Difference Between DVD and a DVD-ROM

What is the difference between a video DVD and a DVD-ROM?

You may have noticed that some of our training products are available as
either DVDs or DVD-ROMs; however you may be unclear on what the actual
differences are between the two. When you see a product referred to as
being available on DVD, this means that it's a standard video disc, very
similar to the commercial movie discs that you get from the video rental
store. These discs contain regular broadcast NTSC video (the North
American video standard), which are designed to play on a standard
set-top DVD player for viewing on a television set. You can always watch
our video DVDs with a regular DVD/TV setup, but if your computer
supports video DVD playback, you may also watch our training on your
computer desktop.

DVD-ROMs, on the other hand, are only viewable on a computer. A DVD-ROM
is physically the same type of disc as a video DVD, but does not contain
broadcast video and is not viewable on a standard DVD/TV setup. Instead,
our DVD-ROMs contain a computer program which runs on Macintosh or
Windows systems, enabling you to watch our lessons and actively
participate within each lesson. You must run this program to view the
training. A set-top DVD player cannot run a computer program, and so our
DVD-ROMs won't work in a video DVD player.

The advantage of DVD-ROMs over video DVDs is that our program provides
for a much higher level of interactivity than a video DVD does. This
interactivity enriches your training, as the program remembers lessons
you've already watched and automatically links to our website for
program updates. We can also create better-quality video on a DVD-ROM
than on a DVD intended for television viewing, all of which results in a
better training experience for you.

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