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All Journal Jurnal Bahasa dan Sastra BAHAS Jurnal Arbitrer Fon: Jurnal Pendidikan Bahasa dan Sastra Indonesia ATAVISME JURNAL ILMIAH KAJIAN SASTRA JURNAL PENGABDIAN KEPADA MASYARAKAT Padjadjaran Journal of Dentistry Linguistic, English Education and Art (LEEA) Journal Kandai Mimbar Ilmu Metalingua: Jurnal Penelitian Bahasa JCRS (Journal of Community Research and Service) Suar Betang LINGUA : Jurnal Bahasa, Sastra, dan Pengajarannya MEDAN MAKNA: Jurnal Ilmu Kebahasaan dan Kesastraan Jurnal Suluh Pendidikan Lexeme : Journal of Linguistics and Applied Linguistics MEDIASI Jurnal Kajian dan Terapan Media, Bahasa, Komunikasi Journal of English Language and Education Jurnal Genre (Bahasa, Sastra, dan Pembelajarannya) EduInovasi: Journal of Basic Educational Studies Journal Of Academia In English Educations (JADEs) Joal : Journal of Applied Linguistics Linguistic, English Education and Art (LEEA) Journal AKSARA: Jurnal Bahasa dan Sastra Proceeding International Conference on Malay Identity Jurnal Abdimas Maduma Fonologi: Jurnal Ilmuan Bahasa dan Sastra Inggris Sintaksis: Publikasi Para Ahli Bahasa dan Sastra Inggris Blaze: Jurnal Bahasa dan Sastra dalam Pendidikan Linguistik dan Pengembangan Journey: Journal of English Language and Pedagogy Sawerigading
Tengku Syarfina
Universitas Sumatera Utara
Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Dentistry Education Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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Comparative Formants Analysis of English Vowels Using PRAAT Sekar Azzahra; Tengku Syarfina; Franinta Egia D. R Br Sembiring
Journey: Journal of English Language and Pedagogy Vol. 7 No. 2 (2024): Journey: Journal of English Language and Pedagogy
Publisher : UIBU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33503/journey.v7i2.838

Abstract

This research focuses on the comparative formant analysis of English vowels between native and non-native speakers using PRAAT software. The study aims to investigate the comparison of the acoustic properties of English vowels to understand the pronunciation differences encountered by non-native speakers. By analyzing the formant frequencies of monophthongs in English vowels, specifically the first formant (F1), this research seeks to identify any significant differences between English native speaker and five non-native speakers, whose first language is Indonesia. The data collected from speech samples will be descriptively analyzed to determine variations in formant patterns. The finding shows that the F1 values of the vowels show variations among the non-native speakers compared to the native speaker. There are still monophthongs that these participants mispronounce, indicating that the learner's understanding is an obstacle to their fluency in speaking and pronouncing the sounds correctly. The research findings imply that these mispronunciations are linked to differences in tongue height, vowel backness, and vowel quality between native and non-native speakers. The results underscore the analysis of F1 values for 12 words containing vowel monophthongs, highlighting these variations. This suggests that the learner's understanding of these phonetic aspects is crucial for achieving fluency in vowel production and pronunciation.
The Performance of OpenL as an AI Recognition of Interdental Fricatives [θ] and [ð] in Indonesian-Accented English Sufi, M. Iqbal Farabi; Tengku Syarfina
Journal of Applied Linguistics Vol. 5 No. 2 (2026): January 2026
Publisher : English Lecturers and Teachers Association (ELTA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52622/joal.v5i2.608

