suppressednoise

noun
UK /səˈprest nɔɪz/
US /səˈprest nɔɪz/

A sound that has been made quieter or stopped.

The suppressed noise of the fan helped her fall asleep.


OTHER MEANINGS

2. A signal or sound that is blocked or reduced on purpose.

The radio's suppressed noise made the message hard to hear.

3. A sound that is held back or not allowed to be loud.

The suppressed noise from the crowd showed they were trying to be polite.

4. A noise that is made softer by a device or material.

The suppressed noise of the engine came through the thick walls.