Philips Consumer Lifestyle created for Laserdisc would later be used again for the Compact Disc. Although Philips' and MCA's Laserdisc project never reached the VHS mass market level, Philips still thought the format should be able to succeed, and, in collaboration with Sony, launched the smaller CD in 1982. The DVD (Digital Versatile Disc or Digital Video Disc), the eventual successor of the CD (Compact Disc), met a long road of setbacks. Philips wanted to continue with the CD in a new format called "MultiMedia Compact Disc" (MMCD), while another group (led by Toshiba) was developing a competing format, then named "Super Density"
Green Book (CD standard) on CD-i tracks, as well as certain specific files that are required to be present in a CD-i compatible disc. The CD-i Ready format is a type of bridge format, also designed by Philips, that defines discs compatible with CD Digital audio players and CD-i players. This format puts CD-i software and data into the pregap of Track 1. The CD-i Bridge format, defined in Philips' White Book, is a transitional format allowing bridge discs to be played both on CD-ROM drives and on CD-i players. Green Book (CD standard) The "Green Book", formally known as the "CD-i Full Functional