SUN, Pengfei, and Jun QIN. “Wavelet Packet Transform Based Speech Enhancement via Two-Dimensional SPP Estimator With Generalized Gamma Priors”. Archives of Acoustics 41, no. 3 (June 14, 2016): 579–590. Accessed June 10, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1702.