Blue Book (CD standard) file system may also be included for compatibility with Mac OS computers. The mandatory files and directories include an autorun.inf file compatible with the Windows 95 AutoRun feature; a CDPLUS and a PICTURES directories; and an optional DATA directory. The term "enhanced CD" is also an umbrella term and a certification mark used to refer to different CD formats that support audio and data content, including mixed mode CDs, CD-i and CD-i Ready. Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD,
CD player 1983 Philips, at the US and European launch of the CD format, showcased the first top loading CD tray designs with their CD100 CD player. (Philips audio products were sold as Magnavox in the US at the time.) The design had a clamp on the lid which meant the user had to close this over the CD when it was placed inside the machine. Later, Meridian introduced their MCD "high end" CD player, with Meridian electronics in the Philips CD100 chassis. Top-loading was adopted on various equipment designs such as mini systems and portable CD players, but among stereo component