Keunseok Cho and  Sangbae Jeong and  Hyungwook Chang and  Minsoo Hahn,  Enhanced Spectral Envelope Coding Based On NLMS for G.729.1.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2012, vol. 70(10). 1160 - 1164
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/7812.