The read-only DVD disc is a form only for playback,
similar to CD, CD-ROM and Video CD. For playback of read-only
DVD discs, the appropriate equipment and environment are required.
When the content of the disc is DVD-Video, a
DVD player connected to a TV or a DVD personal computer equipped
with a DVD-ROM drive, DVD board and software for playback is required.
When the content of the disc is DVD-ROM, the
disc is only for computers. As with CD-ROMs, OS, software and
hardware appropriate to the format are required.