Sound processor for a cochlear implant
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United States of America Patent
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Jul 21, 2015
Grant Date -
Oct 19, 2006
app pub date -
Jun 15, 2006
filing date -
Jun 19, 2000
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Abstract
The sound processor and method uses a model of basilar membrane motion to select stimuli, based upon the predicted motion which the acoustic signal presented would produce in an acoustically excited normally hearing cochlea. The filter; used, in contrast to single channel per electrode approaches, cover multiple channels and overlap with each other. Consequently the stimuli presented produce a neural excitation pattern which approximates the spatio-temporal travelling wave observed on the basilar membrane in an acoustically excited normally hearing cochlea. Preferably, the predicted electrode stimuli are based upon the instantaneous predicted amplitude of the electrode location.
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