An efficient watermarking algorithm for digital audio data in security applications
Mohamed Yamni,
Achraf Daoui,
Hicham Karmouni
et al.
Abstract:Transform-domain audio watermarking systems are more robust than time-domain systems. However, the main weakness of these systems is their high computational cost, especially for long-duration audio signals. Therefore, they are not desirable for real-time security applications where speed is a critical factor. In this paper, we propose a fast watermarking system for audio signals operating in the hybrid transform domain formed by the fractional Charlier transform (FrCT) and the dual-tree complex wavelet transf… Show more
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