Friday, September 30, 2016

Digital file formats: .VOB


We will cover here about .vob file formats and various reference sources to answer your questions about this video file extension:

The VideoHelp Forum is a great help resource to go to: They cover about avidemux video editor and converter:

How to get started with avidemux, edit and convert any video format

How to convert DVDs back to MPG files for reauthor or reedit
If you have authored, recorded a DVD and you want to reedit or re-author it without reconverting it again then just "convert" the DVD VOBs back to a MPG file or MPEG2, AC3, MPA, WAV elementary streams(called demultiplexing) for easier editing and authoring. This does not affect the video or audio quality. and to further read the response to the above question check out:

What is the Function of .IFO .BUP .VOB files on a DVD?
Brassplier's question is: Some of the .vob files are quite large, some are small. Looking at the individual .vob files with mediainfo, it lists them as mpeg2 files. And in fact, I find if I put an .mpg extension on them, media players will play them.
So, I take it the .vob files are the primary audio/video files. The largest three on one particular disc I made are 921,990KB, 921,680kb, 921,950kb. What's the significance of this size? The larger .VOB's are listed as VTS_01_1.mpg, VTS_01_2.mpg, VTS_01_3.mpg VTS_01_4.mpg though the last one is apparently the "leftovers" since it's only about 32 megs. and he likes to know What are .ifo and .bup files for?
Check the responses at this thread:

Q: Multiple .VOB file to one file?
Here is the responses thread

Q: What is the Best/Fastest way to easily convert a dvd (.VOB) to .avi

Q. Edit a VOB without Intermediate Files:
This guide assumes you already have a prepared VOB to edit.

Q. Devices to play VOB files in VIDEO_TS folder like a DVD?


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