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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
Published on: September 27, 2024
Separability of prosodic phrase boundary and phonemic information
1Department of Linguistics and English Language, The University of Edinburgh, Dugald, Stewart Building, 3 Charles Street, Edinburgh, Scotland EH8 9AD, United Kingdom. satsuki@ling.ed.ac.uk
The Journal of the Acoustical Society of America
|March 3, 2011
Summary
Retrieving speech information is easier when prosodic cues are combined. Integrating suprasegmental cues, like duration and F0, enhances the processing of both prosodic and phonemic details in spoken language.
Area of Science:
- Phonetics
- Auditory Perception
- Speech Processing
Background:
- Prosodic and phonemic information are crucial for speech comprehension.
- Suprasegmental cues play a role in encoding linguistic information.
- Understanding the interaction between different speech cues is key to auditory processing.
Purpose of the Study:
- To investigate how co-occurring suprasegmental cues affect the retrieval of prosodic and phonemic information.
- To examine the processing interaction between prosodic phrase-boundary and stop-place information.
- To determine if integrated prosodic cues facilitate information retrieval.
Main Methods:
- Conducted two-choice speeded classification experiments.
- Tested speakers of Southern British English.
- Manipulated prosodic cues (duration, F0) signaling pre-boundary vowels and stop-place information.
Main Results:
- The interaction between phrase-boundary and stop-place information decreased when the pre-boundary vowel was signaled by both duration and F0.
- This interaction was greater when cues were presented individually (duration alone or F0 alone).
- Results indicate a diminished processing conflict with integrated prosodic cues.
Conclusions:
- The integration of prosodic cues (duration and F0) facilitates the retrieval of both prosodic and phonemic information.
- Combined suprasegmental cues offer an advantage in speech processing.
- This finding supports the hypothesis that cue integration enhances auditory information extraction.
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