HUSAIN, Farooq, Omar FAROOQ, and Ekrqam KHAN. “A Multi-Level Robust and Perceptually Transparent Blind Audio Watermarking Scheme Using Wavelets”. Archives of Acoustics 39, no. 4 (December 10, 2014): 529–539. Accessed April 28, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/617.