How to Convert DVD to VOB on Mac
A DVD disc has a special file system that is different from both Mac and PC. There are usually VOB, IFO and BUP files on the disc. VOB, short for Video OBject, store the video, audio and subtitle stream. IFO is is a configuration file that specifies the disc structure and includes region code information. BUP, acronym of "backup", is the backup file of IFO. So you may think, there are already VOB files on the DVD disc, could I directly copy them to my Mac? Sorry, you can't or may find it difficult.
First, VOB files are always decrypted by copy protection methods such as CSS. Second, there are lots of VOB files of larger than 1G on the disc, you need to merge them into one and compress losslessly to get high quality videos. Maybe you can achieve with several software, buy why not try this DVD to VOB Ripper for Mac? It can easily remove DVD copy protections and convert DVD to VOB to suit you needs - you could select the main movie or just a chapter, multiple subtitle or just one. It also supports to directly convert DVD to iPod, iPhone, Apple TV, PSP, PS3, Zune, mobile phone, MP4 Players and many other players. If you are using Windows OS, you could also get DVD to VOB ripper for Windows here.
Below is a step-by-step guide to rip DVD to VOB on Mac OS X (Mac Snow Leopard, Lion included).
Step 1: Free download and install DVD to VOB Ripper for Mac
Whatever your Mac is Intel or PowerPC processor based, you could free download the right version of DVD to VOB Converter for Mac. Click to download for free trial.
Download DVD Ripper for Mac (Intel version) Download DVD Ripper for Mac (PowerPC version)
To install it, simply mount the .dmg archive by double-clicking it, and copy the application to your applications folder (or wherever you want).
Step 2: Load DVD to convert to vob video
Insert DVD into your DVD-ROM. Launch DVD Ripper for Mac, there are three ways of loading DVD. You are allowed to add multiple DVD folders.
a. The program will automatically detect DVD files and start loading.
b. Click "File"->"Load DVD" or "Load DVD Files" from main menu to browse your computer hard drive and select the DVD you want to Load.
c. Just easily drag and drop DVD files into program for converting.
Step 3: Select VOB as output format
Click image button on the right of each video item, set output file name and choose vob as the output format from the "Format" list. There are a variety of video and audio format for output.
Step 4: Change VOB Video and audio Settings
You can set output video and audio such as Resolution, Encoder, Bit rate and Frame rate of the VOB video.
Step 5: Select output directory
Click "DVD Ripper"->"Preference"->"Output" from main menu, you can choose directory for locating converted files and screen captures.
Step 6: Rip DVD to VOB
Click "Convert"->"Start Conversion" to start the process when everything is set.
What's VOB?
VOB stands for DVD Video Object. A VOB file is a container format in DVD-Video media. VOB is based on MPEG-2 program stream format. It contains the actual Video, Audio, Subtitle, and Menu contents in stream form. To play VOB files, you need to have DVD player software that supports VOB playback. If you wish to burn the VOB files to DVD discs, you need to have all the other standard DVD files as well, including IFO and BUP files.
