Acoustic Data on Vowel Nasalization Across Prosodic Conditions in L1 Korean and L2 English by Native Korean Speakers

Jiyoung Jang, Sahyang Kim and Taehong Cho ()
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Jiyoung Jang: Hanyang Institute for Phonetics and Cognitive Sciences of Language, Hanyang University, Seoul 04763, Republic of Korea
Sahyang Kim: Department of English Education, Hongik University, Seoul 04066, Republic of Korea
Taehong Cho: Hanyang Institute for Phonetics and Cognitive Sciences of Language, Hanyang University, Seoul 04763, Republic of Korea

Data, 2025, vol. 10, issue 6, 1-15

Abstract: This article presents acoustic data on coarticulatory vowel nasalization from the productions of twelve L1 Korean speakers and of fourteen Korean learners of L2 English. The dataset includes eight monosyllabic target words embedded in eight carrier sentences, each repeated four times per speaker. Half of the words contain a nasal coda such as p*am in Korean and bomb in English and the other half a nasal onset such as mat in Korean and mob in English. These were produced under varied prosodic conditions, including three phrase positions and two focus conditions, enabling analysis of prosodic effects on vowel nasalization across languages along with individual speaker variation. The accompanying CSV files provide acoustic measurements such as nasal consonant duration, A1-P0, and normalized A1-P0 at multiple timepoints within the vowel. While theoretical implications have been discussed in two published studies, the full dataset is published here. By making these data publicly available, we aim to promote broad reuse and encourage further research at the intersection of prosody, phonetics, and second language acquisition—ultimately advancing our understanding of how phonetic patterns emerge, transfer, and vary across languages and learners.

Keywords: vowel nasalization; nasal duration; prosodic structure; Korean; L2 English; individual difference (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2025
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