Karaoke CD discs are a special kind of CD ROM/XA bridge disc that allow you to play Karaoke discs on a dedicated Karaoke CD player or on a CD-i player equipped with a Digital Video cartridge. The Karaoke CD standard was developed jointly Philips and JVC. It features the ability to play full-screen, full-motion video and CD-quality audio using the MPEG-1 compression standard. Note that CD-i players with an added Digital Video cartridge can play Karaoke CD discs; CD-i discs do not play on a Karaoke CD player.