Chaotic hiding and its positive definite blind extraction algorithm of speech signal

Er-fu WANG; Yuan-shuo ZHENG; Xin-wu CHEN; Xiao-zhen LIU

doi:10.11959/j.issn.1000-436x.2016171

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Chaotic hiding and its positive definite blind extraction algorithm of speech signal

Correspondences | 更新时间：2024-10-11

- Chaotic hiding and its positive definite blind extraction algorithm of speech signal
- Journal on Communications Vol. 37, Issue 8, Pages: 191-198(2016)
- 作者机构：
  
  黑龙江大学电子工程学院，黑龙江哈尔滨 150080
- 作者简介：
- 基金信息：
- DOI：10.11959/j.issn.1000-436x.2016171
  CLC： TN910
- Online First：2016-08，
  
  Published：25 August 2016
- 稿件说明：
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Er-fu WANG, Yuan-shuo ZHENG, Xin-wu CHEN, et al. Chaotic hiding and its positive definite blind extraction algorithm of speech signal[J]. Journal on Communications, 2016, 37(8): 191-198.
DOI：

Er-fu WANG, Yuan-shuo ZHENG, Xin-wu CHEN, et al. Chaotic hiding and its positive definite blind extraction algorithm of speech signal[J]. Journal on Communications, 2016, 37(8): 191-198. DOI： 10.11959/j.issn.1000-436x.2016171.

摘要

利用小波变换提取语音信号的能量聚集带，将其隐藏在混沌载体信号中进行传输，设计一种盲提取算法实现不同混沌动力学系统下语音信号的有效提取。以3种不同维数的混沌动力学系统为背景，仿真实验定性和定量地分析了所提出算法的性能，验证了噪声环境下算法的可靠性，证明盲提取算法可作为对混沌保密通信系统保密性验证的有效方法。

Abstract

The wavelet transform was used to extract energy accumulation zone of speech signal hidden in the chaotic carrier signal for transmission

and a blind extraction algorithm was designed to achieve speech signal extraction under different chaotic dynamical systems.Using three different dimensions of the chaotic dynamic system as the background

simulation experiment analysed the performance of the proposed algorithm in aqualitative and quantitative ways

and verified the algorithm's reliability under the noise environment that prove the blind extraction algorithm can be used as an effective method of security verification of chaotic secure communication system.

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Keywords

references

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