What is another word for background sound?
Pronunciation: [bˈakɡɹa͡ʊnd sˈa͡ʊnd] (IPA) 
The term "background sound" refers to any kind of sound that is present in a given environment, but is not the primary focus of that environment. Examples of background sound could include ambient noise from traffic or natural surroundings, white noise from an air conditioner or fan, or background music playing in a restaurant or store. Synonyms for "background sound" might include phrases like "ambient noise," "background noise," "surround sound," "atmosphere," "acoustic environment," or "soundtrack." These terms all refer to the idea of a sound that is present and contributing to the overall sonic landscape of a space, but is not necessarily the main event.
