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Related Experiment Video

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

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

Published on: September 27, 2024

Auditory free classification of nonnative speech.

Eriko Atagi¹, Tessa Bent¹

¹Department of Speech and Hearing Sciences, Indiana University, 200 S Jordan Ave., Bloomington, IN 47405, U.S.A.

Journal of Phonetics

|December 24, 2013

Summary

This summary is machine-generated.

Listeners categorize nonnative speech primarily by accent. However, this perception shifts when speech is highly intelligible or listeners focus on the talker's native language background.

Keywords:

classification foreign-accented speech native language background perceptual similarity

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Area of Science:

Psycholinguistics
Auditory Perception
Speech Processing

Background:

Listeners naturally form categories for speech characteristics like talker, gender, and dialect based on experience.
Auditory free classification tasks help reveal how listeners represent speech features such as dialects and languages.

Purpose of the Study:

To investigate the perceptual organization and salient dimensions of nonnative speech.
To examine how listeners categorize nonnative speakers based on general similarity and perceived native language background.

Main Methods:

Utilized an auditory free classification task with nonnative speech stimuli.
Manipulated talker intelligibility and inclusion of native talkers to assess stimulus set effects.
Investigated perceptual categorization from perspectives of general similarity and perceived native language background.

Main Results:

The degree of accent in nonnative speech was a highly salient feature for listener categorization.
Accent salience decreased when stimuli were highly intelligible or when listeners focused on native language background.
Contextual factors, including attention to native language and intelligibility variability, influenced perceptual organization.

Conclusions:

Listeners' perceptual organization of nonnative speech is flexible and context-dependent.
The salience of accent is modulated by stimulus intelligibility and listener focus on talker background.