Document Type : Original Article
Authors
1 Assistant Professor in Persian Language and Literature, Shahrood University of Technology, Shahrood, Iran.
2 Assistant Professor in Lexicography Department, Persian Language and Literature Academy, Tehran, Iran.
Abstract
This study introduced the diphthongs of the Khafi dialect and provided examples of words containing these diphthongs. It then examined the experimental results for measuring the acoustic characteristics of these diphthongs. The aim was to provide a precise and scientific phonetic transcription of the lexical units of this dialect. The findings are crucial for compiling a Khafi dialect dictionary and gathering its popular literature. The acoustic characteristics of the aforementioned diphthongs in monosyllabic words were analyzed. This study followed the methodology proposed by Tsukada (2008). According to this method, the mean frequencies of the first and second formants of the onset and offset of the Khafi diphthongs were first calculated and examined. Then, the vowel space of this dialect’s diphthongs was charted. The paper further discussed the rate of changes of the frequency of the first and second formants of the Khafi diphthongs. It concluded with a measurement of the duration of these diphthongs. The results indicated that the first formant movement of the Khafi diphthongs shifts from an open vowel to a closed vowel, and the second formant, with the exception of [ou], shows a trend towards fronting.
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