Cross-generational Change of /o/ and /u/ in Seoul Korean II: Spectral Interactions in Normalized Vowel Space
- Authors
- 강현숙; 한정임
- Issue Date
- Jun-2013
- Publisher
- 한국음성학회
- Keywords
- spectral changes; Seoul Korean /o; u/ vowels; log-mean normalized statistical results; overlap fraction values
- Citation
- 말소리와 음성과학, v.5, no.2, pp.33 - 41
- Indexed
- KCI
- Journal Title
- 말소리와 음성과학
- Volume
- 5
- Number
- 2
- Start Page
- 33
- End Page
- 41
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/30091
- DOI
- 10.13064/KSSS.2013.5.2.033
- ISSN
- 2005-8063
- Abstract
- This is a follow-up study on Han and Kang (2013) which argued that the Euclidean distances between /o/ and /u/ in Seoul Korean decreased in the first syllable position as speakers were among younger female speakers but not for male speakers,whereas in the second syllable position both gender groups showed a cross-generational decreasing effect of the Euclidean distance between /o/ and /u/.
This study normalized the same data in Han and Kang (2013) which measured 12 speakers (six males and six females) for each Age group and investigated the spectral changes vowels /o/ and /u/ between age and gender, using the log-mean normalized statistical results. This study also examined overlap fraction values generated in SOAM 2D (F1 x F2) (cf.
Wassink, 2006), which may also indicate the proximity of two vowels in question.
The results showed that /o/ and /u/ vowels were making closer with /o/ raising for female speakers in V1 and V2 positions but only in the V2 position for male speakers. That is, females led the upward movement of peripheral /o/ vowel, just like the raising of ‘e’ and ‘o’ in New York City (Labov, 1991). The results also showed that younger speakers used a rather narrow vowel space for the vowels. This also contributed to the proximity of the vowels /o/ and /u/, resulting in rather large overlap fraction values for younger speakers between these two vowels.
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