Have you ever tried to open and look inside a DVD that contains movie? If you put the DVD on your DVD ROM and go inside the DVD, you will find two folders. They are, Audio_TS and Video_TS. Usually the Audio_TS folder is empty. The other folder will have a lot of files in it.
There are three types of files in a movie DVD. They are IFO files, BUP files and VOB files. IFO stands for Information. This file contains all the information about the DVD, the chapter settings, language settings, subtitle tracks and synchronizations information. BUP stands for Backup. They are the backup files of IFO files. And, the last type of file is the VOB file.
You will notice that the VOB files are the biggest in size. That is because these are the movie files. VOB is the acronym for Video Objects. It is a video container format for DVDs. It is based upon MPEG-2 stream format. All the DVD movies that you see are in this VOB format that the DVD players can play.
However, this video format is not much supported outside DVD. What I mean is, if you try to work with VOB files, you will be disappointed. Many video players do not support this format. Many applications and video editors do not support this format. So, when you have to work with VOB files, you just have to seek other ways to make it work.
The best thing to do, when you are stuck with VOB files, is to convert them to other video formats. Some may object about conversion because there are some DVD rippers that actually cannot convert. Some of them produce corrupted files. The file gets the extension right but the file never plays. Some of the rippers are very much format specific. They support one or two formats and that is all that they can do. It is not practical to use different converter every time you convert a different format.
There is also the fear that the video quality will get lower. This fear is not irrational. There are DVD rippers that may lower the video quality. They may get the video all darken that you cannot see anything properly. There are some rippers that get the video all blurry or hazy. Some make the video very blocky like the video is made out of blocks. Some make the video grainy, some make it foggy and some make it striped like the video is sliced into horizontal lines. You do not want any of those to happen.
To stop all those fears to come true, you have to use the best DVD ripper that is out there and that is DVD Ripper for Mac by iSkysoft. It is a great VOB converter for Mac. It can convert your DVDs into a lot other video formats and it keeps the video quality just the way it was in the original DVD. It is very easy as the interface is made for convenience.
Ripping a DVD also helps you in other ways such as keeping backups, using them for editing and plays them on handheld devices. And to perform those tasks, you need the DVD ripper for Mac by iSkysoft.
Alice wang is a experienced writer in areas of software, such as vob converter for mac and vob converter mac and so on. If you want to know more details about this kind of software, please contact with me.
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