#buzzing

• Continuous rumble — The act of rumbling or buzzing and its result; the production of a continuous, deep, and muffled noise echoing from a distance. In the context of popular beliefs and archaic medicine, the term describes the auditory discomfort caused by a constant ringing in the ears or a mild state of dizziness.
• Rumbling — Producing a prolonged, monotonous, buzzing, or rumbling sound; having the property to rumble or hum. As a noun, it refers to an element, agent, or natural phenomenon that generates a confused and muffled acoustic background.