C. BASZTURA and J. JURKIEWICZ, “The zero-crossing analysis of a speech signal in the short-term Method of automatic speaker identification”, Arch. Acoust., vol. 3, no. 3, pp. 185–196, Sep. 1978, Accessed: Mar. 04, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3406