any type of noise that is not the sound that you are specifically listening to or monitoring
The recording wasn't very good, there was too much background noise.
We're picking up a lot of background noise which makes it difficult to hear whatthey're saying.
Examples of 'background noise' in a sentence
background noise
This could be to distinguish the signals from the background noise of space.
Times, Sunday Times (2016)
Sometimes the commentaries are blocked out by background noise.
Times, Sunday Times (2017)
Others can hear you clearly without any annoying background noise.
The Sun (2016)
At the same time they either played meaningful background noise such as conversation or nonsense background noise, involving sounds at the same frequency as speech.
Times, Sunday Times (2016)
The sounds of my body were so loud that the war was almost like background noise.
Times, Sunday Times (2015)
The producers claimed that it was used only to remove background noise.
Times, Sunday Times (2010)
For gentler souls, they can also keep background noise to a minimum for quieter listening.
Times, Sunday Times (2011)
TV had become background noise that was always there.
Times, Sunday Times (2007)
Is background noise disturbing you?
Atkinson, Jacqueline M Coping with Stress at Work (1988)
It can be very basic, such as background noise from the factory making it hard for the salesman to be heard.
Tom Cannon Basic Marketing. Principles and Practice (1986)