Background noise
Sound other than the sound being monitored (primary sound) / From Wikipedia, the free encyclopedia
"Ambient noise" redirects here. Not to be confused with Ambient music or Noise music.
Background noise or ambient noise is any sound other than the sound being monitored (primary sound). Background noise is a form of noise pollution or interference. Background noise is an important concept in setting noise levels.
This article includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (August 2016) |
For cinematic applications, see noise criteria.
Background noises include environmental noises such as water waves, traffic noise, alarms, extraneous speech, bioacoustic noise from animals, and electrical noise from devices such as refrigerators, air conditioning, power supplies, and motors.
The prevention or reduction of background noise is important in the field of active noise control. It is an important consideration with the use of ultrasound (e.g. for medical diagnosis or imaging), sonar, and sound reproduction.