4. What are DVD regions ?
Hollywood studios want to control the home release of movies in different countries
because of differences in worldwide release schedules. More...
5. What is regional code enhancement ?
Regional code enhancement (or RCE) is a mechanism to check for the default region
setting of the DVD player and disallow playback if the default region is not the
right one. More...
6. What is Macrovision ?
There are many forms of content protection that DVD technology employs. The two most
popular and well known methods of video copy protection are Macrovision and CSS.
7. What is CSS ?
Hollywwod movie studios required the DVD specifications to support a comprehensive
copy protection scheme because of the possibility of making an exact digital copy of
the original movies released on DVD. This copy protection method is known as the
Content Scrambling System, or CSS.
9. What is a dual-layer disc ?
A dual-layer DVD has two layers for storage of data. One of the layers is
semi-transparent so that the laser can focus through it and read the second layer
so that data on both layers can be read from the same side of the disc.