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Posted by toronado455 on 10/06/52 11:45
What if you want to convert .VOB into an MPEG-2 with audio? (Not just
an mpg without audio)
MS wrote:
> xyuxyu@gmail.com emailed this:
> > Hi there - I wonder if someone can help me with this. Our band have
> > made a DVD but we've lost one of the original MPG files for one of the
> > songs, so I want to grab the file back off the DVD and put it back on
> > the computer in MPG format. How do I do this? I've had a look on the
> > DVD and the video is there in these .VOB files. I have Ulead
> > Videostudio 8 and VLC Media player 0.8.2, which I've tried. ULead can't
> > open .VOB files. I also have a video camera and tried doing video
> > capture by plugging my DVD player into the camera then the camera into
> > the PC. It captures from the camera just fine, but doesn't pick up a
> > video signal from the DVD player.
> >
> > I tried one of the FAQs for this, but couldn't find an answer. There
> > must be a simple way using software, I'm sure - anybody know how to
> > grab video from a DVD and put it into a file in Windows? Nb. I have a
> > DVD writer in my PC.
> >
> > Thanks in advance,
> >
> > John (Glasgow, Scotland)
>
> Hi John,
>
> The info. about renaming the files as mpg is not a good way to do this.
>
> Here is what you should do.
>
> 1. Copy all the files from the DVD onto your hard disk (make a new folder
> for them). NOTE If your DVD has been copyright protected use DVD Decrypter
> to copy the files to your hard disk, info. on DVD Decrypter can be found
> here: http://www.videohelp.com/tools?tool=DVD_Decrypter
>
> 2. While they're copying (it will take a while) download VobEdit 0.6 from
> here:
>
> http://www.videohelp.com/download/Vobedit06.zip
> Homepage: http://www.ifoedit.com/
>
> It is free software and requires no installation, just extract vobedit.exe
> from the zip and run it.
>
> READ 3. CAREFULLY.
>
> 3. When a DVD is compiled all the video and audio and subtitles are
> combined together (called multiplexing) into sequences of VOB files, a VOB
> file has a max size of 1GB which is why you get a sequence. Each VOB file
> will usually contain a MPEG2 video stream, one or more audio streams, and,
> if appropriate, one or more subtitle streams. VobEdit will allow you to
> extract these streams into separate files (video, audio, etc).
>
> A DVD can have multiple 'tracks' on it (nothing to do with an audio track,
> just a term used for a specific sequence of VOB files on a DVD). So your
> DVD may have VOB files named something like this:
>
> VTS_01_1.VOB -- track 1, first in sequence
> VTS_01_2.VOB -- track 1, second in sequence
> VTS_01_3.VOB -- track 1, third in sequence
> VTS_02_1.VOB -- track 2, first in sequence
> VTS_02_2.VOB -- track 2, second in sequence
> VTS_03_1.VOB -- track 3, first in sequence
> VTS_03_2.VOB -- track 3, second in sequence
>
> The first number of a VOB file sequence is the DVD track number, the
> second number specifies the ordering.
>
> Since yours is a music DVD (IE. not as long as a movie) each DVD track may
> have only one VOB file, so you may have VTS_01_1.VOB, VTS_02_1.VOB,
> VTS_03_1.VOB or everything on the DVD may be contained in just one DVD
> track; VTS_01_1.VOB, VTS_01_2.VOB, VTS_01_3.VOB, VTS_01_4.VOB,
> VTS_01_5.VOB. It depends on how the person who made the DVD structured it.
>
> 4. You are only after the data of one of the songs but which DVD track is
> it on? To find out load the first VOB file of each VOB sequence into VLC
> and see if it's the correct video. EG. Try VTS_01_1.VOB then VTS_02_1.VOB
> etc. If the correct video is in VTS_02_1.VOB then you know you're after
> the second DVD track. If your DVD only has one track you'll just have to
> extract it all and later on find where the song's video starts and stops
> in the one long video file of all the video on the DVD.
>
> 5. Extracting the separate files (video, audio, etc) from the VOB files is
> called demultiplexing. Run vobedit.exe and click 'open' in the bottom left
> corner, then navigate to the folder that has your DVD's VOB files. If you
> established which track has your video in it open the first VOB file of
> that sequence of VOB files. EG. VTS_02_1.VOB if you only have one DVD
> track on the DVD just open VTS_01_1.VOB. NOTE you will NOT need to open
> further VOB files in the sequence, just the first, VobEdit will
> automatically move through the sequence of VOBs. So if you open
> VTS_02_1.VOB it will know to do VTS_02_2.VOB and VTS_02_3.VOB as well if
> they exist.
>
> 6. When you open the VOB file a whole load of info. will be displayed in
> VobEdit. Now click on 'demux' also near the bottom left corner and a
> dialog will pop up. All the boxes will be unticked, now JUST tick 'demux
> all video streams', 'demux all audio streams' and 'demux all subp
> [subtitle] streams' (DO NOT TICK ANYTHING ELSE) and click 'OK'. A 'save
> as' dialog will pop up, so just choose a new folder to save the
> demultiplxed files into and the demultiplxing will start (it will take a
> while to finish).
>
> 7. The folder you just chose will now have a .m2v file which is MPEG2
> video, a .ac3 dolby stereo file (or a different extension depending what
> audio format is on the DVD) and .sup files if there are subtitles on the
> DVD. [There may be more than one audio file if there are more than one in
> the VOBs --not likely on a music DVD].
>
> 8. The .m2v file can be opened by any video playing software, so have a
> look at it and see if you've got the right video. Note that VLC often does
> not display the correct time info. for a video file. BS Player has a free
> version which is pretty good, see here: http://www.bsplayer.org/
>
> That's it -- good luck !!
>
> Hope this helps,
>
> MS (or as my Scottish cousin calls me 'The Sassenach')
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