Compressed neural coding
First Claim
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1. A method of neural stimulation, comprising:
- determining a plurality of stimulation signals based on a received acoustical signal;
selecting a subset of one or more of the plurality of stimulation signals based on information indicative of a masking effect of at least one of the plurality of stimulation signals; and
applying stimuli to a user representative of the received acoustical signal using only the selected subset of stimulation signals.
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Abstract
An embodiment of the present invention takes masking effects into consideration when determining stimulations signals for neural stimulation. These masking effects may be modeled using user-specific models determined by taking measurements for an implant system of an implant recipient. Or, the model may correspond to a group of individuals sharing a common characteristic or the population as a whole. These models may be, for example, psycho-physical or electrophysiological models.
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Citations
46 Claims
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1. A method of neural stimulation, comprising:
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determining a plurality of stimulation signals based on a received acoustical signal; selecting a subset of one or more of the plurality of stimulation signals based on information indicative of a masking effect of at least one of the plurality of stimulation signals; and applying stimuli to a user representative of the received acoustical signal using only the selected subset of stimulation signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A system for neural stimulation, comprising:
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a microphone configured to receive an acoustical signal; a speech processing unit configured to generate a plurality of stimulation signals based on the received acoustical signal and to select a subset of one or more of the plurality of stimulation signals based on information indicative of a masking effect of at least one of the plurality of stimulation signals; and an implant configured to apply stimuli to a user representative of the received acoustic signal using only the selected subset of stimulation signals. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
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46. A system for neural stimulation, comprising:
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means for determining a plurality of stimulation signals based on a received acoustical signal; means for selecting a subset of one or more of the plurality of stimulation signals based on information indicative of a masking effect of at least one of the plurality of stimulation signals; and means for applying stimuli to a user representative of the received acoustical signal using only the selected subset of stimulation signals.
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Specification