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Improving Singing Voice Separation with the Wave-U-Net Using Minimum Hyperspherical Energy

Perez-Lapillo, J., Galkin, O. and Weyde, T. ORCID: 0000-0001-8028-9905 (2020). Improving Singing Voice Separation with the Wave-U-Net Using Minimum Hyperspherical Energy. ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), doi: 10.1109/icassp40776.2020.9053424 ISSN 2379-190X

Abstract

In recent years, deep learning has surpassed traditional approaches to the problem of singing voice separation. The Wave-U-Net is a recent deep network architecture that operates directly on the time domain. The standard Wave-U- Net is trained with data augmentation and early stopping to prevent overfitting. Minimum hyperspherical energy (MHE) regularization has recently proven to increase generalization in image classification problems by encouraging a diversified filter configuration. In this work, we apply MHE regularization to the 1D filters of the Wave-U-Net. We evaluated this approach for separating the vocal part from mixed music audio recordings on the MUSDB18 dataset. We found that adding MHE regularization to the loss function consistently improves singing voice separation, as measured in the Signal to Distortion Ratio on test recordings, leading to the current best time-domain system for singing voice extraction.

Publication Type: Conference or Workshop Item (Paper)
Additional Information: © 2020IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords: Minimum Hyperspherical Energy, Music Source Separation, Deep Learning, Regularization
Subjects: M Music and Books on Music > M Music
Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Departments: School of Mathematics, Computer Science & Engineering > Computer Science
Date Deposited: 05 Jun 2020 15:21
URI: https://openaccess.city.ac.uk/id/eprint/24240
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