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Title: Sound localization with and without hearing aids
Authors: Van den Bogaert, Tim ×
Carette, Evelyne
Wouters, Jan #
Issue Date: 30-Mar-2009
Host Document: NAG-DAGA International Conference on Acoustics pages:1-4
Conference: NAG-DAGA International Conference on Acoustics location:Rotterdam date:23-26 march 2009
Abstract: Building a realistic spatial auditory representation of our surrounding environment is an
important task of our auditory system. This allows us to localize sounds correctly and to
understand speech in adverse listening scenarios. An inaccurate spatial auditory map will
degrade localization and speech perception and will lead to an unnatural perception of
sounds.
The question whether hearing aids transmit enough cues and whether hearing aid users
are able to use these cues to build up a realistic spatial map has been gaining a lot of
interest in the past years. This is partly due to recent technology which enabled binaural
hearing aid designs aiming at preserving binaural localization cues and flexible
microphone configurations which aim at preserving the monaural spectral cues of the
hearing aid user.
In this study normal hearing and hearing impaired subjects were evaluated in different
localization experiments: elevation and front-back discrimination both focusing on the
monaural spectral cues and left-right localization focusing on the binaural cues. The
hearing impaired subjects were tested without and with different types of hearing aids.
Most of the hearing impaired subjects are capable of localizing sounds relatively accurate
in all three dimensions (left-right / front-back / elevation) if the test procedure included a
frequency specific compensation for their hearing impairment. When studying the impact
of hearing aids on localization performance, a difference between the different hearing
aid designs was found. This difference was especially prominent in the front-back and
elevation experiments.
Publication status: published
KU Leuven publication type: IMa
Appears in Collections:Research Group Experimental Oto-rhino-laryngology
Speech Therapy and Audiology Teaching Methodology and Practicals
× corresponding author
# (joint) last author

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DAGA_Localization_abstract.PDFAbstract Published 18KbAdobe PDFView/Open
Sound_Localization.pdfMain Article - conference proceeding Published 199KbAdobe PDFView/Open

 


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