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A Comparison of Audio Signal Preprocessing Methods for Deep Neural Networks on Music Tagging

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Authors: Keunwoo Choi,Gy├Ârgy Fazekas,Kyunghyun Cho,Mark Sandler
ArXiv: 1709.01922
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In this paper, we empirically investigate the effect of audio preprocessing on music tagging with deep neural networks. We perform comprehensive experiments involving audio preprocessing using different time-frequency representations, logarithmic magnitude compression, frequency weighting, and scaling. We show that many commonly used input preprocessing techniques are redundant except magnitude compression.

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