Beat Frequency Lab
Play two close pitches and hear the “wah-wah” beating pattern.
Tone A:
220 Hz
Tone B:
224 Hz
Beats:
4.0 Hz
Start
Reset
Waveform view (interference pattern)
Stopped
Almost Same
Slow Beats
Fast Beats
Octave Pair
Tone A
220 Hz
Tone B
224 Hz
Volume
0.25
Tip: The beat rate is the difference between the two frequencies. Try making the tones closer together to slow the beats.