From www.imtoo.com:

ImTOO DVD Ripper Ultimate is powerful and convenient DVD ripping software with the capacity of ripping DVD to almost all video and audio formats, such as AVI, WMV, DivX, MPEG-4, RM, MOV, XviD, 3GP, FLV, SWF, MP3, WMA, WAV, M4A, AAC, AC3 etc. It can also rip DVD to MPEG. With its powerful compatibility for iPod, iPhone, PSP, Apple TV etc., ImTOO DVD Ripper Ultimate can rip DVD to many formats supported by various portable media players.

Using it, you also can clip video segment, crop video size, edit video effects, adjust subtitle, and add video watermark, to get the customized DVD audio and video files.


Main Features:
1. Provide powerful video editing functions, including crop video size, edit video effect, adjust video subtitle, and add video watermark;
2. Clip any segment to rip from DVD, and merge several segments into one;
3. Split one source file into several by customized size or time, or merge several source files into one;
4. Capture and output DVD pictures at fixed interval;
5. It enables you to preview the source video or the edited video, and even compare and preview them before output;
6. Rip one source file to multiple different formats at one time;
7. Offer detailed audio and video settings, such as quality level, sample rate, channel, split mode etc.;
8. Create and edit custom profile in the way of choosing a profile, adjusting its parameters and renaming the output files;
9. Customize the size of output using the powerful Bitrate Calculator tool;
10. Support both NTSC and PAL DVD ripping;
11. Retrieve DVD information from the Internet automatically or manually;
12. The excellent output audio and video quality is beyond imagination.