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A vocal placement model: I. Perceptual aspects.

A C Nichols, S Shellenberger

    Journal of Communication Disorders
    |October 1, 1985
    PubMed
    Summary
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    Speakers and listeners demonstrated agreement on vocal tract placement intentions. A five-volume vocal tract model showed perceptual validity, with speakers outperforming listeners in self-assessment.

    Area of Science:

    • Phonetics and Speech Science
    • Auditory Perception
    • Acoustic Phonetics

    Background:

    • Understanding vocal tract acoustics is crucial for speech production and perception research.
    • Previous models of vocal tract articulation have varied in complexity and scope.
    • Investigating the perceptual correlates of articulatory settings is an ongoing area of inquiry.

    Purpose of the Study:

    • To assess the perceptual agreement between speakers and listeners regarding intended vocal tract placement.
    • To evaluate a novel five-volume model of the vocal tract for its perceptual validity.
    • To compare the accuracy of naive listeners versus speakers in identifying vocal placement intentions.

    Main Methods:

    • Participants produced vowels and sentences with specific intended vocal tract placements.

    Related Experiment Videos

  • A five-volume vocal tract model (laryngopharynx to lips) was utilized for analysis.
  • Listener judgments of intended placement were compared against speaker intentions.
  • Speakers also performed a delayed-judgement self-listening task.

    • Main Results:

    • Naive listeners, as a group, showed significant concordance with speakers' intended vocal placement.
    • Speakers demonstrated superior accuracy compared to naive listeners in a self-listening task.
    • The results indicate that the proposed vocal tract model aligns with perceptual data.

    Conclusions:

    • The five-volume vocal tract model possesses perceptual validity.
    • Listeners can reliably perceive speakers' intended vocal tract placements.
    • Speaker self-monitoring of vocal tract placement is more precise than naive listener perception.