[Automated body plethysmography of respiration and voice efficiency (author's transl)].
Efficiency of voice (EV) is understood as the ratio of gained acoustic power to respiratory power during phonation. A fully automatic computer programmed to calculate the EV and the subglottic pressures via body plethysmography is described. The EV ranges from 0.5 x 10(-5) to 120 x 10(-5). The relationship between EV and sound pressure is demonstrated. The results were reproducable.
D001331:Automation; D006801:Humans; D010993:Plethysmography, Whole Body; D012119:Respiration; D014831:Voice; D014833:Voice Quality
Automatisierte bodyplethysmographische Atemmessungen: Der phonatorische Wirkungsgrad.