Abstract
The digital audio watermarking technique is an effective implement for the copyright protection of audio medium, the energy concentrated characteristic of discrete cosine transform and the time-and-frequency analysis ability of wavelet transform provided perfect advantage to get the digital audio watermarking algorithm. In this paper, a new digital audio watermarking algorithm based on DWT was proposed, and a comparison experiment was taken between the algorithms based on DCT and DWT, The results of experiment show that, the algorithm based on DWT has better ability in resisting the attack of compressing, noise and filtering than the algorithm base on DCT.
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