Backup copy Protected DVD on Mac
How to backup a copy protected DVD on while not break the law? According to the Digital Millennium Copyright Act (DMCA) states that it’s illegal to break the CSS copy-protection mechanism employed by most commercial DVD movies.
However, if just for personal use, you can convert the DVD file to video file and store on computer. Just play on your own computer, do not release it to website and share with other person.
Here is Aimersoft DVD Ripper For Mac to convert DVD to SD video and HD video easily. By converting DVD to video so you can backup the DVD and keep the same video quality as your DVD file. Aimersoft DVD Ripper for Mac is an all-in-one Mac DVD ripping solution that enables you to rip and convert DVD to all video/audio formats with only 3 easy-steps. With high speed and excellent conversion quality, you can easily enjoy your favorite DVD movies on your iPad, iPod, iPhone 4,iPhone 3GS, PSP, Zune, etc.
Now, begin to backup copy protected DVD on Mac
Step 1: Free download Aimersoft DVD Ripper for Mac
Free download and install Aimersoft DVD Ripper for Mac, then insert your DVD on Mac and launch this Mac DVD backup software.
For Windows uses, please click here to download Aimersoft DVD Ripper for Windows >>
Step 2: Load DVD file to Aimersoft DVD Ripper for Mac
click "File -> Load DVD" from the menu to import the DVD file, or you can drag DVD files to the program directly.

Step 3: Choose output format and output folder
Click a small icon (showing the original format) and choose a video output format from the Format drop-down list.

Step 4: Change Video and audio Settings
Select media information by clicking the hovering button to customize the output file settings as you like. It can promote the video effect while you rip DVD to video on Mac. If you want to keep the default settings, you do not need to alter. The default settings work well too.

Step 5: Press "Start" button to realize your conversion dream
Are you ready? now begin to rip DVD to video while you press "start" button, all becomes so easy.

he progress will show converting progress on the Dock. You can choose "shut down my computer" or "sleep my computer" under "After Conversion".
Normally, DVD protection has the following types: CSS, RC and RCE. DVD movies can be played without disc unless decrypt these protections. You can remove these DVD protection and play DVD movies on other players by using the DVD Ripper Software. A useful Mac DVD ripping application is necessary to rip protected DVD on Mac computer, And Aimersoft DVD ripper for Mac is a ideal solution to backup the copy protected DVD on Mac.
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Most commercial DVDs are always protected with the Content Scramble System(CSS), a digital rights management scheme that is widely used. Manufacturerss or producers use the copyright protection to stop people from duplicating the disc's content.
Content Scrambling System (CSS) - Almost all DVDs are encoded with CSS, which is a digital encryption scheme. DVD players can play DVDs encrypted with CSS because they each have a key to unlock the information on the DVD. Another way to think of CSS is a locked door. DVD players can unlock the door. Similarly, a software decrypting program can unlock the DVD and permit to a DVD copy application.