, E. M. S. M. H. S. “Paper on Frequency Based Audio Noise Reduction Using Butter Worth, Chebyshev &Amp; Elliptical Filters”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 3, no. 10, Oct. 2015, pp. 5989-95, doi:10.17762/ijritcc.v3i10.4974.