基于单边带调制的隐蔽语音传输方案

doi:10.3969/j.issn.0255-8297.2019.05.006

应用科学学报 ›› 2019, Vol. 37 ›› Issue (5): 643-650.doi: 10.3969/j.issn.0255-8297.2019.05.006

基于单边带调制的隐蔽语音传输方案

余鑫, 徐争光

华中科技大学电子信息与通信学院, 武汉 430074

收稿日期:2019-07-27 修回日期:2019-08-01 出版日期:2019-09-30 发布日期:2019-10-18
通信作者: 徐争光,副教授,研究方向:通信信号处理、信息隐藏技术和保密通信,E-mail:xray@hust.edu.cn E-mail:xray@hust.edu.cn
基金资助:
国家自然科学基金（No.61501195）资助

Hidden Voice Transmission Scheme Based on SSB Modulation

YU Xin, XU Zhengguang

School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan 430074, China

Received:2019-07-27 Revised:2019-08-01 Online:2019-09-30 Published:2019-10-18

摘要/Abstract

摘要： 提出了一种基于单边带调制的隐蔽语音传输方案，首先通过带阻滤波器将背景通话中的特定频谱成分清除，然后将需要保密传输的语音以单边带调制的形式嵌入到正常语音的频域空洞中，从而实现智能手机上的隐蔽语音传输.该方案制作的原型系统，能够在不改变现有手机软硬件的情况下实现隐蔽语音传输.

关键词: 隐蔽语音传输, 单边带调制, 原型系统, 频域嵌入

Abstract: In this paper, a hidden voice transmission scheme based on single sideband modulation (SSB) is proposed. Firstly, a band-stop filter is used to remove specific spectral components in background calls. Then, the voice that needs to be transmitted confidentially is embedded into the frequency domain cavity of normal voice in the form of SSB, thus realizing hidden voice transmission on smart phones. According to this scheme, the prototype system has been made to realize hidden voice transmission without changing the existing mobile phone software and hardware.

Key words: hidden voice transmission, single side band (SSB) modulation, prototype system, frequency domain embedment

中图分类号:

TN918.9

余鑫, 徐争光. 基于单边带调制的隐蔽语音传输方案[J]. 应用科学学报, 2019, 37(5): 643-650.

YU Xin, XU Zhengguang. Hidden Voice Transmission Scheme Based on SSB Modulation[J]. Journal of Applied Sciences, 2019, 37(5): 643-650.

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基于单边带调制的隐蔽语音传输方案

Hidden Voice Transmission Scheme Based on SSB Modulation

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