基于基音延迟隐写的移动语音信道数据传输

doi:10.16180/j.cnki.issn1007-7820.2024.07.009

电子科技 ›› 2024, Vol. 37 ›› Issue (7): 66-71.doi: 10.16180/j.cnki.issn1007-7820.2024.07.009

基于基音延迟隐写的移动语音信道数据传输

李静, 彭涛

北京邮电大学信息与通信工程学院,北京 100876

收稿日期:2023-02-08 出版日期:2024-07-15 发布日期:2024-07-17
作者简介:李静(1996-),男,硕士研究生。研究方向:移动语音信道中信息处理与信息传输。
彭涛(1977-),男,博士,副教授。研究方向:多媒体通信、基于人工智能新型无线(5G/6G)通信与网络、认知无线电及D2D通信、卫星通信。
基金资助:
北京市自然科学基金(L192002);国家重点研发计划(2020YF-B1808000)

Date Communication over Mobile Voice Channel Based on Pitch Delay Steganography

LI Jing, PENG Tao

School of Information and Communication Engineering,Beijing University of Posts and Telecommunications,Beijing 100876,China

Received:2023-02-08 Online:2024-07-15 Published:2024-07-17
Supported by:
Beijing Natural Science Foundation Project(L192002);National Key R&D Program of China(2020YF-B1808000)

摘要/Abstract

摘要：

针对移动通信中端到端信息传输的安全问题,文中提出了一种适用于移动语音信道的基于基音延迟隐写的信息传输方法,该方法将目标数据隐藏在语音信号中。算法使用秘密信息控制语音中浊音部分的基音延迟值奇偶特性,以此嵌入数据比特。通过秘密信息对清音部分的基音延迟值进行量化输出,实现隐写信息的嵌入。嵌入引起基音延迟变化并不会造成原始语音音质的严重退化,因此在传输语音信号时,外界难以检测出隐藏的数据信息。该算法可以保证端到端信息传输的安全性和私密性。仿真结果表明,秘密信息的传输速率达200 bit·s^-1,准确率约为94%。

关键词: 移动语音信道, 信息传输, 基音延迟, 隐写, 清浊音, 端到端, 安全性, 私密性

Abstract:

In view of the security problem of end-to-end data transmission in mobile communication, this study proposes a message transmission method based on pitch delay steganography used for mobile voice channel, which hides the intended data in the voice signal. The algorithm uses secret information to control the parity characteristics of pitch delay value in the voiced part of speech, so as to embed data bits. The pitch delay value of the voiceless part is quantified and output by secret information to realize the embedding of steganographic information. The pitch delay change caused by embedding does not cause serious degradation of the original speech quality, so it is difficult for the outside world to detect hidden data information when transmitting speech signals. This algorithm can ensure the security and privacy of end-to-end information transmission. The simulation results show that the transmission rate of secret information can reach 200 bit·s^-1 and the accuracy rate is about 94%.

Key words: mobile voice channel, data transmission, pitch delay, steganography, voiced and voiceless, end-to-end, security, privacy

中图分类号:

TP309

李静, 彭涛. 基于基音延迟隐写的移动语音信道数据传输[J]. 电子科技, 2024, 37(7): 66-71.

LI Jing, PENG Tao. Date Communication over Mobile Voice Channel Based on Pitch Delay Steganography[J]. Electronic Science and Technology, 2024, 37(7): 66-71.

图/表 5

参考文献 19

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参数	数值
清浊音判定门限δ	5
清音量化个位值α、β	2、7
差分嵌入值σ	2
“野点”判定阈值θ、k	10、30

语音片段	本文算法	对比算法
CM	3.65	3.45
CW	3.56	3.36
EM	3.46	3.42
EW	3.52	3.44

基于基音延迟隐写的移动语音信道数据传输

Date Communication over Mobile Voice Channel Based on Pitch Delay Steganography

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