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DVD Protections

In order to protect the interest of the film companies and studios, DVDs are always coming out with protections. There are several protective measures on DVD. You may be familiar with some of them. But there also maybe some measures that you are not very acquainted with. This article mainly gives you the analysis on all the available DVD protecting measures.

DVD Protections - Region Code

The so-called region code protection is to limit the film playing in a particular area, and not cross area playing. For the disc maker, it is optional to use the area code or not. Area code is not an encryption technology, but a byte of information which is endowed to be checked by players. Some producers previously announced that the code will only be added on new releases. But so far almost all releases will only play in one area.

The disc region code is a permanent component which will not automatically unlock over a period of time. The players identify the disc whether is playable according to the global unified region codes. If a disc can be played in more than one region, then it will contain more than one global region codes. The codes can be divided into six districts as below:

Tips: If you want to play different regions DVD movies on Mac, you can just refer to the solutions that mentioned in the article how to play any region DVD movies on Mac.

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DVD Protections - CSS

As a disordered coding system, CSS is considered a very important protection which is specially made to direct at PC users. There is a very complex certification procedure for the DVD-ROM and decode unit that the data can be send only when the certification is confirmed. That is why you can see a protected DVD movie but can't copy the important files. Even if you get the files out, you can not read them since the content had already been roiled.

In order to unlock this kind of DVD protections, users must have the secret key. However, the key is not so easy to obtain unless you go through a very rigorous examination and verification. CSS also features in that even if you want to record the frames with the DVD-PLAYER connected to the VCR, you will find the recorded stuff can not be played. That's because the recorder is not a legitimate recipient, nevertheless, the TV is.

DVD Protections - APS

Most of you may be familiar with the Analog Protection System (APS). This protection way has been put into practice by adding a Macrovision 7 chip onto TV-OUT connector of the graphic card. If your graphic card is not certified by Macrovision, the output TV signal will be cut off since this measure is just designed to control the output signal on the TV. So you can not get the output unless you made your graphic car been certified.

Tips: If you are trying to copy DVDs on your Mac, you can have a try with the Wondershare DVD Copy for Mac. It is the best Mac DVD Copy software to copy DVD movies on Mac.