Vot and F0 in korean infant-directed speech
Keywords:Linguistics, Speech, Acoustic correlates, Infant-directed speech, Voice onset time
AbstractKorean oral stops are unique in their three-way laryngeal contrast for oral stops, called plain, fortis, and aspirated. The primary acoustic correlates of the contrast have been shown to be voice onset time (VOT). Three native Korean-speaking mothers were recorded at their homes for one hour as they interacted with their 5- month-old infants. Mothers were told to interact with their young infants in an everyday manner, while the researcher was in an adjacent room. The current research has implications for phonological development in Korean infants in light of recent findings suggesting a change in the Korean laryngeal contrast. The resulting wave files were transcribed by a native Korean speaker. CVs were tagged at consonant and vowel onset and offset. The pattern of VOT according to consonant type was similar in both registers.
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