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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
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Matched guise effects can be robust to speech style.
1Department of Linguistics, University of Pennsylvania, 3401-C Walnut Street, Suite 300, Philadelphia, Pennsylvania 19104, USA tamminga@ling.upenn.edu.
The Journal of the Acoustical Society of America
|August 3, 2017
Summary
Researchers found that listeners evaluate social meaning in speech similarly whether using read or conversational speech samples. This indicates that read speech is a valid method for social meaning studies using the Matched Guise Technique.
Area of Science:
- Sociolinguistics
- Psycholinguistics
- Phonetics
Background:
- Listeners perceive social meaning from speech variability.
- The Matched Guise Technique (MGT) is a common method for studying speech perception.
- Researchers must choose between read or conversational speech for MGT stimuli.
Purpose of the Study:
- To investigate if speech style (read vs. conversational) affects social meaning evaluation in MGT.
- To determine the appropriateness of read speech stimuli in MGT research.
Main Methods:
- An experiment using the Matched Guise Technique (MGT).
- Stimuli compared social evaluation of /ɪŋ/ ∼ /ɪn/ variation.
- Variations were presented in both read and conversational speech styles.
Main Results:
- No significant difference was found in social evaluation of the /ɪŋ/ ∼ /ɪn/ variation.
- Listener evaluations did not differ across read and conversational speech frames.
Conclusions:
- Speech style does not impact the social meaning derived from this specific phonetic variation.
- Read speech stimuli are a suitable methodological choice for MGT studies on social meaning.
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