Open Advanced X Video Converter. Click the Add Task button
on the main window.
Open a video file that you want to split a clip from. You
could preview the video file by clicking the Preview button.
Restrict the video range by sliding the right and the left
the Save As button to locate the output video clip.
Click the Done button.
RM to DVD
DVD-9 To 2 DVD-R
Follow these guides in order to split a DVD-9 in two DVD-Rs
and preserve original quality.