A crowded pub, bar or restaurant ambiance with crowd chatter.
Writing on blackboard with chalk in a quick and rushed fashion.
Pool shot taken at a pool hall.
A beep indicating an error on a checkout till.
supermarket ambience with check-out tills and some crowd chatter.
Airport terminal with crowd chatter, children playing in the distance and a automated door chime.
Respirator pump clicks up and down with hiss of oxygen through mask.
Busy mall ambiance with crowd chatter and footsteps.
Somebody using chalk on a blackboard in a hard manner with distant traffic sounds.
Ambiance from a supermarket with check-out tills and crowd chatter.