Audio asymmetric watermarking technique

Abstract : This paper presents the application of the promising public key watermarking method1 to the audio domain. Its de- tection process does not need the original content nor the secret key used in the embedding process. It is the trans- lation, in the watermarking domain, of a public key pair cryptosystem [1]. We start to build the detector with some basic assumptions. This leads to a hypothesis test based on probability likelihood. But real audio signals do not satisfy the assumption of a Gaussian probability density function. Moreover, the use of an advanced human perception model to hide the watermark makes the detection issue a tough problem. Our works result in a new detection process o er- ing a good test's power for a low probability of false alarm.
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Submitted on : Monday, February 20, 2006 - 2:29:14 PM
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Teddy Furon, Nicolas Moreau, Pierre Duhamel. Audio asymmetric watermarking technique. Int. Conf. on Audio, Speech and Signal Processing, IEEE, Jun 2000, Istanbul, Turkey. ⟨inria-00001126⟩

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