Reducing the impact of wind noise on cochlear implant processors with two microphones | Zendy

Kostas Kokkinakis | Zendy; Casey Cox | Zendy

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Reducing the impact of wind noise on cochlear implant processors with two microphones

Author(s) -

Kostas Kokkinakis,

Casey Cox

Publication year - 2014

Publication title -

the journal of the acoustical society of america

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.619

H-Index - 187

eISSN - 1520-8524

pISSN - 0001-4966

DOI - 10.1121/1.4871583

Subject(s) - microphone , acoustics , cochlear implant , intelligibility (philosophy) , audiology , noise (video) , environmental science , sound pressure , computer science , medicine , physics , philosophy , epistemology , artificial intelligence , image (mathematics)

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.

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