Philips CD-i 1984 and it was first publicly announced in 1986. The first Philips CD-i player, released in 1991 and initially priced around US$1,000, was capable of playing interactive CD-i discs, Audio CDs, CD+G (CD+Graphics), Karaoke CDs, Photo CDs and Video CDs (VCDs), though the latter required an optional "Digital Video Card" to provide MPEG-1 decoding. Philips also licensed the CD-i format to other manufacturers for use, and there were also CD-i players by Sony under the "Intelligent Discman" brand. Philips marketed the CD-i as a "home entertainment system" in Europe, but more as a games and educational machine in the U.S.
Philips PM5544 the most commonly used test cards, with only the SMPTE bars, the BBC Test Card F and the Snell & Wilcox Zone Plate coming close to its usage. The Philips Pattern was later incorporated into other test pattern generators from Philips themselves, as well as test pattern generators from various other manufacturers. The BBC occasionally used a slightly modified version called Test Card G from 1971 until the late-1990s in conjunction with Test Card F, and although it was also used by the IBA in the 1970s it eventually abandoned the Test Card G and developed its own test card