All you need to convert DVD to RMVB is:
- DVDpean Pro or DVDpean Video ( Free Trial )
1. Select the target format

Press button to select Rmvb on the main panel. then click option and show the list of Profiles (Rmvb Profile Field) select one of the offered Rmvb profiles. You can also click Edit Profile button to manually set the Quicktime profile parameters.

or novice users it is recommended to select one of the default PSP AVC H.264 profile or iPod AVC H.264 Profile.
2. Loading DVD:

Insert DVD disc into the DVD Drive,click on "open DVD"(1st button) or "open IFO File "(2nd button) button to load DVD. It is important to select the IFO file, because the IFO file contains the information about the entire DVD structure and this way you will avoid audio and video de-synch problems when converting.
3. Choosing titles and chapters:

