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Phonetic training with acoustic cue manipulations: A comparison of methods for teaching English /r/-/l/ to Japanese adults

Iverson, Paul, Hazan, Valerie, Bannister, Kerry·2005·The Journal of the Acoustical Society of America

Abstract

Recent work [Iverson et al. (2003) Cognition, 87, B47–57] has suggested that Japanese adults have difficulty learning English /r/ and /l/ because they are overly sensitive to acoustic cues that are not reliable for /r/-/l/ categorization (e.g., F2 frequency). This study investigated whether cue weightings are altered by auditory training, and compared the effectiveness of different training techniques. Separate groups of subjects received High Variability Phonetic Training (natural words from multiple talkers), and 3 techniques in which the natural recordings were altered via signal processing (All Enhancement, with F3 contrast maximized and closure duration lengthened; Perceptual Fading, with F3 enhancement reduced during training; and Secondary Cue Variability, with variation in F2 and durations increased during training). The results demonstrated that all of the training techniques improved /r/-/l/ identification by Japanese listeners, but there were no differences between the techniques. Training also altered the use of secondary acoustic cues; listeners became biased to identify stimuli as English /l/ when the cues made them similar to the Japanese /r/ category, and reduced their use of secondary acoustic cues for stimuli that were dissimilar to Japanese /r/. The results suggest that both category assimilation and perceptual interference affect English /r/ and /l/ acquisition.

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Metadata

Authors
Iverson, P., Hazan, V., & Bannister, K.
Venue
The Journal of the Acoustical Society of America
Published
2005-11-01
Volume
118
Issue
5
Pages
3267-3278
ISSN
  • 0001-4966 (ISSN-L)
  • 1520-8524
OpenAlex
W2095459173
Cited by
277
References
31
FWCI
5.83
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Phonetic training with acoustic cue manipulations: A comparison of methods for teaching English /r/-/l/ to Japanese adults. https://app.cochat.ai/papers/10.1121/1.2062307
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Iverson, P., Hazan, V., & Bannister, K. (2005). Phonetic training with acoustic cue manipulations: A comparison of methods for teaching English /r/-/l/ to Japanese adults. The Journal of the Acoustical Society of America. https://doi.org/10.1121/1.2062307

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