FATTAH, S. A.; ZHU, W.-P.; AHMAD, M. O. A formant frequency estimator for noisy speech based on correlation and cepstrum. Canadian Acoustics, [S. l.], v. 36, n. 3, p. 160–161, 2008. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2087. Acesso em: 24 apr. 2024.