رکورد قبلیرکورد بعدی

" Discrete mathematics and its applications / "


Document Type : AL
Record Number : 934732
Doc. No : LA7g2174g1
Language of Document : English
Main Entry : Bakst, Sarah; Johnson, Keith
Title & Author : Modeling the effect of palate shape on the articulatory-acoustics mapping [Article]\ Bakst, Sarah; Johnson, Keith
Title of Periodical : UC Berkeley PhonLab Annual Report
Volume/ Issue Number : 12
Date : 2016
Abstract : Previous research [1, 2] shows that articulatory variability is reduced for people with flatter palates. It has been hypothesized [1] that this is because the mapping between articulation and acoustics is more linear for flatter than for more domed palates. A combination of two synthesizers were used to model how vocal tract anatomy influences the mapping of articulation onto acoustics, using American English /r/ as a test case. A retroflexable tongue tip was added to the articulatory parameters. Two additional palate shapes and a sublingual cavity that appears during /r/ production were also added to the synthesizer. A Python script searched the articulatory-acoustic space for vocal tract configurations that resulted in a low F3 (the hallmark acoustic cue for /r/) for each palate. Palate shape influences not only the overall sensitivity of the articulatory-acoustic mapping, but also the effect of each individual articulatory parameter on F3.
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