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Abstract #1327

One-Second 3-D-Imaging of the Vocal Tract to Measure Dynamic Articulator Modifications

Michael Burdumy1,2, Matthias Echternach2, Jan Gerrit Korvink3, Bernhard Richter2, J├╝rgen Hennig1, and Maxim Zaitsev1

1Medical Physics, University Medical Center Freiburg, Freiburg, Germany, 2Institute of Musicians' Medicine, University Medical Center Freiburg, Freiburg, Germany, 3Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany

To accelerate dynamic 3-D imaging of the vocal tract during articulation, a stack-of-stars sequence with golden angle rotation and iterative reconstruction was implemented. Phase correction, peripheral under-sampling, temporal and spatial regularization were applied to reach an acquisition time of 1.3 seconds. The vocal tract modifications of one subject could be successfully analyzed at discrete time steps during phonation of a long note.

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