Security and Privacy in Communication Networks. 13th International Conference, SecureComm 2017, Niagara Falls, ON, Canada, October 22–25, 2017, Proceedings

Research Article

A Sudoku Matrix-Based Method of Pitch Period Steganography in Low-Rate Speech Coding

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  • @INPROCEEDINGS{10.1007/978-3-319-78813-5_40,
        author={Zhongliang Yang and Xueshun Peng and Yongfeng Huang},
        title={A Sudoku Matrix-Based Method of Pitch Period Steganography in Low-Rate Speech Coding},
        proceedings={Security and Privacy in Communication Networks. 13th International Conference, SecureComm 2017, Niagara Falls, ON, Canada, October 22--25, 2017, Proceedings},
        proceedings_a={SECURECOMM},
        year={2018},
        month={4},
        keywords={Information hiding Low bit-rate speech codec Pitch period Sudoku matrix},
        doi={10.1007/978-3-319-78813-5_40}
    }
    
  • Zhongliang Yang
    Xueshun Peng
    Yongfeng Huang
    Year: 2018
    A Sudoku Matrix-Based Method of Pitch Period Steganography in Low-Rate Speech Coding
    SECURECOMM
    Springer
    DOI: 10.1007/978-3-319-78813-5_40
Zhongliang Yang,*, Xueshun Peng, Yongfeng Huang
    *Contact email: yangzl15@mails.tsinghua.edu.cn

    Abstract

    Using low-rate compressed speech coding for large-capacity steganography is always a big challenge due to its low redundant information. To overcome this challenge, we propose a method of embedding and extracting steganography in low-rate speech coding using three-dimensional Sudoku matrix. Analysis shows that this method can enhance the concealment of steganographic information and improve the steganography capacity of low-rate speech coding. The experimental results showed that using the current typical low speech coding standard G.723.1 achieved a steganographic capacity of 200 bit/s and a reduction of less than 10% in the sensory evaluation value of the speech quality of the coded speech.