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Speech prosody, voice quality and personality.

Brigitte Zellner Keller1

  • 1Department of Clinical Psychology and Rehabilitative Psychiatry, University Hospital of Social and Community Psychiatry, Bern, Switzerland. Brigitte.ZellnerKeller@unil.ch

Logopedics, Phoniatrics, Vocology
|September 9, 2005
PubMed
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This study reveals that individual voice intonation patterns are unique, unlike speech intensity which remains consistent across speakers. These intonational differences may link to personality traits.

Area of Science:

  • Linguistics
  • Psychology
  • Speech Science

Background:

  • The individual characteristics of spoken language, particularly speech prosody (rhythm, intonation, intensity), are not well understood.
  • Previous research suggests a connection between a speaker's prosodic style and their perceived personality.

Purpose of the Study:

  • To investigate the 'individuation' of oral language by analyzing speech prosody in male speakers.
  • To explore the relationship between individual prosodic styles, specifically intonation and intensity, and personality traits.

Main Methods:

  • Analyzed fundamental frequency (F0) distributions for intonation and decibel (dB) distributions for intensity in 34 male speakers.
  • Examined speech samples from both text-reading and spontaneous speech tasks.

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Main Results:

  • Fundamental frequency (F0) distributions varied significantly among speakers, irrespective of the speech task.
  • Decibel (dB) distributions for speech intensity were highly consistent across all speakers.
  • Individual intonational styles were further analyzed in relation to personality styles.

Conclusions:

  • Speech intensity is a stable, non-individualized characteristic across speakers in this study.
  • Individual intonational patterns show distinct variations among speakers, suggesting a potential link to personality.
  • Further research is warranted to fully understand the connection between unique intonational styles and personality profiles.