SHAHNAZ, C.; ZHU, W.-P.; AHMAD, M. O. A residual-cepstrum method of pitch estimation from noisy speech. Canadian Acoustics, [S. l.], v. 37, n. 3, p. 90–91, 2009. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2148. Acesso em: 15 feb. 2025.