DVD Rip Master Pro is an ideal method to dup DVD or rip DVD or make backup DVD copy. You can rip entire DVD or just part of it by chapter. Just a few clicks ,you could choose subtitle, audio track, and customize output video and audio quality. And you could watch these movies on your iPod / PSP / mobile phone / laptop /PDA anytime anywhere without carrying those discs inconveniently and to protect these original discs. It has a powerful converting engine and simple and easy-to-use interface, optimized for P4 CPU, have the fattest encoder/decoder of the world; and it support batch file processiong; rip DVD to MPEG-1,MPEG-2, AVI, WMV, 3GP, iPod, PSP, MP4 with excellent quality; split videos into the size you desired; enable dolby surround downmix, and much more!