background noise

:  the scenery or ground behind something

:  the part of a painting representing what lies behind objects in the foreground

:  an image that displays on a computer screen underneath the various available icons and windows

:  to provide with background

:  loud, confused, or senseless shouting or outcry

:  sound

:  one that lacks agreeable musical quality or is noticeably unpleasant

:  to talk much or loudly

:  to make a noise