DOI QR코드

DOI QR Code

An Experimental Study on the English Vowel Lengths Using the Praat Software Program

Praat소프트웨어 프로그램을 이용한 영어모음 길이에 관한 실험적 연구

  • Received : 2012.06.11
  • Accepted : 2012.07.29
  • Published : 2012.09.30

Abstract

The purpose of this experimental study is to investigate and compare the vowel lengths of the English diphthongs, /eɪ/ and /aɪ/, and the front low vowel /æ/ among English-speaking natives with Korean college students using the Praat software program. To do this English sentences were uttered and recorded by twelve subjects, six Korean subjects and six English-speaking native subjects. All the subjects are female and their age ranges from 23 to 35. Acoustic features(duration) were measured from a sound spectrogram with the help of the Praat software program and analyzed through statistical analysis. Results showed that the vowel lengths of the English diphthongs and the front low vowel between native English speakers and Korean collegians were different. In the pronunciation of the diphthongs /eɪ/ and /aɪ/, Korean subjects pronounced longer than native subjects did, but the difference was not significant. However, in the pronunciation of the English front low vowel /æ/, native subjects pronounced significantly longer than Korean subjects did. From the data of the overall sum of words and vowels between the two subject groups, we were able to find out that the differences of lengths of both the three words and the two diphthongs /eɪ/ and /aɪ/ were not significant, but those of /æ/ were significant.

본 연구는 Praat 소프트웨어 프로그램을 이용하여 영어이중모음 /eɪ/ 와 /aɪ/, 그리고 영어전설저모음 /æ/의 발음 길이에 관해 한국인 피 실험자와 원어민 피 실험자를 대상으로 그 차이를 비교분석해보고자 한 연구이다. 이 연구를 위해서 영어문장이 발화되고 녹음되었으며, 피 실험자는 한국인과 원어민 각각 6명씩 참가하였으며, 모두 여성이었고 나이는 23세에서 35세에 위치하고 있다. 음향특질중 하나인 길이측정을 위해서 Praat소프트웨어 프로그램을 활용하였으며, 그 결과를 통계 처리하였다. 실험결과 /eɪ/ 와 /aɪ/에서는 한국인들이 더 길게 발음하였지만 그 차이가 통계상 유의미한 수준은 아니었다. 그러나 /æ/의 발음에서는 한국인들의 발음 길이가 원어민에 비해 훨씬 짧았으며, 그 차이도 통계상 유의미한 수준으로 나타났다.

Keywords

References

  1. Heesuk Park, "A study of Co-relation between the Length of English Low Vowels and Dipthongs by Korean Exchange students," Journal of Pan-Pacific Association of Applied Linguistics, Vol.14, No.2, pp. 25-39, 2010.
  2. Park, HeeSuk, "An experimental study on English vowel lengths as produced by Korean college students in Chungnam and Gyungnam provinces," Speech Sciences, Vol. 10, No. 3, pp. 157-173, 2003.
  3. Thomas H. Crystal and Arthur S. House, "The duration of American-English vowels," Journal of Phonetics 16, pp. 263-284, 1988.
  4. Harriet S. Magen and Sheila E. Blumstein,"Effects of speaking rate on the vowel length distinction in Korean," Journal of Phonetics 21, pp. 387-409, 1933.
  5. Dennis H. Klatt, "Interaction between two factors that influence vowel duration," The Journal of the Acoustical Society of America, Vol54, No.5, pp. 1102-1104, 1973. https://doi.org/10.1121/1.1914322
  6. Dennis H. Klatt, "Vowel lengthening is syntactically determined in a connected discourse," Journal of Phonetics 3, pp. 129-140, 1975.
  7. D. Kimbrough Oller, "The effect of position in utterance on speech segment duration in English," Journal of the Acoustical Society of America, 54, pp. 1235 - 1247, 1973. https://doi.org/10.1121/1.1914393
  8. Kim, KongOn, "Temporal structure of spoken Korean: An acoustic phonetic study, Ph. D. dissertation," University of Southern California, 1974
  9. Ko, DoHeung, "A spectrographical investigation of vowel duration in Korean," Yuh, Mok-Sang memorial collection of papers.51-62, 1988.
  10. Park, HeeSuk, "A Study of the English Pronunciation of Korean Exchange Students," Journal of The Korean Society of Speech Sciences Vol.1, No.3, pp. 87-93, 2009.
  11. Yang, B., " A comparative study of American English and Korean vowels produced by male and female speakers," Journal of Phonetics, 24, pp. 245-261, 1966.

Cited by

  1. A Visual Study of the Quality of English Pronunciation Using the Praat Program vol.14, pp.3, 2013, https://doi.org/10.9728/dcs.2013.14.3.323
  2. A Visual Study of the Phonemic Awareness vol.16, pp.2, 2015, https://doi.org/10.9728/dcs.2015.16.2.219