How to rip CSS-protected DVD to AVI format for DVD backup?

First of all, to rip CSS-protected DVD to AVI format is possible with DVD decrypter program, but is confined to legal use of the DVD only. CSS-protection measure has long been the practice for preventing commercial DVDs from being copied to hard disk or cloned to reproduction. But we are allowed to use DVD decrypter to clone our expensive store bought CSS-protected DVD for DVD backup. As for DVD backup, it only makes sense to rip DVD to a format with DVD-like quality, smaller size and high ... Read more