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  1. #1
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    AOG / VOG to MP3 Converter

    Hi All,

    I recently purchased a dvd Concert. The package contained two discs. One regular dvd of the live concert and a second disc, labeled as an audio dvd. The second disc had the same music as the live show but did not include the video portion. (Not much different than a regular CD).

    I popped the disc into my computers dvd player to rip the tracks and add them to my mp3 collection, but ran into a huge problem. Explorer shows that the disc has two folders: <font color=blue>Audio_TS</font color=blue> and <font color=blue>Video_TS</font color=blue>. Each folder contains an assortment of files with the following extensions (<font color=blue>*.bup *.vob *.ifo *.aob *.mkb</font color=blue>). The aob and vob files are the largest and I reckon that's where the music is...

    Anyone know how to extract or convert the musical tracks from this audio dvd?

    I've done my best on Google and ended up with a download, X2CD. It didn't work!
    - Ricky

  2. #2
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    Re: AOG / VOG to MP3 Converter

    Hey Ricky,

    I think you're in for a little work on this one. Don't expect a single program to do this all for you; instead, extract the audio, convert it to WAV, and then encode into MP3 or WMA format for long-term storage. The VOB files are where the music (an the video) are stored. You need to demux (de-multiplex) them to get the audio separated from the video stream first, and then you'll need to perform some additional steps once you complete that. What you will probably end up with first is a set of AC3 files, which are 5.1 encoded audio streams. You'll then need to convert and downmix the AC3 streams into WAV format so that you can encode them into something portable.

    I've used VOBrator in the past to rip 5.1 encoded audio so that I didn't need to plop a DVD in every time, but there are some additional tools as well. You can obtain VOBrator here. I've also used VirtualDub to copy audio streams, but this I use with an AVI files, just capturing the MP2 stream. I can't tell you if it will do the job for your DVD pleasure since I don't use it for that.

    Another few pages to browse through for the tools of your choice and some help:
    <UL><LI>http://www.digital-digest.com/dvd/do...s/ripping.html
    <LI>http://www.riphelp.com/articles/dvdripping.html
    <LI>http://www.digital-digest.com/dvd/download...c.html#ac3utils[/list]Good luck!
    -Mark

  3. #3
    Silver Lounger Bruce K's Avatar
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    Re: AOG / VOG to MP3 Converter

    Hi, Mark ~

    In light of your knowledge in this area, off the top are you aware of a manner of ripping an audio track from a .mov file?

  4. #4
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    Re: AOG / VOG to MP3 Converter

    Indeed. The method I have used on those occasions is kind of a kluge, but it works. You need to first convert the QuickTime stream to MPG, which can be done using the program TMPGEnc and the Quicktime Reader plug-in. You can grab both of them here:

    http://www.afterdawn.com/software/video_so...for_tmpgenc.cfm

    At that stage, you just need to separate the audio stream - no additional encoding necessary. <img src=/S/smile.gif border=0 alt=smile width=15 height=15> It looks like the latest version of TMPGEnc is trialware, with a thirty day limit. It used to be a freeware download.
    -Mark

  5. #5
    Silver Lounger Bruce K's Avatar
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    Re: AOG / VOG to MP3 Converter

    Thanks, Mark <IMG SRC=http://www.krymow.com/images/yougo.gif> I will give it a shot!

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    Re: AOG / VOG to MP3 Converter

    Hi Mark:

    Thanks for the info and the links - it has got me 95% through the process - <img src=/S/cheers.gif border=0 alt=cheers width=30 height=16>

    That was a lot of work!. But, in the end I was able to use a combination of DVDDecryptor, VOBrator and AC3Decoder to get a single new MP3 file from the DVD. I ended up with 256 kbps for quality, so I'm okay with that... And the MP3 is one long continuation of 18 tracks (90+ minutes)

    It's late now and I'm quitting for the evening, but when I return, I'll have to find a way to split the one mp3 into 18 smaller ones. I know I could convert to wav and use a wav editor (I've got one or two of those...) but I'm a bit worried that converting back and forth and back again will diminish quality.

    Thoughts??
    - Ricky

  7. #7
    Silver Lounger Bruce K's Avatar
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    Re: AOG / VOG to MP3 Converter

    Hi, Mark ~

    I downloaded the TMPG software and the QT plugin. All I can seem to get is an MPG with no sound. Are there some special settings that need be enabled to convert properly?

  8. #8
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    Re: AOG / VOG to MP3 Converter

    At 256K you're probably not going to miss much quality wise, but I understand the concern. Why go to the trouble for the risk? <img src=/S/smile.gif border=0 alt=smile width=15 height=15> MP3DirectCut should allow you to do just what you want without any loss. It never converts the file so it remains in the state it started in. In fact, it's designed to do what you want...I've used it for cutting some old vinyl (remember that stuff?) that I "ripped" into smaller files.
    -Mark

  9. #9
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    Re: AOG / VOG to MP3 Converter

    Hmmmn, I wonder if it has something to do with the installation of Quicktime's additional software? I just got the same result and I know I've had it work previously. I did a little hunting and found MPEG4 Direct Maker which has a trial version, and when I ran it I was prompted to add the "QuickTime Authoring" component. I just recently did a format and reinstall of Windows, and I explicitly disabled all the extras in QuickTime (I just wanted to view movie trailers).

    Seems that it's a common question and depends greatly on the version of Quicktime, too. The codecs are the important piece, and Apple's format is protected by its license. Check out this link and the resources at ArsTechnica for some additional ideas. Good luck!!
    -Mark

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    Re: AOG / VOG to MP3 Converter

    Great program, Mark.
    I was about to recommend it but you were the fastest in the west <img src=/S/wartgun.gif border=0 alt=wartgun width=73 height=24> <img src=/S/smile.gif border=0 alt=smile width=15 height=15>

    Besides, why not say it? MP3DirectCut is <img src=/S/free.gif border=0 alt=free width=30 height=15>!!!!!
    <img src=/w3timages/blue3line.gif width=33% height=2>
    <img src=/S/flags/Argentina.gif border=0 alt=Argentina width=30 height=18> <big><font color=4682b4><font face="Comic Sans MS">Diegol</font face=comic></font color=4682b4> </big>

  11. #11
    Silver Lounger Bruce K's Avatar
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    Re: AOG / VOG to MP3 Converter

    Hi, Mark ~

    Update: I spent about 7 hours downloading, reading and trying to use the other apps, but unfortunately w/ no success. I broke down and downloaded QuickTime Pro. I am impressed w/ how easily, quickly and w/ the quality in which I finished this little task:<UL><LI>Opened the .mov in QTP > 'Edit' > 'Extract tracks...' > 'Sound Track' > 'Extract'<LI>New window opened w/ audio track > 'File' > 'Export...' > 'Export sound to WAV' > 'Save'[/list]It took about 22 seconds! I now have a high quality 544KB .wav from the 3.1MB .mov file.

    Thanks! <img src=/S/smile.gif border=0 alt=smile width=15 height=15>

  12. #12
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    Re: AOG / VOG to MP3 Converter

    Ahh! So the secret does indeed lie in your wallet, as I suspected. <img src=/S/wink.gif border=0 alt=wink width=15 height=15> Brava, Bruce.
    -Mark

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