Download 13th International Conference on Cochlear Implants and Other

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An industry first: Wind noise reduction for Nucleus® 6 cochlear implant recipients
Nel E. , Case S.
Cochlear Limited, Sydney, Australia
Aim: Wind-noise is highly disturbing to hearing-impaired individuals, including Cochlear Implant recipients. Wind
noise has a typically intense low-frequency spectrum that significantly reduces SNR resulting in reduced speech
intelligibility and comfort for the listener. A new Nucleus 6 sound processor algorithm called wind noise reduction
(WNR) will detect and cancel wind noise. The aim of this study was to evaluate the performance of CI recipients
when WNR is active.
Material and methods: Up to 25 subjects were evaluated during an acute in-booth test session. Wind was
created in the sound booth and recipients were tested with an adaptive SRT test in noise.
Results: Speech performance results in wind with different Nucleus 6 program settings, including WNR enabled
and disabled were collected. Recipients also judged the subjective comfort of different programs in wind.
Conclusions: The Nucleus 6 WNR algorithm successfully detects and suppresses wind noise providing benefit
for CI recipients outdoors.