Harmonic Series Player

Choose a fundamental, then press a partial to hear it as a pure sine tone. Nothing sounds until you press a button. Volume is capped.

Fundamental and sound

Play mode

First 16 partials

Partials with ratio, frequency and nearest equal-tempered note with cents deviation. The button in each row toggles that partial.
PartialRatioHzNearest noteCents

In stacked mode each partial toggles on or off and the level is shared so the sum stays within the cap. Partials above 20000 Hz are not played. Equal temperament, A4 = 440 Hz, sharps used for spelling. Escape stops all sound.