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A Cochlear-Implant Processor for Encoding Music and Lowering Stimulation Power

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2 Author(s)
Ji-Jon Sit ; Adv. Bionics, Sylmar ; Sarpeshkar, R.

Cochlear implants (CIs), or bionic ears, restore hearing in profoundly deaf (greater than -90 dB hearing loss) patients. They function by transforming frequency patterns in sound into corresponding spatial electrode-stimulation patterns for the auditory nerve. Over the past 20 years, improvements in sound-processing strategies, in the number of electrodes and channels, and in the rate of stimulation have yielded improved sentence and word recognition scores in patients. Next- generation implants will be fully implanted inside the patient's body. Consequently, power consumption requirements for signal processing will be very stringent.

Published in:

Pervasive Computing, IEEE  (Volume:7 ,  Issue: 1 )

Date of Publication:

Jan.-March 2008

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