[1]
M. Tarhda, R. Elgouri, and L. Hlou, “Audio Watermarking Systems - Design, Implementation and Evaluation of an Echo Hiding Scheme Using Subjective Tests and Common Distortions”, Int. J. Recent Contrib. Eng. Sci. IT, vol. 1, no. 2, pp. pp. 27–36, Nov. 2013.