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Talker identification based on phonetic information

R E Remez1, J M Fellowes, P E Rubin

  • 1Department of Psychology, Barnard College, New York, New York 10027-6598, USA. remez@paradise.barnard.columbia.edu

Journal of Experimental Psychology. Human Perception and Performance
|June 1, 1997
PubMed
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Listeners can identify both words and talkers using phonetic information. This study shows that even without natural voice quality, speech perception relies on these core phonetic properties for identification.

Area of Science:

  • Psychology
  • Linguistics
  • Acoustics

Background:

  • Traditional models of speech perception differentiate word and talker identification based on distinct acoustic cues.
  • Word identification typically involves abstracting away talker-specific information, while talker identification focuses on voice quality, disregarding phonetic details.

Purpose of the Study:

  • To investigate whether phonetic properties alone are sufficient for both word and talker identification.
  • To challenge existing models by examining speech perception using stimuli that preserve phonetic information but lack natural voice quality.

Main Methods:

  • Three experiments were conducted using sinewave replicas of natural speech from 10 talkers.
  • Sinewave replicas were designed to eliminate natural voice quality while retaining idiosyncratic phonetic variations.

Related Experiment Videos

Main Results:

  • Listeners successfully identified the talkers from sinewave replicas.
  • Talker identification was achieved without relying on acoustic attributes of natural voice quality.

Conclusions:

  • Phonetic properties of speech are crucial for identifying both the linguistic message (words) and the speaker (talkers).
  • This supports a revised model of speech perception where phonetic information plays a dual role in identification processes.