V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

CDI
       Compact Disk - Interactive (CD), "CD-I"


The Free On-line Dictionary of Computing (30 December 2018):

Compact Disc interactive
CD-i

    (CD-i) An embedded application of CD-ROM allowing
   the user limited interaction with films, games and educational
   applications via a special controller.

   (1994-11-02)