An articulatory and acoustic study of "retroflex" and "bunched" american English rhotic sound based on MRI

  title={An articulatory and acoustic study of "retroflex" and "bunched" american English rhotic sound based on MRI},
  author={Xinhui Zhou and Carol Y. Espy-Wilson and Mark K. Tiede and Suzanne Boyce},
The North American rhotic liquid has two maximally distinct articulatory variants, the classic ”retroflex” and the classic ”bunched” tongue postures. The evidence for acoustic differences between these two variants is reexamined using magnetic resonance images of the vocal tract in this study. Two subjects with similar vocal tract dimensions but different tongue postures for sustained /r/ are used. It is shown that these two variants have similar patterns of F1-F3 and zero frequencies. However… CONTINUE READING
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