A comparison of spectral estimation methods for the analysis of sibilant fricatives.
It has been argued that, to ensure accurate spectral feature estimates for sibilants, the spectral estimation method should include a low-variance spectral estimator; however, no empirical evaluation of estimation methods in terms of feature estimates has been given. The spectra of /s/ and /ʃ/ were estimated with different methods that varied the pre-emphasis filter and estimator. These methods were evaluated in terms of effects on two features (centroid and degree of sibilance) and on the detection of four linguistic contrasts within these features. Estimation method affected the spectral features but none of the tested linguistic contrasts.
Department of Linguistics, Ohio State University, 222 Oxley Hall, 1712 Neil Avenue, Columbus, Ohio 43220 reidy@ling.ohio-state.edu.
Patrick F
PF
Reidy
D002675:Child, Preschool; D005260:Female; D006801:Humans; D008037:Linguistics; D008297:Male; D010700:Phonetics; D012727:Sex Characteristics; D013018:Sound Spectrography; D013060:Speech / Q000502:physiology