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1 results

  • 30 - Duration-Based and Acoustic Speech Rhythm Metrics

  • from Section 5 - Rhythm across Languages
  • Edited by Lars Meyer, Max Planck Institute for Human Cognitive and Brain Sciences, Antje Strauss, University of Konstanz
  • Book:
    Rhythms of Speech and Language
    Published online:
    23 April 2026
    Print publication:
    07 May 2026, pp 553-565
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  • Summary

    Research on speech rhythm over the last decades has led to the widespread application of so-called rhythm metrics in order to empirically quantify variation in timing across languages and dialects. Many of these rhythm metrics are duration-based, such as the standard deviation of vocalic and consonantal interval duration (ΔV and ΔC), respectively, the coefficient of variation of vocalic interval duration (VarcoV), and the normalized pairwise variability index for vocalic intervals (nPVI-V). While these and other duration-based rhythm metrics have been widely used in research, and also tested for their reliability, there are also a number of lesser-used acoustic rhythm metrics. These indices rely solely on measures of variability in pitch, loudness, or factors, or combine them with measures of duration. This chapter discusses which rhythm metrics are available and concludes with practical recommendations for their application (an accompanying Praat script is available at https://osf.io/79qyg/).