A Audio Watermarking Algorithm Based on Chaotic-Modulation and Dual-Transform- Domain
Author(s): LIANG Hao, WANG Guo-ming, YUE Yu-jian, College of Computer Science and Engineering, Anhui University of Science & Technology
Pages: 1783-1786
Year: 2014 Issue: 8
Journal: Computer Knowledge and Technology
Keyword: audio watermarking; discrete wavelet transform; discrete cosine transform; chaotic-modulation; dual-transform-do-main;
Abstract: An improved algorithm is proposed directing against the non-blind extraction of the traditional audio watermarking and watermark’s weak security and robustness. Using Logistic chaotic sequence to modulate the watermark signal after reducing the dimensionality,Combining with the multi-resolution capabilities of discrete wavelet transform and the energy-gathered features of discrete cosine transform, watermark information is embedded in the audio carrier by modifying the intermediate or low frequency coefficient in dual-transform-domain. The simulation results show that improved algorithm owns better safety and robustness performance.
Pages: 1783-1786
Year: 2014 Issue: 8
Journal: Computer Knowledge and Technology
Keyword: audio watermarking; discrete wavelet transform; discrete cosine transform; chaotic-modulation; dual-transform-do-main;
Abstract: An improved algorithm is proposed directing against the non-blind extraction of the traditional audio watermarking and watermark’s weak security and robustness. Using Logistic chaotic sequence to modulate the watermark signal after reducing the dimensionality,Combining with the multi-resolution capabilities of discrete wavelet transform and the energy-gathered features of discrete cosine transform, watermark information is embedded in the audio carrier by modifying the intermediate or low frequency coefficient in dual-transform-domain. The simulation results show that improved algorithm owns better safety and robustness performance.
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