Digital Sound Watermarks Based on Improved Sinusoidal Analysis/Synthesis Model

In this paper, a simple and efficient algorithm for designing digital sound watermark is presented. The main idea is by hiding the secret information in the amplitude of a certain frequency under 20Hz. This approach improved the sinusoidal analysis / synthesis model. Our approach can improve the sound watermark detection even after the signal has been compressed by MEPG lay-3. The experimental results illustrated the efficiency of our algorithm.

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