Sound Signal De-noising Using Wavelet Transform. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 9, n. 2, p. 143–157, 2012. DOI: 10.33899/csmj.2012.163724 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36833. Acesso em: 25 jun. 2026.