob
Dittberner, Andrew
description Beamforming techniques are widely used in hearing aids to enhance the intelligibility of speech from a target direction, but they tend to isolate the listener from their acoustic environment and distort spatial cues. The main reason for this is that a typical beamformer method alters the head-related transfer function of the individual users' ears and functions under monaural assumptions instead of a binaural model. In this letter, a binaural auditory steering strategy (BASS) is proposed for the design of asymmetrically presented spatial filters which improves awareness of the surrounding acoustic environment while preserving intelligibility from a target direction. Additionally, an objective metric and the results of a subjective study to evaluate the effectiveness of the BASS are presented.
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title A binaural auditory steering strategy based hearing-aid algorithm design
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