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2012 (Vol. 4, Issue: 21)
Article Information:

A Dither Modulation Audio Watermarking Algorithm Based on HAS

Yi-bo Huang, Qiu-yu Zhang, Zhao Liu, Yan-jun Di and Zhan-ting Yuan
Corresponding Author:  Yi-bo Huang 

Key words:  Adaptive , discrete wavelet transform, dither modulation, human auditory system, quantization step, ,
Vol. 4 , (21): 4206-4211
Submitted Accepted Published
December 18, 2011 April 23, 2012 November 01, 2012

In this study, we propose a dither modulation audio watermarking algorithm based on human auditory system which applied the theory of dither modulation. The algorithm made the two-value image watermarking to one-dimensional digital sequence firstly and used the Fibonacci to transform one-dimensional digital sequence. Then divide the audio into audio data segment and made discrete wavelet transform with audio data segment, every segment can adaptive choose quantization step. Finally put low frequency coefficients transformed embedding the watermarking which applied the dither modulation. When extract the watermark with no original audio, they realized blind extraction. The experimental results show that this algorithm has preferable robustness to against the attack from noise addition, compression, low pass filtering and re-sampling.
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  Cite this Reference:
Yi-bo Huang, Qiu-yu Zhang, Zhao Liu, Yan-jun Di and Zhan-ting Yuan, 2012. A Dither Modulation Audio Watermarking Algorithm Based on HAS.  Research Journal of Applied Sciences, Engineering and Technology, 4(21): 4206-4211.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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