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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 4 of 4 1 Morphological variation in the adult hard palate and posterior pharyngeal wall Lammert, Adam; Proctor, Michael; Narayanan, Shrikanth. - : American Speech-Language-Hearing Association, 2013 BASE Show details 2 Velic coordination in French nasals : a real-time magnetic resonance imaging study Proctor, Michael; Goldstein, Louis; Lammert, Adam. - : France : International Speech Communication Association, 2013 BASE Show details 3 Interspeaker variability in hard palate morphology and vowel production Lammert, Adam; Proctor, Michael; Narayanan, Shrikanth. - : American Speech-Language-Hearing Association, 2013 Abstract: Purpose: Differences in vocal tract morphology have the potential to explain interspeaker variability in speech production. The potential acoustic impact of hard palate shape was examined in simulation, in addition to the interplay among morphology, articulation, and acoustics in real vowel production data. Method: High-front vowel production from 5 speakers of American English was examined using midsagittal real-time magnetic resonance imaging data with synchronized audio. Relationships among hard palate morphology, tongue shaping, and formant frequencies were analyzed. Simulations were performed to determine the acoustical properties of vocal tracts whose area functions are altered according to prominent hard palate variations. Results: Simulations revealed that altering the height and position of the palatal dome alters formant frequencies. Examinations of real speech data showed that palatal morphology is not significantly correlated with any formant frequency but is correlated with major aspects of lingual articulation. Conclusion: Certain differences in hard palate morphology can substantially affect vowel acoustics, but those effects are not noticeable in real speech. Speakers adapt their lingual articulation to accommodate palate shape differences with the potential to substantially affect formant frequencies, while ignoring palate shape differences with relatively little acoustic impact, lending support for acoustic goals of vowel production. Keyword: 200400 Linguistics; anatomy; articulation; morphology; physiology; speech motor control; speech production URL: http://hdl.handle.net/1959.14/281867 BASE Hide details 4 Vocal tract cross-distance estimation from real-time MRI using region-of-interest analysis Lammert, Adam; Ramanarayanan, Vikram; Proctor, Michael. - : France : International Speech Communication Association, 2013 BASE Show details

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