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All Journal Studies in English Language and Education
Hassan, Roshidah
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Education Languange, Linguistic, Communication & Media

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Acoustic measurements and intelligibility of English vowels produced by Thai speakers Iadkert, Kamonnate; Hassan, Roshidah; Hashim, Azirah
Studies in English Language and Education Vol 11, No 2 (2024)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/siele.v11i2.33337

Abstract

Effective English communication across different languages and cultures has become increasingly important in a globalised world. To gain a deeper understanding of the segmental features of Thai speakers of English, this study aims to investigate the production of English monophthongs and diphthongs by Thai speakers and examine how intelligible their pronunciations are to others. Data were collected through two tasks: a production task and a listening task. For the production task, three Thai female speakers were chosen as the participants. They were recorded reading a passage consisting of all targeted vowels, and a total of 180 English tokens were analysed. For the listening task, thirty Malaysian listeners were asked to evaluate the speech intelligibility of the English sounds produced by the three speakers. The duration and formant frequencies of English vowels produced were measured to investigate the characteristics of the monophthongs and diphthongs. The findings show that there were significant differences in the durations between long and short vowels of the monophthongs, but there were no significant differences in the vowel quality produced. The ROC (rate of change) of formant frequencies (F1 and F2) indicates that there was no formant movement for the diphthongs /e/, //, and /e/. The three diphthongs showed similar characteristics as other ASEAN Englishes that are monophthongal as /e:/, /o:/, and /:/, respectively. These findings confirm that speakers L1 influences English vowel production. Although there were vowel variations in the characteristics of the vowels produced by the speakers, the intelligibility scores were high.
A comparison of English, Acehnese, and Indonesian monophthongs Masykar, Tanzir; Pillai, Stefanie; Hassan, Roshidah
Studies in English Language and Education Vol 10, No 3 (2023)
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/siele.v10i3.30477

Abstract

Foreign language learners tend to approximate the quality of non-native vowels to their existing vowel systems. This phenomenon becomes more complicated in learners who already have more than one vowel system in their linguistic repertoire. When learning English, Acehnese-Indonesian speakers are likely to already have two other vowel systems, Acehnese and Indonesian. Thus, the quality of English monophthongs produced by these speakers may resemble the equivalent of Acehnese and Indonesian monophthongs. This study compares the quality of English monophthongs to equivalent Acehnese and Indonesian monophthongs produced by Acehnese-Indonesian speakers. A total of 29 students from a Modern Islamic Boarding School in Aceh participated in this study. The students were recorded producing nine English, 11 Acehnese, and seven Indonesian monophthongs embedded in target words produced in a carrier sentence. The study found that the nine English monophthongs were produced at an approximate quality to either Acehnese and/or Indonesian monophthongs. In some cases, the English vowel was produced similarly to both the equivalent vowels in Acehnese and Indonesian. In other cases, the English vowel was produced more similarly to either Acehnese or Indonesian. The findings of this study provide insights into how Acehnese-Indonesian learners filter English vowels through their existing L1 and L2 sounds and allow for a better understanding of this phenomenon via existing conceptual models. The findings also point to the often-ignored influence of other languages in a speakers repertoire on the learning and production of a new language.
Co-Authors Hashim, Azirah Iadkert, Kamonnate Masykar, Tanzir Stefanie Pillai