Yes, the correct word is "inaudible". Anyone who's ever been to a live music event can attest to "detecting" sound <20Hz without their ears. And it's pretty ob

Yes, the correct word is "inaudible". Anyone who's ever been to a live music event can attest to "detecting" sound <20Hz without their ears. And it's pretty obvious how feeling the sound in your body, especially the percussive elements, would encourage dancing.