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Communication dans un congrès

A watermaking method for speech signals based on the time-warping signal processing concept

Abstract : This paper deals with the watermarking of audio speech signals which consists in introducing an imperceptible mark in a signal. To this end, we suggest to use an amplitude modulated signal that mimics a formantic structure present in the signal. This allows to exploit the time–masking effect occurring when two signals are close in the time–frequency plane. From this embedding scheme, a watermark extractionmethod based on nonstationary linear filtering and matched aflter detection is proposed in order to recover information carried by the watermark. Numerical results conducted on a real speech signal show that the watermark is likely not hearable and informations carried by the watermark are easily retrievable.
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https://hal.archives-ouvertes.fr/hal-00349532
Contributeur : Cornel Ioana <>
Soumis le : mercredi 31 décembre 2008 - 14:57:35
Dernière modification le : jeudi 15 avril 2021 - 16:58:37
Archivage à long terme le : : mardi 8 juin 2010 - 18:23:25

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ICCASP2007_watermarking.pdf
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Cornel Ioana, Arnaud Jarrot, André Quinquis, Sridhar Krishnan. A watermaking method for speech signals based on the time-warping signal processing concept. ICASSP 2007 - IEEE International Conference on Acoustics, Speech and Signal Processing, Apr 2007, Honolulu, Hawaii, United States. pp.201-204, ⟨10.1109/ICASSP.2007.366207⟩. ⟨hal-00349532⟩

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