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All Journal LLT Journal: A Journal on Language and Language Teaching
Yohana Veniranda
Sanata Dharma University, Yogyakarta
Arts Humanities Education Languange, Linguistic, Communication & Media Social Sciences

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Oral and Nasal Vowels in Pontianak Teochew Veniranda, Yohana
LLT Journal: A Journal on Language and Language Teaching Vol 18, No 2 (2015)
Publisher : English Education Study Programme of Sanata Dharma University, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1201.56 KB)

Abstract

The purpose of the study is to analyze the acoustic properties of the oral and nasal vowels, in terms of the values of the formants, the fundamental frequencies, the anti-formants, the intensity, and the bandwidths. The data were recorded and analyzed using the Praat program. The results show that there are changes of the average values of all the properties. The fundamental frequencies of the nasal vowels are all higher than their counterpart oral vowels. The hypothesis is correct for this acoustic property. However, by the test of significance t-test, only the nasal [ã] and diphthong [ũã] have significantly higher frequencies. The results of the average of intensity show that nasal vowels/ diphthongs may not always have higher intensity than their counterpart oral vowels/ diphthongs. DOI: https://doi.org/10.24071/llt.2015.180204
Voice Onset Time (VOT) and Vowel Duration Veniranda, Yohana
LLT Journal: A Journal on Language and Language Teaching Vol 15, No 2 (2012)
Publisher : English Education Study Programme of Sanata Dharma University, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (433.21 KB)

Abstract

This study investigates the effects of voicing of a preceding and following plosive on the Voice Onset Time (VOT) and vowel duration. The data consist of words with CVC segments, with the four groups of samples that represent both voiced and voiceless plosives, both for the ones following and preceding the vowels. The preliminary hypothesis is that voicing of following plosives affects the length of the vowels, indicated by the vowel duration, and VOT is affected by the voicing of the preceding plosives, not the following plosives. To compare the effects of voicing on the lengths of the vowel duration and VOT, the sound files are analyzed using the Praat program. The results of this study show that the voicing of the following plosives affects the vowel duration, while the voicing of the preceding plosives does not affect the vowel duration. The results also show that it is the voicing of the C1 plosives that affect the VOT. The word-ending plosives do not affect the VOT of the preceding plosives.This study is on English vowel duration and VOT affected by the following and preceding stops. A further study can be done to compare the results of the effects with another language. DOI: https://doi.org/10.24071/llt.2012.150201
Voice Onset Time (VOT) and Vowel Duration Yohana Veniranda
LLT Journal: A Journal on Language and Language Teaching Vol 15, No 2 (2012): October 2012
Publisher : English Education Study Programme of Sanata Dharma University, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/llt.v15i2.298

Abstract

This study investigates the effects of voicing of a preceding and following plosive on the Voice Onset Time (VOT) and vowel duration. The data consist of words with CVC segments, with the four groups of samples that represent both voiced and voiceless plosives, both for the ones following and preceding the vowels. The preliminary hypothesis is that voicing of following plosives affects the length of the vowels, indicated by the vowel duration, and VOT is affected by the voicing of thepreceding plosives, not the following plosives. To compare the effects of voicing on the lengths of the vowel duration and VOT, the sound files are analyzed using the Praat program. The results of this study show that the voicing of the following plosives affects the vowel duration, while the voicing of the preceding plosives does not affect the vowel duration. The results also show that it is the voicing of the C1 plosives that affect the VOT. The word-ending plosives do not affect the VOT of the preceding plosives.This study is on English vowel duration and VOT affected by the following and preceding stops. A further study can be done to compare the results of the effects with another language.
Oral and Nasal Vowels in Pontianak Teochew Yohana Veniranda
LLT Journal: A Journal on Language and Language Teaching Vol 18, No 2 (2015): October 2015
Publisher : English Education Study Programme of Sanata Dharma University, Yogyakarta, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24071/llt.v18i2.252

Abstract

The purpose of the study is to analyze the acoustic properties of the oral and nasal vowels, in terms of the values of the formants, the fundamental frequencies, the anti-formants, the intensity, and the bandwidths. The data were recorded and analyzed using the Praat program. The results show that there are changes of the average values of all the properties. The fundamental frequencies of the nasal vowels are all higher than their counterpart oral vowels. The hypothesis is correct for this acoustic property. However, by the test of significance t-test, only the nasal [a?] and diphthong [u?a?] have significantly higher frequencies. The results of the average of intensity show that nasal vowels/ diphthongs may not always have higher intensity than their counterpart oral vowels/ diphthongs.
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