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Encoding fine time structure in presence of substantial interaction across an electrode array

  • US 7,277,760 B1
  • Filed: 11/05/2004
  • Issued: 10/02/2007
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
First Claim
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1. A method for reducing effects of decreased resolution in a cochlear implant implanted in an individual, the method comprising:

  • analyzing an incoming sound within a plurality of frequency bands;

    estimating one or more dominant components in each frequency band;

    analyzing the dominant components to determine if any two or more are within a same resolution region, wherein the resolution region of an individual is estimated using a psychophysical method;

    producing a sound signal with a reduced pattern of components by removing at least one of the dominant components within the same resolution region having lesser associated energy than another of the dominant components within the same resolution region; and

    transmitting the reduced pattern signal to an array of electrodes associated with a cochlear implant.

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