[1]陈又圣,王健,陈艳,等. 基于连续交替采样的电子耳蜗等间隔多刺激算法研究[J].中国医学物理学杂志,2018,35(5):585-591.[doi:DOI:10.3969/j.issn.1005-202X.2018.05.016]
 CHEN Yousheng,WANG Jian,CHEN Yan,et al. Continuous interleaved sampling-based multiple equal-interval stimulation algorithm for cochlear implant[J].Chinese Journal of Medical Physics,2018,35(5):585-591.[doi:DOI:10.3969/j.issn.1005-202X.2018.05.016]
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 基于连续交替采样的电子耳蜗等间隔多刺激算法研究()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
35卷
期数:
2018年第5期
页码:
585-591
栏目:
医学信号处理与医学仪器
出版日期:
2018-05-22

文章信息/Info

Title:
 Continuous interleaved sampling-based multiple equal-interval stimulation algorithm for cochlear implant
文章编号:
1005-202X(2018)05-0585-07
作者:
 陈又圣王健陈艳张春晓
 深圳信息职业技术学院, 广东 深圳 518000
Author(s):
 CHEN Yousheng WANG Jian CHEN Yan ZHANG Chunxiao
 Shenzhen Institute of Information Technology, Shenzhen 518100, China
关键词:
 电子耳蜗多刺激模式等间隔刺激连续交替采样
Keywords:
 Keywords: cochlear implant multiple stimulation mode equal-interval stimulation continuous interleaved sampling
分类号:
TH776;R318
DOI:
DOI:10.3969/j.issn.1005-202X.2018.05.016
文献标志码:
A
摘要:
 电子耳蜗连续交替采样算法是目前常见于各种电子耳蜗言语处理策略的基本算法架构,该算法通过滤波器组信号进行频带划分并与刺激电极对应,在刺激听觉神经的特定一个时刻只有一个电极在工作,目的是减少电极间刺激电流的互相干扰。由连续交替单刺激的方法可以延伸为连续等间隔交替多刺激的模式,通过该方式在增加刺激信号信息的同时避免了相邻电极同时刺激听神经而产生的刺激电流串扰,具有较大的应用前景。本文深入研究了基于连续交替采样的等间隔多刺激策略的算法架构,提出了等间隔多刺激的算法具体工程实现方式,并进一步分析了等间隔多刺激算法的特征和参数特性,为多刺激模式的算法应用研究提供了基础,同时,本文的失配分析有助于工程上刺激模式的选取,所提出的等间隔多刺激的算法模式则为算法的工程实现提供了具体方案。
Abstract:
 Abstract: At present, continuous interleaved sampling algorithm is the basic algorithm architecture for ordinary speech processing strategies in cochlear implant. The algorithm uses filter bank to divide signal to sub frequency bands, corresponding to stimulating electrodes. During a fixed time, only one electrode is working and stimulating the auditory nerves for reducing the mutual interference between electrodes. The continuous interleaved stimulating method has important application prospect for it can provide a continuous equal-interval stimulating mode, which is advantageous in increasing stimulating signal information and avoiding the current interference between adjacent electrodes. Herein we research the algorithm frame of continuous interleaved sampling-based multiple equal-interval stimulation algorithm, put forward its engineering realization and further analyze its algorithm features and parameter characteristics in order to provide the basis of further application research of multiple stimulating algorithm in cochlear implant. Meanwhile, the mismatch analysis used in this research is helpful for the stimulation mode selection in engineering realization. The proposed multiple equal-interval stimulation algorithm provides a practical method for engineering realization.

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备注/Memo

备注/Memo:
 【收稿日期】2018-03-05
【基金项目】深圳科技计划项目(JCYJ20160415114250896,JCYJ2016-
0527101842119,GRCK2017042409552883);广东省自然科学基金博士启动基金(2016A030310073);国家自然科学基金(61704113)
【作者简介】陈又圣,博士,讲师,主要研究方向:语音增强,麦克风阵列波束形成,电子耳蜗言语处理,医疗仪器设计,E-mail: chenyoushengtsinghua@aliyun.com
【通信作者】王健,博士,副教授,主要研究方向:听觉音高感知、语音信号处理,E-mail: wangj01@sziit.edu.cn
更新日期/Last Update: 2018-05-22