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Updated: Jun 28, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Prominence and Grouping in Papuan Malay Prosody Perception.

Constantijn Kaland1

  • 1Institute of Linguistics, Linguistik I - Phonetik und Phonologie, Heinrich-Heine-Universität Düsseldorf, Germany.

Language and Speech
|June 26, 2026
PubMed
Summary

Listeners in Papuan Malay use various acoustic cues for speech signal processing, distinguishing between prominence allocation and grouping. This study reveals how duration, intensity, spectral tilt, and vowel quality influence these prosodic tasks.

Keywords:
Papuan Malaygroupingperceptionprominenceprosody

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Area of Science:

  • Linguistics
  • Phonetics
  • Psycholinguistics

Background:

  • Prosodic processing involves prominence allocation and grouping.
  • The separation of these functions is a core assumption in prosody modeling.
  • Papuan Malay prosody is under-researched.

Purpose of the Study:

  • Investigate prominence allocation and grouping at the word level in Papuan Malay.
  • Examine the influence of acoustic cues on these prosodic tasks.
  • Contribute to the understanding of prosodic theory and perceptual functions.

Main Methods:

  • Conducted tapping and grouping tasks with Papuan Malay speech stimuli.
  • Used acoustically manipulated sequences of strong and weak syllables.
  • Tested the effects of duration, intensity, spectral tilt, and vowel quality.

Main Results:

  • All tested acoustic cues facilitate prominence allocation when sufficiently strong.
  • Spectral tilt emerged as the primary cue for grouping.
  • Duration played a dual role, influencing both prominence and grouping.

Conclusions:

  • Acoustic cues differentially impact prominence and grouping in Papuan Malay.
  • Findings support the separation of perceptual functions in prosodic theory.
  • Enhances understanding of Papuan Malay prosody and cross-linguistic prosodic processing.