Putri, Nurulita, and Martarizal . “Analysis of Noise Removal Performance in Speech Signals through Comparison of Median Filter, Low FIR Filter, and Butterworth Filter: Simulation and Evaluation”. Ultima Computing : Jurnal Sistem Komputer 16, no. 2 (December 31, 2024): 56-62. Accessed January 22, 2025. https://ejournals.umn.ac.id/index.php/SK/article/view/3678.