Riyani, Ade. “A Identifying Human Voice Signals Using the Fast Fourier Transform (Fft) Method Based on Matlab”. Journal of Informatics Information System Software Engineering and Applications (INISTA) 1, no. 2 (May 30, 2019): 42-50. Accessed November 22, 2024. https://journal.ittelkom-pwt.ac.id/index.php/inista/article/view/52.