期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 135, 期 2, 页码 EL95-EL101出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.4862881
关键词
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资金
- NSF [0843959]
- [ANR-10-LABX-0087 IEC]
- [ANR-10-IDEX-0001-02 PSL*]
- Division Of Behavioral and Cognitive Sci
- Direct For Social, Behav & Economic Scie [0843959] Funding Source: National Science Foundation
Does the acoustic input for bilingual infants equal the conjunction of the input heard by monolinguals of each separate language? The present letter tackles this question, focusing on maternal speech addressed to 11-month-old infants, on the cusp of perceptual attunement. The acoustic characteristics of the point vowels /a,i,u/ were measured in the spontaneous infant-directed speech of French-English bilingual mothers, as well as in the speech of French and English monolingual mothers. Bilingual caregivers produced their two languages with acoustic prosodic separation equal to that of the monolinguals, while also conveying distinct spectral characteristics of the point vowels in their two languages. (C) 2014 Acoustical Society of America
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