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Effects of Noise and Second Language on Conversational Dynamics in Task Dialogue
A Josefine Munch Sørensen1, Michal Fereczkowski1,2,3, Ewen N MacDonald1,4
1Hearing Systems Group, Department of Health Technology, Technical University of Denmark, Kongens Lyngby, Denmark.
Trends in Hearing
|June 30, 2021
Summary
Conversational dynamics are affected by noise and second language (L2) use. Talkers adjusted turn-taking timing, speaking slower and taking fewer turns to manage communication difficulty.
Area of Science:
- Speech communication
- Psycholinguistics
- Acoustic phonetics
Background:
- Conversational dynamics involve intricate turn-taking.
- Floor-transfer offsets (FTOs) measure the gap between turns.
- Predicting turn completion is key to smooth conversation.
Purpose of the Study:
- To measure conversational dynamics under challenging conditions.
- To investigate the impact of noise and second language (L2) on turn-taking.
- To analyze floor-transfer offsets (FTOs) and interpausal units.
Main Methods:
- Recorded 20 young, normal-hearing, native Danish speakers.
- Conversations in Danish and English, in quiet and noise (70 dBA SPL).
- Analyzed floor-transfer offsets (FTOs) and interpausal units.
Main Results:
- Increased FTO variability in noise and L2.
- Longer task completion times in noise and L2.
- Increased interpausal unit duration (18% in noise, 8% in L2).
- Slower speech in L2; fewer turns in noise and L2.
Conclusions:
- Noise and L2 increase communication difficulty.
- Talkers adapt by extending turns and reducing turn frequency.
- Turn-taking timing appears prioritized over other speech adjustments.
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