Rani, Shalu, and Rajbhupider Kaur. “Review: Audio Noise Reduction Using Filters and Discrete Wavelet Transformation”. Journal of Advance Research in Electrical & Electronics Engineering (ISSN 2208-2395) 2, no. 6 (June 30, 2015): 19–23. Accessed May 18, 2024. https://www.nnpub.org/index.php/EEE/article/view/192.