Zhang, Libo, Sridhar Krishnan, and Heping Ding. “Modified Spread Spectrum Audio Watermarking Algorithm”. Canadian Acoustics 32, no. 3 (September 1, 2004): 142–143. Accessed April 18, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1668.