Abstract
With commercial growth of digital processing of audio signals like song, voice, speech etc the intention to make piracy of originality of the same is increasing day by day. It is a real problem of intellectual property right (IPR) for providing security over audio signal without changing its quality. In this paper, an approach has been made to provide security of digital song with embedding some authenticating secret code through coefficient alternation of harmonics over some specific region of the song without affecting its audible quality. Decomposing constituent frequency components of signal using Fourier transform followed by alternating coefficients of specific harmonics generates a secret code and this unique code is utilized to detect the originality of the song. A comparative study has been made with similar existing techniques and experimental results are also supported with mathematical formula based on Microsoft WAVE (".wav") stereo sound file.
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© 2011 Springer-Verlag Berlin Heidelberg
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Mondal, U.K., Mandal, J.K. (2011). A Fourier Transform Based Authentication of Audio Signals through Alternation of Coefficients of Harmonics (FTAT). In: Nagamalai, D., Renault, E., Dhanuskodi, M. (eds) Advances in Parallel Distributed Computing. PDCTA 2011. Communications in Computer and Information Science, vol 203. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-24037-9_8
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DOI: https://doi.org/10.1007/978-3-642-24037-9_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-24036-2
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