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
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.
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