TITLE:
Imperceptible and Robust DWT-SVD-Based Digital Audio Watermarking Algorithm
AUTHORS:
Khalid A. Darabkh
KEYWORDS:
DWT, SVD, Imperceptibility, Robustness, Matrix Formation, Watermark, Code Assignment
JOURNAL NAME:
Journal of Software Engineering and Applications,
Vol.7 No.10,
September
24,
2014
ABSTRACT: Digital representation of
multimedia is more advantageous than the analog one due to potentially
improving the portability, efficiency, and accuracy of the information
presented. Despite the challenge of having high hiding capacity like other
media watermarking, still audios are likely candidates for data hiding due to
their possible capabilities of achieving impressive robustness and protection
against online music piracy and content identification. In this paper, we
propose efficient audio watermarking embedding and extracting techniques, which
mainly use Discrete Wavelet Transform (DWT) and Singular Value Decomposition
(SVD), in which a new matrix formation of details sub-bands is proposed.
Additionally, massive experimental work was conducted to investigate the
contributions of operating different watermark intensities and multiple levels
of DWT to our proposed techniques. Two performance objectives are employed in
this work which involve imperceptibility and robustness. To further boost the
imperceptibility, we incorporate the code assignment method to our techniques
that do outperform what are closely connected in the literature.