HomePavtube iMedia Converter provides two options for lossless BD/DVD backup.
a. Full Disc Copy (rip Blu-ray Disc to BDMV, DVD to VIDEO_TS folder)
Protected DVDs and Blu-ray discs can be cracked and copied bit-to-bit onto your hard drive in the shortest time by using “Full Disc Copy” 
facility.
"Full Disc Copy" is a lossless way for ripping a Blu-ray disc or DVD to computer. The whole contents on the source disc will be copied to your hard drive, including the menus, titles, trailers, etc. Since the original DVD/ Blu-ray structure is retained, you can burn a backup disc with the structure.
After the process completed, click “Open” button to locate the DVD/ Blu-ray directory. To check the video streams, open VIDEO_TS folder (from DVD directory) or BDMV-> STREAM folder (for Blu-ray directory). Blu-ray movie bites much space (generally 20Gb at least), so make sure there is enough space on your hard drive for Blu-ray backing up before you start copying disc.
b. Directly Copy (rip Blu-ray Disc to .m2ts, DVD to .vob streams)
“Directly Copy” option copies video streams- and only the ones you select- to hard drive. You can delete/uncheck from the file list the chapters you don’t like.
Use "Directly Copy" for Blu-ray backup:
1. Uncheck the chapters you don’t want to keep.
2. Click on "Format" bar and choose "Copy">>"Directly Copy".
3. Click “Convert” button
.
With “Directly Copy” Pavtube iMedia Converter copies selected video streams to hard disk without compressing. You get .m2ts streams from Blu-ray Disc and .vob streams from DVD.
Tip: When copy Blu-ray to .m2ts streams, make sure you have switched the app to "File Mode" (click 
to switch between “Title Mode” and “File Mode". Under “File mode” all the m2ts files in file list are checked by default. If you want to select but the main movie, a fast way is to right-click and choose ‘Uncheck All’ in shortcut menu and then check the main movie (longest m2ts file). Or simply check the small box in the title bar of the file list to check/ uncheck all.
