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US Patent 7627379 Method of speech conversion in a cochlear implant

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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7627379
Date of Patent
December 1, 2009
Patent Application Number
11349423
Date Filed
February 7, 2006
Patent Primary Examiner
‌
George Manuel
Patent abstract

A method for speech conversion in an artificial auris interna and an artificial auris interna can be capable of providing speech near to natural speech to a person using the artificial auris interna and reproducing natural fluctuation at random with a value near to the periodicity unique to each channel. Within a signal frame, speech information can be distinguished according to each frequency band by using band pass filters. Channel information on the corresponding frequency band can be added to the speech information. For each channel, speech information having a large signal level within one channel is left so that the number of stimulus pulses can be adjusted to be a frequency allowed for one channel. From all the speech information left for each channel, the speech information having a large signal level is left so that the number of stimulus pulses is adjusted to be a frequency allowed for the entire channel. The remaining speech information is transmitted to an electrode corresponding to the channel, thereby generating a stimulus pulse.

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