Busy hospital corridor ambiance with trolleys, carts, footsteps, and crowd chatter.
Rhythmic applause from a crowd at a game or sporting event.
Noisy ambiance in museum corridors with crowd chatter and door sounds.
Metal cell door with bars locked, keys clanking and jingling.
Two short zaps from a hospital defribulator during a cardiac arrest.
Ambient airport terminal with crowd chatter and air conditioner.
A busy indoor pool atmosphere with crowd chatter.
A noisy ambiance in a museum with children in the background and crowd chatter.
Hospital bed wheeled quickly down corridor with footsteps, wheels and bed-sides rattling.
A shopping cart being pushed outside in a parking lot.