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Performance Analysis of Discrete Wavelet Transform based Audio Watermarking on Indian Classical Songs
| International Journal of Computer Applications |
| Foundation of Computer Science (FCS), NY, USA |
| Volume 73 - Number 6 |
| Year of Publication: 2013 |
| Authors: C. M. Juli Janardhanan, C. Sathish Kumar |
10.5120/12744-9658
|
C. M. Juli Janardhanan, C. Sathish Kumar . Performance Analysis of Discrete Wavelet Transform based Audio Watermarking on Indian Classical Songs. International Journal of Computer Applications. 73, 6 ( July 2013), 15-19. DOI=10.5120/12744-9658
Abstract
Digital audio watermarking involves the process of embedding into a host audio signal, a perceptually transparent digital signature carrying a message about the host signal. A technique of digital audio watermarking using wavelet transform is applied to watermark Indian classical songs. Investigations were performed using Haar, Daubechies and Symlet wavelets for time-frequency decomposition of the audio signal in order to embed watermark bits into the wavelet coefficients. Simulations are performed with embedding at different levels of wavelet transform and the results are encouraging with Daubechies wavelet. Robustness of the algorithm was also analysed by including additive white Gaussian noise, denoising, and resampling.
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