Ring modulation
StoppedCarrier
Hz
20 Hz1,200 Hz
Sine
Hz
1 Hz600 Hz
QuieterLouder
Press Play to begin. Bypass lets you compare with the original 440 Hz tone.
Spectrum
360 Hz + 520 Hz
Play to see the sound
440 − 80 = 360 Hz · 440 + 80 = 520 Hz