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How Talker Variability Affects Cantonese Lexical Tone Perception: Testing Models of Talker Adaptation in a Tone Language.

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Title: How Talker Variability Affects Cantonese Lexical Tone Perception: Testing Models of Talker Adaptation in a Tone Language.
Authors: Wu, Zixuan1, Enoch Li, Yik Yat1, To, Carol K. S.1 tokitsum@hku.hk
Source: Journal of Speech, Language & Hearing Research. Mar2026, Vol. 69 Issue 3, p932-943. 12p.
Subject Terms: *Phonological awareness, *Audiometry, *Psychological adaptation, *Listening, *Speech perception, *Theory, *Hearing, Labor productivity, Descriptive statistics, Chi-squared test, Physiological aspects of speech, Linguistics, Mathematical models, Analysis of variance, Phonetics, Data analysis software
Geographic Terms: Hong Kong (China)
Abstract: Purpose: Adapting to talker variability typically incurs a cost to speech perception. However, it remains unclear whether the underlying mechanism of multitalker processing cost (MTPC) reflects the recomputation of acoustic-phonetic interpretations or the reorientation of auditory attention. This study tests these accounts in Cantonese lexical tone perception, where lexical tone categories and talker identity are both represented in fundamental frequency (F0). Method: Two tone pairs, one differing primarily in F0 height and one differing in F0 contour, were used in a within-subject tone identification task. The number of talkers was manipulated (one, two, four, and eight), varying the numbers of acoustic-phonetic interpretations required. Measures included accuracy, response time, and an efficiency index. Listeners' expectations about talker variability were also assessed for the modulation of the cost. Results: As the number of talkers increased from one to two to four, both tone pairs displayed a gradual increase in MTPC (reduced accuracy, longer response times, or lower efficiency). No additional cost was observed from four to eight talkers. The magnitude of the cost was modulated by expectations. Conclusions: The results suggest that talker adaptation in lexical tone perception is an active process that initially requires recomputation but plateaus with increasing talker exposure. Importantly, the underlying mechanisms differ from that observed in English vowel perception, indicating that talker variability interacts with language-specific phonetic demands. This highlights the need for cross-linguistic approaches to models of multitalker processing. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Education Research Complete
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Speech%2C+Language+%26+Hearing+Research%22">Journal of Speech, Language & Hearing Research</searchLink>. Mar2026, Vol. 69 Issue 3, p932-943. 12p.
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  Data: Purpose: Adapting to talker variability typically incurs a cost to speech perception. However, it remains unclear whether the underlying mechanism of multitalker processing cost (MTPC) reflects the recomputation of acoustic-phonetic interpretations or the reorientation of auditory attention. This study tests these accounts in Cantonese lexical tone perception, where lexical tone categories and talker identity are both represented in fundamental frequency (F0). Method: Two tone pairs, one differing primarily in F0 height and one differing in F0 contour, were used in a within-subject tone identification task. The number of talkers was manipulated (one, two, four, and eight), varying the numbers of acoustic-phonetic interpretations required. Measures included accuracy, response time, and an efficiency index. Listeners' expectations about talker variability were also assessed for the modulation of the cost. Results: As the number of talkers increased from one to two to four, both tone pairs displayed a gradual increase in MTPC (reduced accuracy, longer response times, or lower efficiency). No additional cost was observed from four to eight talkers. The magnitude of the cost was modulated by expectations. Conclusions: The results suggest that talker adaptation in lexical tone perception is an active process that initially requires recomputation but plateaus with increasing talker exposure. Importantly, the underlying mechanisms differ from that observed in English vowel perception, indicating that talker variability interacts with language-specific phonetic demands. This highlights the need for cross-linguistic approaches to models of multitalker processing. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Speech, Language & Hearing Research is the property of American Speech-Language-Hearing Association and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=ehh&AN=192310457
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        Value: 10.1044/2025_JSLHR-25-00498
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 932
    Subjects:
      – SubjectFull: Phonological awareness
        Type: general
      – SubjectFull: Audiometry
        Type: general
      – SubjectFull: Psychological adaptation
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      – SubjectFull: Listening
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      – SubjectFull: Hearing
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      – SubjectFull: Analysis of variance
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      – SubjectFull: Hong Kong (China)
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    Titles:
      – TitleFull: How Talker Variability Affects Cantonese Lexical Tone Perception: Testing Models of Talker Adaptation in a Tone Language.
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            NameFull: Wu, Zixuan
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              Text: Mar2026
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