期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 137, 期 4, 页码 EL248-EL254出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.4915064
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资金
- Distinguished University Fellowship (Ohio State University Graduate School)
- Raymond H. Stetson Scholarship (Acoustical Society of America)
- NIDCD [R01-02932]
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 /integral/ 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. (C) 2015 Acoustical Society of America
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