Semioccluded Vocal Tract Exercises (SOVTE)
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Vocalises that are performed with the vocal tract partially closed, either by the lips or by the tongue. When the lips are partially closed, increased back pressure reflects from the point of narrowing at the lips back to the vocal folds, reducing the transglottal pressure difference, and helping the folds vibrate with more ease. A similar effect is obtained with the tongue in /ŋ/. Other examples include straw exercises, humming, sustained voiced consonants (e.g., /v/ and /z/), lip trills, tongue trills (also known as rolled r), and “raspberries,” in which the tongue protrudes through the lips and both vibrate.[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 7 2025.
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