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Reducing the impact of wind noise on cochlear implant processors with two microphones
Kokkinakis, Kostas ; Cox, Casey
Kokkinakis, Kostas
Cox, Casey
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Abstract
Behind-the-ear (BTE) processors of cochlear implant (CI) devices offer little to almost no protection from wind noise in most incidence angles. To assess speech intelligibility, eight CI recipients were tested in 3 and 9 m/s wind. Results indicated that speech intelligibility decreased substantially when the wind velocity, and in turn the wind sound pressure level, increased. A two-microphone wind noise suppression strategy was developed. Scores obtained with this strategy indicated substantial gains in speech intelligibility over other conventional noise reduction strategies tested.
Description
This is the published version, also available here: http://dx.doi.org/10.1121/1.4871583.
Date
2014-04-02
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Publisher
Acoustical Society of America
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Research Projects
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Keywords
Microphones, Aerodynamic noise, Speech, Cochlear implants, Sound Pressure
Citation
Kokkinakis, Kostas & Cox, Casey. "Reducing the impact of wind noise on cochlear implant processors with two microphones." J. Acoust. Soc. Am. 135, EL219 (2014); http://dx.doi.org/10.1121/1.4871583.