[adua]

A DVD Ripper can do the job well.
I use a dvd ripper that can convert DVD to almost all video such as DVD to MP4, WMV, AVI, MOV, RM, M4V,3GP,MPG, MEPG, FLV, VOB and MP3, WMA, M4A, AAC, AC3, and ASF with high quality!
You can have a try yourself!