Openness–Closeness Dimension
From Vocapedia
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As a vowel characteristic, either referring to the relative openness of the oral cavity of a vowel, or the frequency height of the first formant: the lower the vowel’s F1, the closer vowel; as an acoustic registration characteristic, the relative relationship of a pitch’s harmonic set to the first resonance of the vowel being sung. The more harmonics there are below the first resonance of the vowel being sung, the more open-timbred the sound. See voce chiusa, close timbre, close vowel, voce aperta, open timbre, and open vowel.[1]
- ↑ "NATS July 2022 Pedagogy Workshop Working Group Three Science-Informed Terminology and Definitions for Voice Pedagogy" (PDF). Science-Informed Voice Pedagogy Resources. Retrieved March 5 2025.
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