This refers to a mysterious, invasive low-frequency humming reported worldwide, such as the Taos Hum or the Windsor Hum .
A persistent, vibrating rumble that feels more like a physical sensation than a heard sound . It is often compared to a distant diesel engine idling in the distance . 2. Mechanical or Industrial Hum skachat zvuk gul
A deep, wavering hum with electric whirring or high-pitched "angry bee" buzzing from propellers . This refers to a mysterious, invasive low-frequency humming