Ahmed, Iftekhar Uddin, Abdul Kadar Muhammad Masum, and S.M.A Motakabber. “The Proposed Model of Pulse Code Modulation Encoder for Voice Frequencies”. International Journal of Scientific World 3, no. 1 (April 26, 2015): 152–162. Accessed November 24, 2024. https://sciencepubco.com/index.php/IJSW/article/view/4495.