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), vol. 2, no. 6, June 2015, pp. 19-23, https://doi.org/10.53555/nneee.v2i6.192.