Rhythmic segment analysis: Conceptualizing, visualizing, and measuring rhythmic data

Fuente: arXiv
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Main Author: Cornelissen, Bas
Format: Preprint
Published: 2026
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author Cornelissen, Bas
author_facet Cornelissen, Bas
contents This paper develops a framework for conceptualizing, visualizing, and measuring regularities in rhythmic data. I propose to think about rhythmic data in terms of interval segments: fixed-length groups of consecutive intervals, which can be decomposed into a duration and a pattern (the ratios between the intervals). This simple conceptual framework unifies three rhythmic visualization methods and yields a fourth: the pattern-duration plot. When paired with a cluster transition network, it intuitively reveals regularities in both synthetic and real-world rhythmic data. Moreover, the framework generalizes two common measures of rhythmic structure: rhythm ratios and the normalized pairwise variability index (nPVI). In particular, nPVI can be reconstructed as the average distance from isochrony, and I propose a more general measure of anisochrony to replace it. Finally, the novel concept of quantality may shed light on wider debates regarding small-integer-ratio rhythms.
format Preprint
id arxiv_https___arxiv_org_abs_2603_26988
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Rhythmic segment analysis: Conceptualizing, visualizing, and measuring rhythmic data
Cornelissen, Bas
Sound
Audio and Speech Processing
00A65
This paper develops a framework for conceptualizing, visualizing, and measuring regularities in rhythmic data. I propose to think about rhythmic data in terms of interval segments: fixed-length groups of consecutive intervals, which can be decomposed into a duration and a pattern (the ratios between the intervals). This simple conceptual framework unifies three rhythmic visualization methods and yields a fourth: the pattern-duration plot. When paired with a cluster transition network, it intuitively reveals regularities in both synthetic and real-world rhythmic data. Moreover, the framework generalizes two common measures of rhythmic structure: rhythm ratios and the normalized pairwise variability index (nPVI). In particular, nPVI can be reconstructed as the average distance from isochrony, and I propose a more general measure of anisochrony to replace it. Finally, the novel concept of quantality may shed light on wider debates regarding small-integer-ratio rhythms.
title Rhythmic segment analysis: Conceptualizing, visualizing, and measuring rhythmic data
topic Sound
Audio and Speech Processing
00A65
url https://arxiv.org/abs/2603.26988