Testing an acoustic model of the P-center in English and Japanese

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2024
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Lin, Chia-Yuan
Kubozono, Haruo
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The Journal of the Acoustical Society of America. Acoustical Society of America (ASA). 2024, 155(4), pp. 2698-2706. ISSN 0001-4966. eISSN 1520-8524. Available under: doi: 10.1121/10.0025777
Zusammenfassung

The notion of the “perceptual center” or the “P-center” has been put forward to account for the repeated finding that acoustic and perceived syllable onsets do not necessarily coincide, at least in the perception of simple monosyllables or disyllables. The magnitude of the discrepancy between acoustics and perception—the location of the P-center in the speech signal— has proven difficult to estimate, though acoustic models of the effect do exist. The present study asks if the P-center effect can be documented in natural connected speech of English and Japanese and examines if an acoustic model that defines the P-center as the moment of the fastest energy change in a syllabic amplitude envelope adequately reflects the P-center in the two languages. A sensorimotor synchronization paradigm was deployed to address the research questions. The results provide evidence for the existence of the P-center effect in speech of both languages while the acoustic P-center model is found to be less applicable to Japanese. Sensorimotor synchronization patterns further suggest that the P-center may reflect perceptual anticipation of a vowel onset.

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400 Sprachwissenschaft, Linguistik
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ISO 690RATHCKE, Tamara, Eline A. SMIT, Chia-Yuan LIN, Haruo KUBOZONO, 2024. Testing an acoustic model of the P-center in English and Japanese. In: The Journal of the Acoustical Society of America. Acoustical Society of America (ASA). 2024, 155(4), pp. 2698-2706. ISSN 0001-4966. eISSN 1520-8524. Available under: doi: 10.1121/10.0025777
BibTex
@article{Rathcke2024Testi-69954,
  year={2024},
  doi={10.1121/10.0025777},
  title={Testing an acoustic model of the P-center in English and Japanese},
  number={4},
  volume={155},
  issn={0001-4966},
  journal={The Journal of the Acoustical Society of America},
  pages={2698--2706},
  author={Rathcke, Tamara and Smit, Eline A. and Lin, Chia-Yuan and Kubozono, Haruo}
}
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