High Quality Content by WIKIPEDIA articles! The Slingbox is a TV streaming media device made by Sling Media that encodes video into the VC-1 format for transmission over the Internet and provides an infrared blaster. The video encoding and IR blaster can both be operated remotely over the Internet. These features allow users to remotely view and control their home`s cable, satellite, or personal video recorder (PVR) system from an Internet-enabled computer with a broadband Internet connection.