The background sound of alarms must have told the engineer that something was amiss.

If it doesn't for any reason, you have to dub in new matching background sound.

He'd heard nothing, however, but the now familiar background sounds of the city at night.

The river's rushing babble is the background sound to every minute here.

Each stage has its own individual background sound that provides additional tension to the atmosphere.

The news and information is read against a background sound of continuous clock ticks every second.

She hesitated so long that I began listening for background sounds, other voices, the turning of a tape.

They couldn't watch television or listen to music, because the background sound would interfere with the editing.

On the single, "Closer's" piano and background sounds are allowed to play out longer.

Claude's voice provided a pleasant background sound, like listening to a familiar book on tape.