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SHORT-TERM PERCEPTUAL TUNING TO TALKER CHARACTERISTICS
Robert E Remez1, Emily F Thomas1, Aislinn T Crank1
1Program in Neuroscience & Behavior, Department of Psychology Barnard College, Columbia University.
Language, Cognition and Neuroscience
|April 23, 2019
Summary
Listeners better recognize words after hearing talker-specific speech sounds. Exposure to voiced obstruent consonants, not general phonemes, improves perceptual tuning for unfamiliar talkers.
Area of Science:
- Speech perception
- Psychoacoustics
- Phonetics
Background:
- Listener accommodation to unfamiliar talkers involves assessing acoustic properties and idiolect.
- The role of specific speech segment exposure in this perceptual tuning is not fully understood.
Purpose of the Study:
- To investigate whether perceptual benefits of talker-specific tuning depend on exposure to particular speech segments.
- To determine the impact of controlled exposure to speech on spoken word identification.
Main Methods:
- A study controlled listener exposure to speech stimuli.
- Spoken word identification was assessed using 'Easy' and 'Hard' words.
- The effect of exposure to voiced obstruent consonants was measured.
Main Results:
- Recognition of spoken words was facilitated by prior exposure to voiced obstruent consonants.
- This benefit was observed for both easy and hard words.
Conclusions:
- Talker-specific perceptual tuning may rely more on exposure to phonemically marked consonants.
- Phonemic consonant exposure appears more critical than broad distribution across the phoneme inventory for tuning.
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