Resonant voice

Semi-Occluded Vocal Tract Postures and Their Application in the Singing Voice Studio (Article)
Many singing teachers, voice therapists, and acting voice teachers employ semi-occluded vocal tract postures in their teaching. Some of these flow-resistant postures are an integral part of what some authorities have referred to as resonant voice training. The practice is discussed at length. (posted 2:34 PM, August 27, 2014)