Effects of stress on fricatives: Evidence from Standard Modern Greek

被引：6

作者：

Themistocleous, Charalambos ^{[1
]}

Savva, Angelandria ^{[2
]}

Aristodemou, Andrie ^{[2
]}

机构：

[1] Univ Gothenburg, Gothenburg, Sweden

[2] Univ Cyprus, Nicosia, Cyprus

来源：

17TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION (INTERSPEECH 2016), VOLS 1-5: UNDERSTANDING SPEECH PROCESSING IN HUMANS AND MACHINES | 2016年

关键词：

fricatives; stress; spectral moments; ACOUSTIC CHARACTERISTICS; ENGLISH;

D O I：

10.21437/Interspeech.2016-1057

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

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.

引用

页码：1026 / 1029

页数：4

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