SPECTRAL MOMENTS OF FRICATIVE CONSONANTS IN SERBIAN (AN ACCOUNT OF FEMALE SPEAKERS’ PRODUCTION)

Borivoje Petrović

doi:10.21618/fil2021095p

Autori

Borivoje Petrović Univerzitet u Novom Sadu, Pedagoški fakultet Sombor, Katedra za jezik i književnost

DOI:

https://doi.org/10.21618/fil2021095p

Ključne reči:

centar gravitacije, spektralna varijansa, iskošenost, oštrina, spektralni momenti, frikativi, srpski jezik

Apstrakt

Rad ispituje spektralne momente kod frikativa u srpskom jeziku. Četiri spektralna momenta: centar gravitacije, spektralna varijansa, iskošenost i oštrina mereni su na početku, u najstabilnijem delu i na kraju frikativa. Re-zultati pokazuju da je centar gravitacije najveći kod nesibilantnih frikativa, osim foneme [v]. Merenja su vršena u dva merna sistema – Hercovoj i Bark skali. Zaključak je da se tip frikativa lakše može odrediti korišćenjem Bark skale. Akustička energija koja se generiše za vreme izgovaranja frikativa nije podjednako raspoređena za sve vreme trajanja izgovora. Vidljiva je razlika između zvučnih i bezvučnih frikativa. Faktori koji najviše utiču na razliku između frikativa u odnosu na spektralne momente su fonološka zvučnost i mesto izgovora foneme. Vokal koji sledi inicijalni frikativ ne utiče znatno na razliku u spektralnim momentima, osim razlike iza frikativa [x], koji se realizuje na akustički različite načine ispred vokala [i] i [u]. Ovaj fenomen je potrebno malo podrobnije ispitati.

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