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Perceptual normalization for speaking rate: effects of temporal distance
1Department of Psychology, SUNY at Buffalo, NY 14260, USA. rochelle@art.fss.buffalo.edu
Perception & Psychophysics
|May 1, 1996
Summary
Speech perception rate normalization is influenced by the duration of adjacent phonemes. Distal phoneme duration matters only when close in time, suggesting a specific temporal window for these effects.
Area of Science:
- Psycholinguistics
- Auditory Perception
- Speech Processing
Background:
- Speech perception involves adjusting to variations in speaking rate.
- Understanding factors influencing rate normalization is crucial for speech processing models.
Purpose of the Study:
- To investigate how phoneme similarity, duration, and phonotactics affect rate normalization in speech perception.
- To determine the influence of adjacent and distal phonemes on target phoneme perception.
Main Methods:
- Experimental studies examining speech perception.
- Manipulation of phoneme properties (similarity, duration, phonotactics) and their positions relative to a target phoneme.
Main Results:
- The duration of the immediately following phoneme consistently impacted target phoneme perception.
- Phonotactics and acoustic similarity did not influence rate normalization.
- The duration of a distal phoneme affected perception only when it was temporally proximate to the target.
Conclusions:
- Rate normalization in speech perception operates within a defined temporal window.
- Adjacent phonemes, particularly their duration, are key factors influencing this temporal window.