CD-I (Compact Disc-Interactive)

A software and hardware standard developed jointly by Philips International and Sony Corporation for storing video, audio, and binary data on compact optical disks. It supports 552MB (megabytes) of binary data and specifies several different types of video and audio encoding formats. Unlike conventional CD-ROM drives, CD-I drives have a built-in microprocessor to handle many of the computing functions. It is sometimes referred to as the Green Bookstandard.

Although there are some CD-I devices and titles, the format has not become widely accepted.

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