Cochlear implant signal processing method and system for enhancing time-domain expression
A signal processing and cochlear implant technology, applied in the field of medical devices, can solve the problem of mutual interference between envelope and TFS, and achieve the effect of avoiding residual charge, high hearing sensitivity, and avoiding excessive interference
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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0035] A cochlear implant signal processing method for enhancing time-domain expression, specifically comprising: a preprocessing step: performing pre-emphasis and noise reduction processing on sound signals collected by a microphone; Filter the sound signal received; time-domain signal expression conversion step: perform time-domain signal expression conversion processing on the band-pass signal output by each band-pass filter, so that the time domain of the envelope can be retained while introducing time-domain fine structure information Periodic information; band-pass signal transmission step: p...
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