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An Efficient Audio Watermark Extraction in Time Domain

By Heawon Kang and Sung-hwan Jung


Abstract: In this paper, we propose an audio extraction method to decrease the influence of the original signal by modifying the watermarking detection system proposed by P. Bassia et al. In the extraction of the watermark, we employ a simple mean filter to remove the influence of the original signal as a preprocessing of extraction and the repetitive insertion of the watermark. As the result of the experiment, for which we used about 20 kinds of actual audio data, we obtain a watermark detection rate of about 95 % and a good performance even after the various signal processing attacks

Topics: audio watermarking, blind detection Wavelet
Year: 2011
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