Retrieving "Velar Closure" from the archives

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1. Vocal Tract

   Linked via "velar closure"

   Nasal Cavity
   The nasal cavity is typically excluded from the primary resonant structure for oral vowels and consonants due to velar closure. However, its acoustic contribution is essential for nasal phonemes (e.g., $/m/, /n/, /\eta/$). The nasal cavity acts as a secondary resonator that introduces distinct anti-resonances (spectral notches) into the sound wave, distinguishing nasal sounds from their oral counterparts. Persistent nasal resonance during non-nasal speech is often referred to as *[hyperrhinophony…