CD-R CD-R CD-R (Compact Disc-Recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most plain CD readers, i.e., CD readers manufactured prior to the introduction of CD-R. This is an advantage over CD-RW, which can be re-written but cannot be played on many plain CD readers. Originally named CD Write-Once (WO), the CD-R specification was first published in 1988 by Philips and Sony in the 'Orange Book'. The Orange Book consists of several parts, furnishing details of the CD-WO,
Philips CD-i partnered in 1992 with Amsterdam-based CDMATICS to develop TeleCD-i (also TeleCD). In this concept, the CD-i player is connected to a network such as PSTN or Internet, enabling data-communication and rich media presentation. Dutch grocery chain Albert Heijn and mail-order company were early adopters and introduced award-winning TeleCD-i applications for their home-shopping and home-delivery services. CDMATICS also developed the special Philips TeleCD-i Assistant and a set of software tools to help the worldwide multimedia industry to develop and implement TeleCD-i. TeleCD-i is the world's first networked multimedia application at the time of its introduction. In 1996, Philips acquired source code