LV, Gang; ZHAO, Heming. Formant frequency estimations of whispered speech in Chinese. Archives of Acoustics, [S. l.], v. 34, n. 2, p. 127–135, 2009. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/570. Acesso em: 25 apr. 2025.