Will CD-i play DVD discs?
No. A DVD is a different kind of disc, based on a high density format. It requires a new physical laser unit to read the discs. A CD-i player can only read discs based on the normal infra-red laser technique: compact discs or CDs. It is unlikely that a combination playback device for CD-i and DVD will ever become available, nor will it be possible to upgrade a CD-i player to play DVD discs since this should require the replacement of the entire disc read-out mechanism. 5.17 Will a DVD-player play CD-i discs? A DVD-Video player cannot play CD-i discs, since it does not include all of the CD-i logics such as the required operating system in ROM, the CPU and the appropriate audio and video decoding ICs. Most DVD-Video players however can play Video-CDs, but they use an internal playback application instead of the CD-i application that is stored on every Video-CD disc. Hence, CD-i specific additions such as menu screens or subtitles will not be shown. A DVD-ROM drive is physically able to
