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System for processing electronic cochlear signal and coding electric stimulation and processing method thereof

A cochlear electron and signal processing technology, applied in ear therapy, etc., can solve problems such as poor speech recognition and comprehension, improve listening ability, balance the relationship between calculation amount and time-frequency resolution, and achieve convenient effects

Inactive Publication Date: 2010-06-02
INST OF ACOUSTICS CHINESE ACAD OF SCI
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Problems solved by technology

Aiming at the situation that cochlear implant users are generally poor in speech recognition in noise background, tonal language and music understanding, a high-resolution cochlear implant signal processing strategy is provided, and the most suitable one is formulated for cochlear implant users. Electrical Stimulation Coding Scheme

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  • System for processing electronic cochlear signal and coding electric stimulation and processing method thereof
  • System for processing electronic cochlear signal and coding electric stimulation and processing method thereof
  • System for processing electronic cochlear signal and coding electric stimulation and processing method thereof

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Embodiment Construction

[0045] The cochlear electronic signal processing and electrical stimulation coding system and its processing method of the present invention will be further described below in conjunction with the accompanying drawings, and the best embodiment of the present invention will be described in more detail.

[0046] figure 1 It is the overall block diagram of the electronic cochlear signal processing and electrical stimulation coding system of the present invention, as figure 1 As shown, the cochlear electronic signal processing and electrical stimulation coding system of the present invention includes: an acoustic signal analysis and processing module, an electrical stimulation discrimination test and processing module, and an electrical stimulation coding module combining site coding and time coding.

[0047] Wherein, the acoustic signal analysis and processing module implements the high-resolution cochlear electronic signal processing strategy of the present invention. The acous...

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Abstract

The invention provides a system for processing an electronic cochlear signal and coding electric stimulation and a processing method thereof. The system comprises an acoustic signal analyzing and processing module, an electric stimulation resolution testing and processing module and an electric stimulation coding module, wherein the acoustic signal analyzing and processing module analyzes an acoustic signal and extracts characteristic information to be transmitted by low frequency and high frequency channels; the electric stimulation resolution testing and processing module measures and fits individual electric stimulation part resolving power and electric stimulation speed resolving power of an electronic cochlear user, acquires individual resolution of the electronic cochlear user and perceives parameters of an electric stimulation mode through calculation processing; and the electric stimulation coding module codetermines a discharge mode of an electronic cochlear implant electrode according to the ability of the electronic cochlear user for receiving the electric stimulation information and an acoustic signal processing result. The system can farthest promotes the hearing ability of the electronic cochlear user and improve the ability of the electronic cochlear user in speech recognition and understanding of tone language and music under a noise background.

Description

technical field [0001] The invention relates to the field of cochlear electronics, in particular to a cochlear electronic signal processing and electrical stimulation encoding system and processing method thereof, which are suitable for improving the ability of the electronic cochlear to recognize speech in a noise background, understand tone language and music. Background technique [0002] Cochlear implant technology is currently the only neuroprosthetic that can restore hearing to the deaf. By directly stimulating the auditory nerve with electric current, the deaf can restore their hearing. It has helped more than 120,000 cochlear implant recipients around the world restore their hearing to varying degrees. Currently the most widely used cochlear electronic signal processing strategies, such as: continuous alternate use scheme CIS (continuous-interleaved-sampling), advanced mixed coding scheme ACE (advanced confined encoding) all generate electrical stimulation pulses with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61F11/04
Inventor 冯海泓平利川陈友元范雪莉
Owner INST OF ACOUSTICS CHINESE ACAD OF SCI
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