Speech Watermarking Based on Coding of the Harmonic Phase

  • Inma Hernaez
  • Ibon Saratxaga
  • Jianpei Ye
  • Jon Sanchez
  • Daniel Erro
  • Eva Navas
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8854)

Abstract

This paper presents a new speech watermarking technique using harmonic modelling of the speech signal and coding of the harmonic phase. We use a representation of the instantaneous harmonic phase which allows straightforward manipulation of its values to embed the digital watermark. The technique converts each harmonic into a communication channel, whose performance is analysed in terms of distortion and BER. The developed tests show that with a simple coding scheme a bit rate of 300bps can be achieved with minimal perceptual distortion and almost zero BER.

Keywords

Data Hiding Digital Speech Watermarking Relative Phase Shift 

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Inma Hernaez
    • 1
  • Ibon Saratxaga
    • 1
  • Jianpei Ye
    • 1
  • Jon Sanchez
    • 1
  • Daniel Erro
    • 1
    • 2
  • Eva Navas
    • 1
  1. 1.Aholab (UPV/EHU), ETSI BilbaoBilbaoSpain
  2. 2.IKERBASQUEBilbaoSpain

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