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US 8,412,340 B2Granted
Tonality-based optimization of sound sensation for a cochlear implant patient
AssigneeAdvanced Bionics AG
InventorsLeonid M. Litvak, Abhijit Kulkarni
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Abstract
Methods and systems of optimizing sound sensation of a cochlear implant patient include dividing an audio signal into a plurality of analysis channels, generating one or more tonality indices each representing a tonality of one of the analysis channels, generating one or more stimulation pulses configured to represent the audio signal in accordance with one or more stimulation parameters, and adjusting at least one of the stimulation parameters based on at least one of the tonality indices.
Claims16
A method comprising:
- dividing an audio signal into a plurality of analysis channels each corresponding to a particular electrode included in a plurality of electrodes implanted in a patient;
- generating tonality indices for each of said analysis channels in said plurality of analysis channels, said tonality indices each representing a tonality associated with one of said analysis channels;
- generating one or more stimulation pulses configured to represent said audio signal in accordance with one or more stimulation parameters;
- and
- adjusting at least one of said stimulation parameters based on at least one of said tonality indices.
2 more elements
A method comprising:
- dividing an audio signal into a plurality of analysis channels each corresponding to a particular electrode included in a plurality of electrodes implanted in a patient;
- generating tonality indices for each of said analysis channels in said plurality of analysis channels, said tonality indices each representing a tonality associated with one of said analysis channels;
- generating one or more stimulation pulses configured to represent said audio signal in accordance with one or more stimulation parameters;
- applying said stimulation pulses to a stimulation site within a patient via at least one electrode;
- and
- dynamically adjusting at least one of an electrode configuration of said at least one electrode and a stimulation rate of said stimulation pulses in response to a change in at least one of said tonality indices.
3 more elements
Dependencies are inferred from the claim text.