RAO, G. V. . Speech enhancement and Speech recognition by improving PSNR Value. International Journal of Technical Innovation in Modern Engineering & Science, [S. l.], v. 4, n. 7, p. 19–21, 2018. Disponível em: https://ijtimes.com/index.php/ijtimes/article/view/871. Acesso em: 4 feb. 2025.