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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Race Identification in American English.

Yolanda Feimster Holt1, Tessa Bent2, Melissa Baese-Berk3

  • 1Department of Communication Sciences and Disorders, East Carolina University, Greenville, NC.

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Summary
This summary is machine-generated.

Listeners accurately identified speaker race in North Carolina dialects. However, West North Carolina Black speakers were harder to identify, suggesting shared speech patterns influence race categorization.

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Area of Science:

  • Sociolinguistics
  • Acoustic Phonetics
  • Race and Speech Perception

Background:

  • Race identification is influenced by linguistic cues.
  • Southern American English dialects exhibit regional variations.
  • Acoustic properties of speech can correlate with social identity.

Purpose of the Study:

  • To investigate how self-identified race, dialect region, and acoustic speech features impact race categorization of Southern American English speakers.
  • To determine if listeners can accurately identify the race of speakers from different regions of North Carolina.
  • To explore the role of acoustic variables in listener race categorization.

Main Methods:

  • Listeners from Southern (North Carolina) and Midland (Indiana) regions participated.
  • Participants heard /hVd/ words produced by Black and White talkers from East and West North Carolina.
  • Listener accuracy in categorizing speaker race was analyzed.

Main Results:

  • Listeners accurately categorized speaker race above chance across all groups.
  • West North Carolina Black talkers were categorized with the lowest accuracy, only slightly above chance.
  • Accuracy differences suggest dialectal similarities influence race perception.

Conclusions:

  • Speech production similarities between Black and White talkers in West North Carolina affect the racial categorization of Black speakers.
  • Acoustic spectral features of speech are implicated in these categorization patterns.
  • Findings highlight the complex interplay between dialect, acoustic properties, and race perception.