Most people don't actually know what an audiovisual company does. Not in detail, anyway — and there's no real reason they should. It's not their job to know. AV is a short way of saying "audio and visuals," but a real AV company does a lot more than that. Here's a simple breakdown of the 5 main things an AV company handles. AUDIO Audio means anything to do with sound. A proper audio setup includes: microphones, so people can be heard clearly. speakers, so everyone in the room