Blind audio watermark synchronization by passive audio fingerprinting

Martin Steinebach; Sascha Zmudzinski

doi:10.1117/12.703311

27 February 2007 Blind audio watermark synchronization by passive audio fingerprinting

Martin Steinebach, Sascha Zmudzinski

Proceedings Volume 6505, Security, Steganography, and Watermarking of Multimedia Contents IX; 650509 (2007) https://doi.org/10.1117/12.703311
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

Synchronization is still one of the most important issues in digital watermarking. Many attacks do not remove the watermark from the cover, but only disable the synchronization between the watermark and the detector. Most watermarking algorithms feature some synchronization strategy, but especially in audio watermarking this may not be sufficient to fight de-synchronization attacks: As the watermark is embedded over a given length of audio data, a good synchronization at the starting point of the retrieval process may be lost during retrieval. An example for this is time stretching, where the effects of playback speed modification sums up during retrieval. We introduce a novel synchronization approach applying passive audio fingerprinting to synchronize each watermarking bit individually. Storage of the fingerprint values is not necessary in our approach, improving the usability compared to existing solutions in this area.

Citation Download Citation

Martin Steinebach and Sascha Zmudzinski "Blind audio watermark synchronization by passive audio fingerprinting", Proc. SPIE 6505, Security, Steganography, and Watermarking of Multimedia Contents IX, 650509 (27 February 2007); https://doi.org/10.1117/12.703311

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