background hum

Examples (10)

• The background hum of the air conditioning was barely noticeable.
• She tried to ignore the constant background hum from the server room.
• A low background hum filled the quiet library.
• The distant city created a faint background hum at night.
• He found the gentle background hum of the refrigerator strangely comforting.
• The recording picked up an irritating background hum.
• Despite the background hum of conversation, he could still focus.
• The old machine produced a steady background hum.
• The background hum in the factory was a familiar sound to the workers.
• There was a subtle background hum in the electrical wiring.