2023
DOI: 10.31357/vjs.v26i02.6807
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High-frequency Noise Removal of Audio Files using Daubechies Wavelet Transform

N. K. Kularathne,
M. M. P. M. Fernando,
J. M. U. T. D. Jayasinghe

Abstract: In general, audio signals are contaminated with various types of noise. This paper presents a novel signal processing method developed for high-frequency noise elimination using wavelet transforms. As a continuation of a previous study that used Fourier transform for noise removal in audio files, in this study Daubechies wavelets were used to reduce computational complexity and achieve better noise reduction performances. Compared to the Fourier transform, the Daubechies wavelet transform method removes the no… Show more

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