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This paper introduces MuseCPEval, a comprehensive evaluation framework for Music Context Preservation (MuseCP) in music editing systems, addressing the gap in existing methods that fail to adequately assess the preservation of essential musical facets during editing. By categorizing music attributes into four distinct facets and employing fine-grained metrics, the framework allows for nuanced evaluations that highlight the strengths and weaknesses of various editing systems. Objective validation and human studies confirm the effectiveness of these metrics, offering valuable insights for improving music editing strategies that prioritize MuseCP.
Existing music editing systems often compromise on preserving key musical elements, but MuseCPEval provides a robust framework to ensure these facets remain intact during editing.
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
