Le-Tien, T., H. Tran-Thanh, D. Tran-Tien, and C. Hoang-Dinh. “RECOGNIZING FORMANTS AND PITCH PERIODS FOR VIETNAMESE SPEECH BASED ON THE LOCAL MODULUS MAXIMA IN THE WAVELET DOMAIN”. Science and Technology Development Journal 4, no. 1&2 (February 28, 2001): 43-55. Accessed December 27, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3472.