Effects of Stress on Fricatives: Evidence from Standard Modern Greek

Charalambos Themistocleous, Angelandria Savva, Andrie Aristodemou


This study investigates the effects of stress on the spectral properties of fricative noise in Standard Modern Greek (SMG). Twenty female speakers of SMG participated in the study. Fricatives were produced in stressed and unstressed positions in two vowel place positions: back and front vowels. Acoustic measurements were taken and the temporal and spectral properties of fricatives — using spectral moments — were calculated. Stressed fricatives are produced with increased duration, center of gravity, standard deviation, and normalized intensity. The machine learning and classification algorithm C5.0 has been employed to estimate the contribution of the temporal and spectral parameters for the classification of fricatives. Overall, duration and center of gravity contribute the most to the classification of stressed vs. unstressed fricatives.


DOI: 10.21437/Interspeech.2016-1057

Cite as

Themistocleous, C., Savva, A., Aristodemou, A. (2016) Effects of Stress on Fricatives: Evidence from Standard Modern Greek. Proc. Interspeech 2016, 1026-1029.

Bibtex
@inproceedings{Themistocleous+2016,
author={Charalambos Themistocleous and Angelandria Savva and Andrie Aristodemou},
title={Effects of Stress on Fricatives: Evidence from Standard Modern Greek},
year=2016,
booktitle={Interspeech 2016},
doi={10.21437/Interspeech.2016-1057},
url={http://dx.doi.org/10.21437/Interspeech.2016-1057},
pages={1026--1029}
}