A Digital Audio Watermarking Algorithm Based on Chaotic Encrypting in DWT

doi:10.3969/j.issn.1006-2475.2014.08.010

Abstract

Abstract:

An algorithm based on the chaos theory of digital audio watermarking algorithm is proposed. For the

security of digital audio watermark, the chaos theory in the high dimensional chaos theory is applied to the

watermark encryption. For the first time, we use chaotic sequence to encrypt watermark signal, and the second

time, we use high dimension chaotic system to encrypt the encrypted watermark again. In order to improve the

robustness of the algorithm, the algorithm was embed the same watermark information repeatedly by the way. The

principle of majority was used to enhance the error correction capability of watermark information when the

watermark information was extracted. Simulation results showed that the algorithm is of better robustness and

security.

Key words: digital audio watermarking, DWT, security, chaos, robustness

CLC Number:

TP391

CHEN Xue-song1, LI Hao-tian1, JIA Rui-cheng2, SUN Li-na2, BU Guang-long1. A Digital Audio Watermarking Algorithm Based on Chaotic Encrypting in DWT[J]. Computer and Modernization, doi: 10.3969/j.issn.1006-2475.2014.08.010.

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