Steganography Between Silence Intervals of Audio in Video Content Using Chaotic Maps

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• 作者：Muhammad Fahad Khan (1)
  Faisal Baig (2)
  Saira Beg (3)
  
• 关键词：Video steganography ; Voice steganography ; Audio silence interval ; Audio analysis ; Chaotic maps ; Signal processing
• 刊名：Circuits, Systems, and Signal Processing
• 出版年：2014
• 出版时间：December 2014
• 年：2014
• 卷：33
• 期：12
• 页码：3901-3919
• 全文大小：2,515 KB
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• 作者单位：Muhammad Fahad Khan (1)
  Faisal Baig (2)
  Saira Beg (3)
  
  1. Foundation University Islamabad, Rawalpindi Campus, Rawalpindi, Pakistan
  2. Federal Urdu University of Arts, Science and Technology, Islamabad, Pakistan
  3. COMSATS Institute of Information Technology, Islamabad, Pakistan
  
• ISSN：1531-5878

文摘

Steganography is the art of hiding data, in such a way that it is undetectable under traffic-pattern analysis and the data hidden is only known to the receiver and the sender. In this paper, new method of text steganography over the silence interval of audio in a video file is presented. In the proposed method, first the audio signal is extracted from the video. After doing audio enhancement, the data on the audio signal are steganographed using new technique and then audio signal is rewritten in video file. To enhance the security level, we apply chaotic maps on arbitrary text. Furthermore, the algorithm in this paper gives a technique?which states that undetectable?stegotext and cover text have same probability distribution and no statistical test can detect the presence of the hidden message. Moreover, hidden message does not affect the transmission rate of video file at all.