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Continuous Steganographic Data Transmission Using Uncompressed Audio

  • Chr. Neubauer
  • J. Herre
  • K. Brandenburg
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1525)

Abstract

Today watermarking of still and moving images is a wellknown technology enabling proof of authorship for the watermarked data. Similarly, there is a large interest in watermarking of audio data. Since the human auditory system is very sensitive to signal modifications, fairly elaborated schemes are required in order to perfectly/imperceptibly hide embedded data.

This paper describes how to transmit continuous data using uncompressed audio as cover data. Rather than just embedding a signature into the audio data with a watermark, a generally usable channel is provided in which any data - cryptographic or not - can be transmitted. The paper includes a description of the transmission system, quantitative evaluations of achieved bit error rates and perceptibility tests using wellknown audio quality measurements such as PAQM (Perceptual Audio Quality Measurement), NMR (Noise-to-Mask Ratio) and the ITU TG 10/4 perceptual measurement system.

Keywords

Audio Signal Listening Test Audio Data Processing Gain Perceptual Measurement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Chr. Neubauer
    • 1
  • J. Herre
    • 1
  • K. Brandenburg
    • 1
  1. 1.Fraunhofer Institut für Integrierte SchaltungenErlangenGermany

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