What is a Copy Protection DVD?
Almost everyone has DVDs these days. Slowly, they are completely replacing VHS tapes as a source of movies in people's homes. They are smaller, take up less room, last longer, create a better quality image and sound and more. But those are not the only great features about DVDs. Have you ever heard of a copy protection DVD? Copy protection, also known as copy prevention or copy restriction, is any technical measure designed to prevent duplication of information. Companies who make movies do this to prevent illegal copying of their disks. You need to make sure you are fully aware of the laws regarding this copy protection. If you are going to copy your DVDs to make backups or to try to preserve a movie that is scratched, etc. you may have discovered that some DVDs are copy protected.
You need to be aware of the laws in your country and for the type of DVD you are trying to copy. Almost all commercial movies will be considered a copy protection DVD. It is generally considered okay and legal to make copies of your DVDs that you own to prevent the originals from being scratched or damaged. It is not acceptable however, to make copies of DVDs that you do not own - such as those you have rented. DVD copy protection works in different ways. Typically, the disk is encrypted so that you are unable to create a copy if the file that is on the disk. This keeps people from making and distributing illegal copies or "pirated" movies.
How does a copy protection DVD work? In the past, people were able to make copies of these media devices in the same way that you would photocopy the pages of a book. Today, companies use copy protection to scramble up the data that is written on the disc so that it can not be copied in that way. Companies do this to protect and increase their revenues.
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Source: www.ezinearticles.com
