An adaptive noise canceller for hearing aids using two nearby microphones
作者:
Jeff Vanden Berghe,
Jan Wouters,
期刊:
The Journal of the Acoustical Society of America
(AIP Available online 1998)
卷期:
Volume 103,
issue 6
页码: 3621-3626
ISSN:0001-4966
年代: 1998
DOI:10.1121/1.423066
出版商: Acoustical Society of America
数据来源: AIP
摘要:
An adaptive noise cancellation scheme based on two-stage adaptive filtering as proposed by Van Compernolle [Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing(IEEE, New York, 1990)] was tested for two identical directional microphones mounted in an endfire configuration within a single behind-the-ear (BTE) hearing aid. Speech intelligibility tests were carried out with two normal hearing subjects and three hearing aid users with moderate hearing losses, in a realistic test environment using open set words and sentences. A significant improvement, on average more than 5 dB, of speech reception threshold (SRT) in background noise was obtained.
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