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Breathing patterns during spontaneous speech

A L Winkworth1, P J Davis, R D Adams

  • 1School of Communication Disorders, University of Sydney, Australia.

Journal of Speech and Hearing Research
|February 1, 1995
PubMed
Summary
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Speech breathing shows significant variability linked to mood and linguistic structure. Inspirations are timed before speech clauses, with lung volume adjusted for upcoming breath group length, suggesting neural planning.

Area of Science:

  • Speech science
  • Respiratory physiology
  • Linguistic phonetics

Background:

  • Speech production relies on complex respiratory control.
  • Variability in lung volumes and speech intensity is observed but not fully understood.
  • The interplay between physiological and linguistic factors in speech breathing requires further investigation.

Purpose of the Study:

  • To investigate lung volumes, speech intensity, and inspiration patterns during spontaneous speech.
  • To examine the variability in these parameters across subjects and sessions.
  • To explore associations between physiological measures and linguistic factors in speech breathing.

Main Methods:

  • Respiratory inductance plethysmography was used to measure lung volumes and breathing patterns.

Related Experiment Videos

  • Data were collected from 6 healthy young women during spontaneous speech over multiple sessions.
  • Mood state was assessed via self-report questionnaires, and linguistic structure was analyzed.

    • Main Results:

    • Significant inter- and intrasubject variability in initiation lung volume was observed (ranging from 42-63% VC in some subjects).
    • Lung volume variation was partly associated with mood state.
    • Inspirations predominantly preceded clause boundaries, and lung volume was adjusted based on the anticipated length of the breath group.

    Conclusions:

    • Speech breathing exhibits considerable physiological and linguistic variability.
    • Neural planning of the respiratory system likely anticipates the demands of speech utterances.
    • Findings offer novel insights into the integrated control of speech breathing.