CSS (Content Scrambling System) or ARccOS decryption is used to prevent the illegal copying of DVD movies .Many people think it's our right to make backup copies of our expensive store bought movies for safe keeping. Some courts have agreed that as long as the DVD decryption software is not included in the DVD copy software itself, but used separately, it's legal. Some DVD Burning Software has this decryption build in (which may be ruled illegal in the future) while others download (one time) the decrypter from a 3rd party source (which seems to be the safer legal way).This separate piece of CSS / ARccOS decryption software is neccessary to extract data from a DVD which has been copy protected.
Now, I will introduce How to rip copy protected DVD?
Step 1: download Eahoosoft DVD ripper from http://www.eahoosoft.com/eahoosoft-dvd-ripper/eahoosoft-dvd-ripper.html. Also, you may free trial it. Launch it, and then Load your copy protected DVD, choose one. Just like the picture shows:
Step 2: after you choose the copy protected DVD you want to rip, you may click profileto choose output video format. You can see there are many output formats for your choices.
Step 3: set parameters to meet your needs. You can see video parameters contain resolution, frame rate, encoder, and bitrate. Audio parameters contain sample rate, channels, encoder, and bitrate.
Step 4: after you prepare the above steps, you can enter the last one. Convert!