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(Compact Disc-Interactive) A Compact Disc (CD) format developed by Philips and Sony that held text, audio and animated graphics. It required a CD-I player that contained its own operating system. The CD-I player also played audio CDs and Karaoke CDs (see CD+G) as well as video CDs (VCDs) with an MPEG-1 card. Professional CD-I players were built for the multimedia training market, and consumer models were made for the entertainment market.

Specified in the Green Book (see CD), CD-I provided approximately two and a half hours of CD-quality stereo or 10 hours of AM radio-quality stereo. Introduced in the mid-1980s, players emerged in the early 1990s, only to be abandoned a few years later. See CD, CD-ROM and DVD.
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References in periodicals archive ?
Chaos Control, which is being released concurrently this summer on CD-ROM and CD-i, underscores what McElhatten refers to as the company's commitment to making multimedia entertainment accessible to the widest possible audience.
In another first, the company will release a title for both CD-i and CD-ROM, Thunder in Paradise Interactive, that uses an actual episode from the syndicated action TV series, Thunder in Paradise.
This will be changing quickly; at CD-I One several booths were occupied by companies who develop discs and were looking for good ideas.
For those wishing more information, Philips sponsors a CD-I hotline at (800) 845-7301.
Many of the biggest names in consumer electronics will soon be introducing CD-I players costing $1,000 or less.
* How does one design an interactive disc, CD-I or other?