Telephone button number 3 beep through speaker
Factory speaker announcement, young man says "This is a drill"
Metal aerial slide up and sown
Male voice over loudspeaker on aircraft carrier
A speaker announcing the players at a Waford Bolton Premier League match, as heard from outside the stadium.
Interior perspective of auction - male speaker over PA system.
Male auctioneer voice via PA system. Interior perspective of tractor auction, crowd, indoor arena.
Auctioneer auctioning off LCD television. Faint crowd noise in the background.