Robust Audio Watermarks in Frequency Domain

• Autorzy: Dymarski P. , Markiewicz R.
• Języki publikacji: EN

Abstrakty

EN

In this paper an audio watermarking technique is presented, using log-spectrum, dirty paper codes and LDPC for watermark embedding. This technique may be used as a digital communication channel, transmitting data at about 40 b/s. It may be also applied for hiding a digital signature, e.g., for copyright protection purposes. Robustness of the watermarks against audio signal compression, resampling and transmitting through an acoustic channel is tested.

Słowa kluczowe

EN

annotation watermarking; audio watermarking; digital signature; dirty paper codes; LDPC

• Wydawca: Instytut Łączności - Państwowy Instytut Badawczy
• Czasopismo: Journal of Telecommunications and Information Technology
• Rocznik: 2014
• Tom: nr 2
• Strony: 12--21
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Dymarski P.

• Faculty of Electronics and Information Technology, Warsaw University of Technology, Warsaw, Poland

autor

Markiewicz R.

• Faculty of Electronics and Information Technology, Warsaw University of Technology, Warsaw, Poland

Bibliografia

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