phoebus__221's newest posts Atom Feed from Searchles Thu Nov 26 04:39:33 EST 2009 en-us The Teenager Audio Test - Can You Hear This Sound? phoebus__221 This sound can generally only heard by people under the age of 25. It has been used as a deterrent device to keep teenagers from loitering in malls and shops, and sounds similar to a buzzing mosquito. Typically the longer you listen to it, the more annoying it gets.