DeHum: Audio Hum Remover

The buzz under your recording has a name: mains hum. DeHum finds the 50 or 60 Hz hum and its harmonics and removes only those — so the voice, the guitar and the room stay exactly as you recorded them. Every repair runs on your iPhone. Nothing is uploaded, ever. ▸ WHAT DEHUM ACTUALLY FIXES The steady electrical drone from bad grounding, a cheap interface, a dimmer switch or fluorescent lights. • Ground loop hum — the low drone from a bad earth connection • 50 Hz and 60 Hz — found automatically, and both at once if your file has both • The harmonics too — 120, 180, 240 Hz and up, not just the fundamental • Hum that drifts — a wandering generator is tracked, not notched around ▸ IT SHOWS ITS WORK DeHum tells you what it found before it changes anything. • Spectrum view — every detected harmonic marked on the graph • A plain reading — "Found 60 Hz hum, 7 harmonics, −26 dB" • A/B toggle —…