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Sound processing and stimulation systems and methods for use with cochlear implant devices
专利权人:
Leonid M. Litvak;Lakshmi N. Mishra;Lee F. Hartley;Gene Y. Fridman
发明人:
Leonid M. Litvak,Lakshmi N. Mishra,Gene Y. Fridman,Lee F. Hartley
申请号:
US12418428
公开号:
US08126565B1
申请日:
2009.04.03
申请国别(地区):
US
年份:
2012
代理人:
摘要:
Sound processing strategies for use with cochlear implant systems utilizing simultaneous stimulation of electrodes are provided. The strategies include computing a frequency spectrum of a signal representative of sound, arranging the spectrum into channels and assigning a subset of electrodes to each channel. Each subset is stimulated so as to stimulate a virtual electrode positioned at a location on the cochlea that corresponds to the frequency at which a spectral peak is located within an assigned channel. The strategies also derive a carrier for a channel having a frequency that may relate to the stimulation frequency so that temporal information is presented. In order to fit these strategies, a group of electrodes is selected and the portion of the current that would otherwise be applied to electrode(s) having a partner electrode in the group is applied to the partner electrode.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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