Abstract

This study investigates how Artificial Intelligence (AI) systems recognize the English interdental fricatives /θ/ and /ð/ in Indonesian-accented speech. Because these sounds are absent from the Indonesian phonological inventory, Indonesian learners often experience difficulty producing them, which may affect intelligibility and AI recognition. Using a qualitative phonetic analysis with AI-based comparison, speech data from six Indonesian learners of English and one native speaker were collected. The recordings were analyzed using Praat to examine acoustic characteristics and OpenL to generate speech-to-IPA transcriptions. The results show that many learner productions lacked sustained fricative turbulence, indicating non-target realizations of interdental fricatives. OpenL generally reflected these acoustic deviations rather than producing canonical forms, suggesting limited sensitivity to subtle fricative cues. Overall, the findings reveal an intersection between human phonetic challenges and technological limitations in current ASR systems, highlighting the need for accent-inclusive training data and focused pronunciation instruction to improve both intelligibility and AI speech recognition performance. Keywords : Interdental fricatives; Indonesian-accented English; OpenL
AN EXPLORATORY ACOUSTIC ANALYSIS OF ENGLISH INTERROGATIVES BY NATIVE DANISH AND INDONESIAN CHINESE MALE SPEAKERS Utami, Tri; Syarfina, Tengku
Jurnal Suluh Pendidikan Vol 14 No 1 (2026): Maret in Progress
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas HKBP Nommensen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36655/jsp.v14i1.2076

Abstract

This exploratory study investigates the acoustic realization of English interrogative sentences produced by native Danish and Indonesian Chinese male speakers. The study aims to identify cross-linguistic tendencies in second language (L2) prosody through the analysis of three acoustic parameters: duration, intensity, and pitch. The target sentence “Do you like coffee?” was recorded under controlled conditions and analyzed using Praat software. Although based on a very small sample (two speakers per group), the analysis revealed distinct prosodic tendencies between the two groups. The Danish speakers generally produced shorter utterances with greater pitch and intensity variation, while the Indonesian Chinese speakers tended to produce longer and more uniform duration patterns with narrower pitch ranges. These patterns may reflect influences from each group’s first language rhythmic and tonal systems, though the results remain exploratory and non-generalizable due to the limited data. The findings provide preliminary insights into cross-linguistic tendencies in L2 English interrogative prosody and highlight the need for replication with larger participant groups. Pedagogically, the study underscores the potential relevance of prosody-focused pronunciation instruction for learners from syllable-timed and tonal language backgrounds.
Co-Authors Adipati, M YUS Aisyah Inka Putri Lubis Annisah Inriani Harahap Arianda Tanjung Ayuanda, Winda Batubara, Nisa Anggraini Bima Prana Chitra Br Sembiring, Franinta Egia D. R Budiono, Satwiko Cristy, Samuel Nugraha Cut Nadia Muji Rahmah Deliana Elchaira, Nadya Erikson Saragih Erwina, Emmy Franinta Egia D. R Br Sembiring Ganie, Rohani Ganjar Harimansyah Guang Hong, Guang Gustianingsih, Gustianingsih Ika Andryas Ilma, Dzikri Ira Tanti Krisna Weny Lindawati S. Kusdhany LUBIS, TASNIM Maghfirah Rit Atusaadah Mahriyun Mahriyuni Maryana Sitinjak Mentari, Suci Muhammad Khairi Armis Mulyadi Mulyadi Muskar, Rahlina Mutia Irhamni Mutiara Zein Muyadi Muyadi, Muyadi Nasution, Anggita Bella Afrilla Nasution, Khairina Nidiya Mawarni Ningrum, Dwi Kurnia Surya Parasian, Nehemia Anugrah Prima Sholihatun Putri Annisa Zulhantiar Raees Narhan Rahmadsyah Rangkuti Rita Novita Rohani Ganie Rostina Taib Sahril Nfm Sekar Azzahra Sekar Azzahra Selly Rizki Yanita Sidabalok, Dindasari Silvana Sinar, T. Siregar, Maysarah Sitinjak, Dedy Rahmad Sufi, M. Iqbal Farabi Suriyani, Siti Tantri Dwi Kuswantari Tengku Silvana Sinar Thyrhaya Zein, T. Tri Utami