Cochlear implant stimulation with low frequency channel privilege

US8948877B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8948877-B2
Application numberUS-201314017644-A
CountryUS
Kind codeB2
Filing dateSep 4, 2013
Priority dateMar 8, 2004
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

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Abstract

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A system and method for activating stimulation electrodes in cochlear implant electrode is described. A preprocessor filter bank is configured to process an input acoustic audio signal to generate band pass signals that each represent an associated band of audio frequencies. An information extractor is configured to extract stimulation signal information from the band pass signals based on assigning the band pass signals to corresponding electrode stimulation groups that each contain one or more stimulation electrodes, and generates a set of stimulation event signals for each electrode stimulation group that define electrode stimulation timings and amplitudes. A pulse selector is configured to select a set of electrode stimulation signals from the stimulation event signals based on a pulse weighting function that uses channel-specific weighting factors favoring lower frequencies for activating the stimulation electrodes to stimulate neighboring audio nerve tissue.

First claim

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What is claimed is: 1. A method of activating stimulation electrodes in a cochlear implant electrode, the method comprising: processing an input acoustic audio signal to generate a plurality of band pass signals each representing an associated band of audio frequencies; extracting stimulation signal information from the band pass signals based on assigning the band pass signals to a plurality of electrode stimulation groups each containing one or more stimulation electrodes, and…

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What does patent US8948877B2 cover?
A system and method for activating stimulation electrodes in cochlear implant electrode is described. A preprocessor filter bank is configured to process an input acoustic audio signal to generate band pass signals that each represent an associated band of audio frequencies. An information extractor is configured to extract stimulation signal information from the band pass signals based on assi…
Who is the assignee on this patent?
Med El Elektromed Geraete Gmbh
What technology area does this patent fall under?
Primary CPC classification A61N1/36038. Mapped technology areas include Human Necessities.
When was this patent published?
Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).