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Related Experiment Video

Updated: Jun 2, 2026

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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Published on: September 27, 2024

Word Durations in Non-Native English.

Rachel E Baker1, Melissa Baese-Berk, Laurent Bonnasse-Gahot

  • 1EF Education First 22 Chelsea Manor Street London SW3 5RL England, U.K.

Journal of Phonetics
|April 26, 2011
PubMed
Summary

Native English speakers exhibit distinct word duration patterns compared to non-native speakers. Specific word duration features in foreign-accented English correlate with perceived accentedness.

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Published on: July 13, 2019

Area of Science:

  • Phonetics
  • Second Language Acquisition
  • Sociolinguistics

Background:

  • Word duration is a key prosodic feature in spoken language.
  • Variations in word duration can impact the perception of foreign-accented speech.
  • Understanding these variations is crucial for analyzing second language (L2) phonology.

Purpose of the Study:

  • To compare English word durations between native (American English - AE) and non-native speakers (Korean, Chinese).
  • To investigate the influence of L1 background and L2 experience on non-native English word durations.
  • To determine if non-native word durations correlate with listener judgments of accentedness.

Main Methods:

  • Measured word durations in English paragraphs read by 12 AE, 20 Korean, and 20 Chinese speakers.
  • Collected accentedness ratings from AE listeners for the non-native speakers' speech.
  • Analyzed lexical features, including word predictability and frequency, and their effect on duration.

Main Results:

  • AE speech featured shorter durations, higher within-speaker variance, and greater function word reduction than non-native speech.
  • Both groups reduced durations for predictable and high-frequency words.
  • Non-native speakers with more native-like duration patterns, variance, and function word reduction were perceived as less accented.

Conclusions:

  • Word duration is a significant and multifaceted characteristic of foreign-accented English.
  • Specific duration patterns, such as native-like variance and function word reduction, contribute to lower perceived accentedness.
  • Lexical predictability influences word duration across both native and non-native speakers.