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Acoustic parameters in human speaker recognition.

W A van Dommelen1

  • 1University of Kiel, FRG.

Language and Speech
|July 1, 1990
PubMed
Summary

Speaker identification relies on voice characteristics like pitch and rhythm. Familiar female voices are recognized using fundamental frequency (F0) height, contour, and speech rhythm, with pitch being most important.

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Area of Science:

  • Acoustic Phonetics
  • Speech Perception
  • Speaker Recognition

Background:

  • Speaker identification is crucial for forensic and security applications.
  • Familiar voice recognition relies on various acoustic and prosodic cues.
  • Individual voice characteristics significantly influence the perception of speech.

Purpose of the Study:

  • To investigate the perceptual importance of F0 height, F0 contour, and speech rhythm in identifying familiar female speakers.
  • To determine the relative contribution of these factors to speaker recognition accuracy.

Main Methods:

  • Conducted four speaker identification tests using acoustic recordings of reiterant "ma" syllables.
  • Employed five female speakers known to the listeners.
  • Systematically varied F0 height, F0 contour, and speech rhythm to assess their perceptual relevance.

Main Results:

  • F0 height was a highly relevant cue for speakers with typically low or high voices.
  • F0 contour played a secondary role in speaker identification for all speakers.
  • Speech rhythm had a small but consistent influence on recognition rates.
  • Global spectral information alone accounted for approximately 50% of recognition scores.

Conclusions:

  • The relevance of perceptual cues in familiar voice recognition is not fixed but depends on speaker-specific voice characteristics.
  • F0 height is a primary cue for identifying speakers with distinct pitch ranges.
  • Prosodic features like F0 contour and speech rhythm contribute to, but are secondary to, pitch in familiar speaker identification.

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