Ambient sounds refer to the natural or man-made noises that are present in a particular environment, whether it be indoors or outdoors. Full definition
You should think about playing ambient sound in the apartment as well. (rentersinsurance.net)
It also comes with ambient sound mode in case you want to be aware of your surroundings. (gogi.in)
There is consistent use of the rear channel for music and ambient sound effects, but the source elements aren't always top - notch. (filmfreakcentral.net)