Implantable microphones as an alternative to external microphones for cochlear implants.

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Implantable microphones as an alternative to external microphones for cochlear implants.

Cochlear Implants Int. 2017 Sep 11;:1-10

Authors: Mitchell-Innes A, Morse R, Irving R, Begg P

Abstract
Totally implantable cochlear implants may be able to address many of the problems cochlear implant users have around cosmetic appearances, discomfort, and restriction of activities. The major technological challenges that need to be solved to develop a totally implantable device relate to implanted microphone performance. Previous attempts at implanting microphones for cochlear implants have not performed as well as conventional cochlear implant microphones, and in addition have struggled with extraneous body or surface contact noise. Microphones can be implanted under the skin or act as sensors in the middle ear; however, evidence from middle ear implants suggest body and contact noise can be overcome by converting ossicular chain movements into digital signals. This article reviews implantable microphone systems and discusses the technology behind them.

PMID: 28889786 [PubMed - as supplied by publisher]

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