Simulation of CIS speech signal processing strategy based on electrical stimulating model of cochlear implant

Zheng Qian; Dan Yu

doi:10.1117/12.717121

24 October 2006 Simulation of CIS speech signal processing strategy based on electrical stimulating model of cochlear implant

Zheng Qian, Dan Yu

Author Affiliations +

Proceedings Volume 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence; 63572G (2006) https://doi.org/10.1117/12.717121
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

During the operating course of Cochlear implant, the speech signal processing strategy converts original speech signal into dim current signal. And then this signal will be transmitted into the embedded electrode to stimulate the remnant auditory nerve to restore the audition of patient. It could be shown that the speech processing strategy is the key part to realize the performance of cochlear implant, but its evaluation method for validity is always lacking. In this paper, the electrical stimulating model of cochlear implant is established at first, and then the acoustic simulation of Continuous Interleaved Sampling (CIS) strategy could be finished on this model. The synthesizing signal simulates the speech signal which could be heard by the deaf with cochlear implant. Therefore, the identification ability of CIS strategy could be estimated by delivering this synthesizing signal to normal audition people. Further more, some detailed analyses for every step of this acoustic simulation could be considered in order to improve the performance and parameters selection of CIS strategy. This work will be helpful for the deaf to enhance their perception and understanding during the speech identification course.

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Zheng Qian and Dan Yu "Simulation of CIS speech signal processing strategy based on electrical stimulating model of cochlear implant", Proc. SPIE 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence, 63572G (24 October 2006); https://doi.org/10.1117/12.717121

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KEYWORDS

Linear filtering

Signal processing

Acoustics

Electrodes

Filtering (signal processing)

Evolutionary algorithms

Computer simulations

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