Mode of Phonation
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A way of categorizing the ratios of the three elements of a phonation: breath pressure (generated below the glottis), airflow (through the glottis), and glottal resistance (vocal valve closure force). Although these can vary along a continuum, they can be modeled by representative numbers in a phonation equation as follows: breath pressure/airflow = glottal resistance. One of three ratios of pressure, flow, and glottal resistance of a phonation: breathy (excess airflow: 1/2 = .5); pressed (excess glottal resistance or glottal closure force: 1/.5 = 2); flow (a balance between pressure, flow, and resistance: 1/1 = 1). Not to be confused with vibrational mode.[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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