Steganography in Inactive Frames of VoIP Streams Encoded by Source Codec

  title={Steganography in Inactive Frames of VoIP Streams Encoded by Source Codec},
  author={Y. Huang and S. Tang and J. Yuan},
  journal={IEEE Transactions on Information Forensics and Security},
  • Y. Huang, S. Tang, J. Yuan
  • Published 2011
  • Computer Science
  • IEEE Transactions on Information Forensics and Security
  • This paper describes a novel high-capacity steganography algorithm for embedding data in the inactive frames of low bit rate audio streams encoded by G.723.1 source codec, which is used extensively in Voice over Internet Protocol (VoIP). This study reveals that, contrary to existing thought, the inactive frames of VoIP streams are more suitable for data embedding than the active frames of the streams; that is, steganography in the inactive audio frames attains a larger data embedding capacity… CONTINUE READING
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