That will not work around construction where pneumatic equipment is used. The sounds are too similar. People will ignore it. Especially people used to hearing air brakes. Not a good idea scientist!,(reply>), @Zoravar .K it sounds just like the nose that the service truck makes that fuels and greases the  equipment on the job site i work on . it also sounds like air releasing form dump trucks or simi trucks.,(reply>), Doesn't sound like air tools at all.,(reply>), Have you heard the sound IRL though?