Signal Processing and Speech Communication Laboratory
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Speech Watermarking for Security Applications

Period
2004 — 2010
Partners
  • Faundez-Zanuy Marcos
  • Institut für Signalverarbeitung und Sprachkommunikation
Research Areas
Contact

This poject explores security enhanced speaker verification and identification systems based on speech signal watermarking. The goal is to detect several situations where a playback speech, a synthetically generated speech, a manipulated speech signal or a hacker trying to imitate the speech is fooling the biometric system. One issue is to determine whether biometrics (i.e. speaker analysis) and watermarking can coexist simultaneously minimizing the mutual effects.

Related publications
  • Article Faundez-Zanuy M., Lucena-Molina J. & Hagmüller M. (2010) Speech watermarking: An approach for the forensic analysis of digital telephonic recordings. in Journal of forensic sciences, 55(4), p. 1080-1087. [more info] [doi]
  • Article Faundez-Zanuy M., Hagmüller M. & Kubin G. (2006) Speaker verification security improvement by means of speech watermarking. in Speech Communication, 48(12), p. 1608-1619. [more info] [doi]
  • Conference contribution Faundez-Zanuy M., Hagmüller M., Kubin G. & Kleijn W. (2005) The COST-277 Speech Database. in Proceedings of the 3rd International Conference on Non-Linear Speech Processing (pp. 122-129). [more info]