Frequency analyses of human voice using fast Fourier transform. Iraqi Journal of Physics, [S. l.], v. 13, n. 27, p. 174–181, 2019. DOI: 10.30723/ijp.v13i27.276. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/276.. Acesso em: 2 may. 2024.