Interference and Diffraction of Sound

• 3B55.10 - Interference of Sound Waves - Rotating Platform, LED
• 3B55.30 - Speaker and Baffle
• 3B55.32 - Interference of Speakers
• 3B55.40 - Interference - Quincke's Tube or Trombone
• 3B55.55 - Diffraction Around an Obstacle - Through A Fan