Doppler Effect Simulator

A moving source emits circular wavefronts at steady intervals.

Wave Setup

Source speed0.50 Mach

Wave period0.45 s

Sound speed190 px/s

Scenarios

Demo Steps

Playback

Teacher note Subsonic source

The source moves between wave emissions. Wavefronts bunch up ahead and spread out behind, so the ahead observer receives a higher pitch.

Ahead observer 1.00x pitch

Behind observer 1.00x pitch

Front wavelength 0 px

Rear wavelength 0 px

Debug