N. Padmaja, C. Sushma, K. A. S. S. P. “Dual Threshold Log Spectral Distance Voice Activity Detector Based Effective Statistical Speech Enhancement”. International Journal of Advanced Science and Technology, Vol. 29, no. 3, Mar. 2020, pp. 5640 -53, https://sersc.org/journals/index.php/IJAST/article/view/6190.