PETKOVIC, G. M.; PERIC, Z. H.; STOIMENOV, L. V. Switched Scalar Optimal u-law Quantization with Adaptation Performed to both the Variance and the Distribution of Speech Signal. Elektronika ir Elektrotechnika, [S. l.], v. 22, n. 1, p. 64-67, 2016. DOI: 10.5755/j01.eee.22.1.14111. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/14111. Acesso em: 6 jul. 2022.