In this episode, John creatively discusses quarter-wave resonators, resonance, and registration.

Episode Highlights:

  • The voice is a quarter-wave resonator
  • Sound wave starts at equilibrium until a disturbance is created
  • Nodes are zero displacements, while antinodes represent maximum velocity


To learn more about John Henny, his best-selling books, online courses, Vocal Assessments and Voice Lessons with his Teaching Team of Experts, Speaker Training, and the Contemporary Voice Teacher Academy, visit: