Optimized Digital Audio Scheme Using 4D Lorenz Hyperchaotic System, FAN Transform, and ABC Optimization. Bilad Alrafidain Journal for Engineering Science and Technology, [S. l.], v. 5, n. 2, p. 150–160, 2026. DOI: 10.56990/bajest/2026.050212. Disponível em: https://bajest.bauc14.edu.iq/index.php/bajest/article/view/228. Acesso em: 18 oct. 2026.