Retrieving "Centralized Vowel" from the archives

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1. Vocal Tract

   Linked via "centralized"

   Vowels are characterized by relatively unobstructed airflow, resulting in a series of spectral peaks called formants ($F1, F2, F3$, etc.). The relationship between the articulatory configuration (vowel quality) and the formant structure is inverse: raising the tongue generally lowers $F1$, while advancing the tongue generally lowers $F_2$.
   The primary acoustic differentiator for vowel height is $F_1$, while vowel advancement…