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This paper introduces MuseCPEval, the first comprehensive framework for evaluating Music Context Preservation (MuseCP) in music editing systems. The framework assesses whether musical elements that should remain unchanged during editing tasks like timbre transfer or instrument substitution are actually preserved, using fine-grained metrics across four categories of music facets. Validation through objective measures and human studies demonstrates the framework's effectiveness in identifying strengths and limitations of existing music editing systems.
Why it matters
This evaluation framework addresses a critical gap in music production technology by providing systematic methods to assess editing quality beyond the modified elements. It offers developers of music editing tools for film, broadcasting, and gaming a diagnostic testbed to improve reliability and effectiveness of their systems.
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⚠️ Preprint – Noch nicht peer-reviewed
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Abstract: Music editing plays a vital role in modern music production, with applications in film, broadcasting, and game development. Recent advances in music editing systems have enabled diverse editing tasks such as timbre transfer, instrument substitution, and genre transformation. However, many existing works overlook evaluating their ability to preserve musical facets that should remain unchanged during editing, which we define as Music Context Preservation (MuseCP). While some studies do consider MuseCP, their evaluation protocols and metrics are not comprehensive. To address this, we introduce the first MuseCP evaluation framework, MuseCPEval, that covers four categories of music facets with fine-grained and well-tailored metrics to capture nuanced changes in music attributes. Objective validation and a human study demonstrate the effectiveness of these metrics. Moreover, the case studies on diverse music editing systems illustrate the practical utility of these metrics as a testbed and diagnostic tool, providing insights into the strengths and limitations of existing systems. We hope our metrics and findings can offer practical guidance for developing more effective and reliable music editing strategies with strong MuseCP capability
Source: Evaluating Music Context Preservation: A Multi-facet Framework for Music Editing Systems