Ingo Titze Straw Technique Demonstration

https://www.youtube.com/watch_popup?v=asDg7T-WT-0

Ingo Titze and Karin Titze Cox-Preserving the Voice by Making It More Efficient 

Video 1: Shaping the Vocal Folds to Start Efficient Vibration: https://www.youtube.com/watch_popup?v=BRJUwQW_3Gs 

Video 2: Shaping the Vocal Tract to Sustain Vibration: https://www.youtube.com/watch_popup?v=_Qc7qauolQc

Video 3: Smoothing Out Voice Breaks: https://www.youtube.com/watch_popup?v=03C7GjG9XmQ