Research on Steganographic Method Integrated in the Compressed Speech Codec

YANG Wan-xia; YU Hui; HU Ping

doi:10.3969/j.issn.0372-2112.2014.07.010

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Research on Steganographic Method Integrated in the Compressed Speech Codec

更新时间：2025-07-16

- Research on Steganographic Method Integrated in the Compressed Speech Codec
- Acta Electronica Sinica Vol. 42, Issue 7, Pages: 1305-1310(2014)
- 作者机构：
  
  1. 甘肃农业大学工学院,甘肃,兰州,730070
  2. 清华大学电子工程系,北京,100084
  3. 清华大学网络科学与网络空间研究院,北京,100084
  4. 甘肃农业大学工学院,甘肃,兰州,730070
  5. 清华大学电子工程系,北京,100084
  6. 清华大学网络科学与网络空间研究院,北京,100084
- 作者简介：
- 基金信息：
  
  National Natural Science Foundation of China (No.61271392);Independent Research Project Fund of Tsinghua University (No.20111081023)
- DOI：10.3969/j.issn.0372-2112.2014.07.010
  CLC： TN911.23
- Published：2014
- 稿件说明：
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YANG Wan-xia, YU Hui, HU Ping. Research on Steganographic Method Integrated in the Compressed Speech Codec[J]. Acta Electronica Sinica, 2014, 42(7): 1305-1310.
DOI：

YANG Wan-xia, YU Hui, HU Ping. Research on Steganographic Method Integrated in the Compressed Speech Codec[J]. Acta Electronica Sinica, 2014, 42(7): 1305-1310. DOI： 10.3969/j.issn.0372-2112.2014.07.010.

摘要

论文针对低速率语音编码过程的特点，提出了一种基于动态码本生成的信息隐藏方法，设计了相应的嵌入和提取算法.该方法解决了现有的基于静态码本分区的信息隐藏方法无法对抗码字统计分析检测的问题.实验表明该隐藏算法在13.3Kbps的载体速率下能获得450bps隐藏容量，而且载密信息的语音质量PESQ值下降不到6%.

Abstract

This paper proposes a kind of information hiding method which is based on dynamic codebook generating technique

together with the corresponding inserting method and extracting algorithm.This method greatly solves the problem of deficiency in anti-testing of code analysis

which is faced by the information hiding that is based on static codebook partition techniques.The experimental result shows that the proposed algorithm can get 450 bps steganographic capacities within 13.3 Kbps carrier rate

while the loss of PESQ value of speech with steganographic information is less than 6%.

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Dept. of Electronic Engineering,Tsinghua University

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