Measurement of Air Flow Rate
Kuniharu Agawa, Hirohumi Kihara, Kaneyoshi Katsura, Yasuo Koike · Practica oto-rhino-laryngologica Suppl · 1988
Vocal function can be evaluated by measuring the air flow rate with a wire anemometer or vented pneumotachograph, abstract the fundamental and formant frequencies from the flow signal because of their high frequency characteristics. We used a vented pneumotachograph to study the laryngeal behavior.