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View the development of the Internet in the 90s and direction of the world into an era where digital is playing an increasingly important we found face serious problems of copyright, piracy, rights … OF where watermarking comes as an effective solution faces to these problems. Watermarking a signal (audio, image, video) means inserting a message (audio, image, beep, text) in an inaudible manner in...
In this paper we propose a comparative review between the proposed digital audio watermarking technique and those achieved by Luigi Rosa and Rolf Brigola. The performed technique operates in the frequency domain. The time-frequency mapping is done using a Modified Discrete Cosine Transform (MDCT). The technique developed by Luigi Rosa operates in the frequency domain but using the Discrete Cosine...
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