The Sound Demixing Challenge 2023 x2013 Music Demixing Track
CoRR(2023)
Abstract
This paper summarizes the music demixing (MDX) track of the Sound Demixing
Challenge (SDX'23). We provide a summary of the challenge setup and introduce
the task of robust music source separation (MSS), i.e., training MSS models in
the presence of errors in the training data. We propose a formalization of the
errors that can occur in the design of a training dataset for MSS systems and
introduce two new datasets that simulate such errors: SDXDB23_LabelNoise and
SDXDB23_Bleeding1. We describe the methods that achieved the highest scores in
the competition. Moreover, we present a direct comparison with the previous
edition of the challenge (the Music Demixing Challenge 2021): the best
performing system achieved an improvement of over 1.6dB in signal-to-distortion
ratio over the winner of the previous competition, when evaluated on MDXDB21.
Besides relying on the signal-to-distortion ratio as objective metric, we also
performed a listening test with renowned producers/musicians to study the
perceptual quality of the systems and report here the results. Finally, we
provide our insights into the organization of the competition and our prospects
for future editions.
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Key words
music source separation,deep learning,neural networks,robust training,sound,signal processing
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