Polacky, Jozef, Peter Pocta, and Roman Jarina. “An Impact of Narrowband Speech Codec Mismatch on a Performance of GMM-UBM Speaker Recognition over Telecommunication Channel”. Communications - Scientific letters of the University of Zilina 18, no. 1 (February 29, 2016): 23-28. Accessed April 6, 2026. http://journals.uniza.sk/index.php/communications/article/view/373.