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Proceedings Paper

Steganalysis of audio based on audio quality metrics
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Paper Abstract

Classification of audio documents as bearing hidden information or not is a security issue addressed in the context of steganalysis. A cover audio object can be converted into a stego-audio object via steganographic methods. In this study we present a statistical method to detect the presence of hidden messages in audio signals. The basic idea is that, the distribution of various statistical distance measures, calculated on cover audio signals and on stego-audio signals vis-à-vis their denoised versions, are statistically different. The design of audio steganalyzer relies on the choice of these audio quality measures and the construction of a two-class classifier. Experimental results show that the proposed technique can be used to detect the presence of hidden messages in digital audio data.

Paper Details

Date Published: 20 June 2003
PDF: 12 pages
Proc. SPIE 5020, Security and Watermarking of Multimedia Contents V, (20 June 2003); doi: 10.1117/12.477313
Show Author Affiliations
Hamza Ozer, Bogazic Univ. (Turkey)
Ismail Avcibas, Bogazici Univ. (Turkey)
Bulent Sankur, Bogazici Univ. (Turkey)
Nasir D. Memon, Polytechnic Univ. (United States)

Published in SPIE Proceedings Vol. 5020:
Security and Watermarking of Multimedia Contents V
Edward J. Delp III; Ping Wah Wong, Editor(s)

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