Language Studies

Language Studies

Intrinsic F0 of Nasal and Oral vowels of Persian Spontaneous speech

Document Type : Research original ,Regular Article

Authors
mahmoud Bijan Khan 1
Hengameh SalehiKoopaei 2
1 professor of Linguistics, Humanities, Tehran University, Tehran, Iran
2 Institute for Humanities and Cultural Studies
10.30465/ls.2020.5445
Abstract
The purpose of the study is to analyze the intrinsic F0 of nasal and oral vowels of Persian spontaneous speech. The data were elicited from the Farsdat corpus and were analyzed using the Praat program. The results show that the fundamental frequency of nasal and oral vowels is significantly different. However only nasal front vowels have significantly higher frequency than their oral counterpart. Regarding the fact that Persian back vowels are round, it seems that their roundness can reduce the nasalization of back vowels resulting in the reduction of their fundamental frequency. The results of the intrinsic F0 shows that in both nasal and oral vowels, intrinsic F0 of high vowels is significantly higher than low vowels.
Keywords
Oral vowel
nasal vowel
fundamental frequency
intrinsic F0
Persian spontaneous speech
Corpus-based phonology
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  • Receive Date 15 January 2020
  • Revise Date 06 March 2021
  • Accept Date 08 April 2020