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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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Structural and Referent-Based Effects on Prosodic Expression in Russian.

Tatiana Luchkina1, Jennifer S Cole

  • 1Central Connecticut State University, New Britain, Conn., USA.

Phonetica
|February 17, 2017
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Summary
This summary is machine-generated.

This study reveals how sentence structure and referent characteristics influence speech prosody in Russian speakers. Factors like word position, animacy, and information status affect acoustic-prosodic measures, impacting spoken language production.

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Area of Science:

  • Linguistics
  • Phonetics
  • Psycholinguistics

Background:

  • Prosody, the rhythm and intonation of speech, is crucial for conveying meaning.
  • Variations in prosody can arise from linguistic structure and the semantic/pragmatic roles of words.
  • Understanding these variations is key to deciphering the complexities of spoken language.

Purpose of the Study:

  • To investigate the influence of structural and referent-based factors on acoustic-prosodic expression in Russian read speech.
  • To analyze how word position, animacy, subjecthood, and information status affect prosodic features.
  • To examine the combined and interactive effects of these factors on speech production.

Main Methods:

  • Analysis of read productions of two published narratives by 15 native Russian speakers.
  • Measurement of acoustic-prosodic features including mean intensity, duration, and f0 range.
  • Examination of structural factors (e.g., ex-situ word placement) and referent-based factors (e.g., animacy, subjecthood, information status).

Main Results:

  • Prosodic augmentation was observed for ex-situ words, irrespective of their semantic or grammatical features.
  • Words functioning as subjects with animate referents showed increased prosodic augmentation.
  • Discourse-given and discourse-new information received greater prosodic emphasis compared to inferable information.

Conclusions:

  • Both structural and referent-based factors significantly modulate acoustic-prosodic expression in Russian read speech.
  • These factors interact, leading to complex patterns of prosodic augmentation and reduction.
  • Individual speaker variation highlights the nuanced interplay of linguistic and cognitive processes in speech production.