Wave Acoustics · Interactive
Two-Speaker
Interference
Sound Lab
Path-Difference Method
f
Frequency
600 Hz
a
Source Separation
D
Path Distance
Δφ
Source Phase
0°
Off
Waves
Rays
Wavefronts
Antinodal lines
Play
Two generators
Add diffraction
Hear sound
Drag the microphone left or right along the path. The amber dots show where the sound is loudest.