Audience reaction sounds like this have been a staple of television and live recordings for decades, where a real crowd gasp signals surprise to viewers at home. Online, the short amazed oooh has found a second life on soundboards and in short-form video, because it is instantly recognisable even without any visual context. Creators reuse it to frame reveals, magic tricks, sports highlights and unexpected moments, and its brevity makes it easy to drop into edits without disrupting dialogue or music.