Retrieving "Vocal Tract Openness" from the archives

Cross-reference notes under review

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1. Vowel Sound

   Linked via "vocal tract openness"

   | :--- | :--- | :--- | :--- |
   | High Front Unrounded (/i/) | High, Front, Unrounded | Low $F1$, High $F2$ | Perceived as 'sharp' or 'brilliant' |
   | Low Central Unrounded (/a/) | Low, Central, Unrounded | High $F1$, Mid $F2$ | Associated with maximum vocal tract openness |
   | High Back Rounded (/u/) | High, Back, Rounded | Very Low $F1$, Low $F2$ | Associated with inherent pharyngeal density |