Music Separation Enhancement with Generative Modeling
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Abstract (arXiv)
Despite phenomenal progress in recent years, state-of-the-art music separation systems produce source estimates with significant perceptual shortcomings, such as adding extraneous noise or removing harmonics. We propose a post-processing model (the Make it Sound Good (MSG) post-processor) to enhance the output of music source separation systems. We apply our post-processing model to state-of-the-art waveform-based and spectrogram-based music source separators, including a separator unseen by MSG during training. Our analysis of the errors produced by source separators shows that waveform models tend to introduce more high-frequency noise, while spectrogram models tend to lose transients and high frequency content. We introduce objective measures to quantify both kinds of errors and show MSG improves the source reconstruction of both kinds of errors. Crowdsourced subjective evaluations demonstrate that human listeners prefer source estimates of bass and drums that have been post-processed by MSG.
Key facts. Cited by 8 papers in the map (data through 14 Oct 2026). Builds on 39 of its 63 references that are in the map. First posted on arXiv 26 Aug 2022.
Builds on
39 of 63 references.
References · 39
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27 more
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Built on by
Citing papers per year: 2022: 1; 2023: 3; 2024: 1; 2025: 1; 2026: 2.
8 papers.
- 2023TokenSplit: Using Discrete Speech Representations for Direct, Refined, and Transcript-Conditioned Speech Separation and Recognitioncited by 8
- 2022JaCappella Corpus: A Japanese a Cappella Vocal Ensemble Corpuscited by 5
- 2023Exploiting Time-Frequency Conformers for Music Audio Enhancementcited by 2
- 2023Distribution Preserving Source Separation With Time Frequency Predictive Modelscited by 1
- 2024Improving Music Source Separation with Diffusion and Consistency Refinementcited by 1
- 2025Generating Separated Singing Vocals Using a Diffusion Model Conditioned on Music Mixturescited by 1
- 2026A Knowledge-Driven Approach to Music Segmentation, Music Source Separation and Cinematic Audio Source Separationcited by 0
- 2026DTT-BSR+: A Generative-Regression Cascade for Music Source Restorationcited by 0
- 2026DTT-BSR+: A Generative-Regression Cascade for Music Source Restoration23 Jun 2026
- 2026A Knowledge-Driven Approach to Music Segmentation, Music Source Separation and Cinematic Audio Source Separation25 Feb 2026
- 2025Generating Separated Singing Vocals Using a Diffusion Model Conditioned on Music Mixtures26 Nov 2025
- 2024Improving Music Source Separation with Diffusion and Consistency Refinement9 Dec 2024
- 2023Exploiting Time-Frequency Conformers for Music Audio Enhancement24 Aug 2023
- 2023TokenSplit: Using Discrete Speech Representations for Direct, Refined, and Transcript-Conditioned Speech Separation and Recognition21 Aug 2023
- 2023Distribution Preserving Source Separation With Time Frequency Predictive Models10 Mar 2023
- 2022JaCappella Corpus: A Japanese a Cappella Vocal Ensemble Corpus29 Nov 2022