A Novel Digital Audio Authentication Technique Using Watermarking
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Abstract
Due to high speed computer networks, the use of digitally formatted data has increased many folds. The digital data can be duplicated and edited with great ease which has led to a need for effective copyright protection tools. With the growth of the Internet, unauthorized copying and distribution of digital media has never been easier. A promising solution to this problem is marking the media signal with a secret, robust, and imperceptible watermark (WM). To enforce Copy rights and to prevent illegal duplication, interpolation and distribution of multimedia data, Digital watermarking is an effective solution Copyright protection, data authentication, covert communication and content identification can be achieved by Digital watermarking. This paper presents a novel audio watermarking algorithm to protect against unauthorized copying of digital audio. In this paper, we propose an Effective and robust audio watermarking algorithm based on Fast Fourier transform (FFT) domain. Experimental results are presented in this paper to demonstrate the effectiveness of the proposed algorithm.
Keywords: Copyright protection Digital watermarking, Fast Fourier Transform
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