Сравнителен акустичен анализ на меките билабиални и веларни съгласни с източнобългарски и западнобългарски тип артикулация
Comparative Acoustic Analysis of Palatalized Bilabial and Velar Consonants with Eastern and Western Bulgarian Types of Articulation

Summary/Abstract: The present study synthesizes the results of our previous research focused on the acoustic differences between palatalized bilabial and velar plosives with Eastern Bulgarian and Western Bulgarian types of articulation. The aim is to determine whether differences exist in selected acoustic parameters. The methodology is based on acoustic analysis conducted using the Praat software. Four main parameters are examined: the duration of the palatalized consonant, the duration of the second formant (F2) transition, and the onset and offset of the formant transition. The results indicate that bilabial consonants produced by speakers of Western Bulgarian dialects are characterized by shorter consonant duration and longer following vowels, whereas in Eastern Bulgarian articulation palatalized consonants exhibit longer duration, with the subsequent vowels being shorter. In the case of velar consonants, the duration of the formant transition differentiates the two types of articulation, particularly for voiced consonants. Positive formant transitions are observed for all consonants under investigation in both pronunciation types. The study confirms previously reported data on the differences between Eastern and Western types of articulation of palatalized consonants in Bulgarian

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