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is this possible ? if so how ?

Discussion in 'Movie Forum' started by dUnKle, Nov 29, 2003.

  1. dUnKle

    dUnKle
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    I have been asked by a work associate if its possible to extract the audio from a music dvd and back it up onto a cd to listen to in the car

    Is it possible ?

    If so how ?
     
  2. dUnKle

    dUnKle
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    anyone know ?
     
  3. KraGorn

    KraGorn
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    From a brief search on www.doom9.org it seems BSweet may be what you need. Never used it myself, I know of it being used for DVD authoring and transcoding, it may be able to rip AC3 to MP3 from looking at its' feature list .. "Extraction of audio streams from AVI & VOBs."

    You'd need to use DVD Decryptor os something similar to rip the DVD apart then BSweet looks like it'll be able to extract the audio for you.

    Hope this is useful. ;)
     
  4. alan8477

    alan8477
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    I suppose you could just do an analogue recording onto a CD recorder, the only problem is you can only get 90mins on CD so would need to use 2 discs. OR you could record onto a PC and convert to MP3 if you have an MP3 compatible CD player.
     
  5. dUnKle

    dUnKle
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    thanks very much

    alan can I just ask how the above is done ?
     
  6. hornydragon

    hornydragon
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    Just play DVD in DVDplayer and take stereo audio out into PC or CD burner and record as you would from CD to minidsc or tape.
     
  7. dUnKle

    dUnKle
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    is it not possible then for a programme just to automaticly take the audio and copy it to hard drive ? say by a wizard ?
     
  8. hornydragon

    hornydragon
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    dunno mate PC is not my strong point
     
  9. KraGorn

    KraGorn
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    Not that I've ever discovered. Re-recording is usually the easiest way for this sort of thing, I didn't suggest it because you obviously lose quality by converting digital analog and then back again, it's also somewhat tedious but it does work.

    This can be done with CDs, hence all the 'pirate' MP3s in the world, DVDs usually are encoded in 5.1 sound which in turn is buried inside data files containing video, audio and other info making it a lot hard to extract .. I'm sure BSweet does do it but it's not as simple as hitting 'Record' in a music player/ripper, sadly.
     
  10. dUnKle

    dUnKle
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    Thanks for all the help

    So, what I need to do is rip the DVD to my PC, then extract the audio and then pop it on CD ?

    Is this easy to do ? How long will it take ?

    Quality is not too much of an issue
     
  11. KraGorn

    KraGorn
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    You could try the recording across machines approach, it'll only require a cable.

    As I said above, I've never used BSweet so can't help you there. To rip the DVD you need DVD Decrypter, available here (if a mod. doesn't yank the link ;) ) and BSweet from the page I linked to above.

    Ripping the DVD will usually only work at 2X speed, so probably about 30 mins, ripping the audio should take considerably less time.

    Good luck if you try this, I'm sure there is a forum for BSweet.
     
  12. dUnKle

    dUnKle
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    Have the DVD on hard drive

    Have downloaded BeSweet

    Told it the file

    Told it how I want the output

    but when I click go nothing happens
     
  13. dUnKle

    dUnKle
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    ok

    ignore the above

    I have got it working but am a little confused

    I have extracted the DVD to hard drive and have 2 VOB files - 1 is 1048544 kbs and the other 106758

    If I click on them they play in Power DVD with video etc and last for 20 minutes and 10 minutes

    However when I convert the VOB to MP3 the music only runs for 8 minutes and 3 minutes

    Why would this be ?
     
  14. KraGorn

    KraGorn
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    Hmmmm. :confused:

    How does the ripped audio compare to the original. Is is shorter, quicker, what?

    Not having ever tried ripping audio from a DVD I can't really think of what issues there may be.
     
  15. dUnKle

    dUnKle
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    Well - its not as bad as I thought - although media player shows it as having the low running times if you leave it running it does amount to the full time

    Very strange

    Now all I have to do is get the MP3 files onto a CD

    I try to do it on NERO and it says start of disc error or something similar
     
  16. KraGorn

    KraGorn
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    Is the MP3 coded in variable-bit-rate (VBR) by any chance? Not sure of current versions, but earlier instances of Media Player didn't understand VBR files, assumed a (wrong) low bit rate and calculated the wrong play-time accordingly.

    Nero should be able to burn these, "disc error" at first glance looks like its' complaining about the CD-R you've given it .. any more details of the error?
     
  17. dUnKle

    dUnKle
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    The error is COULD NOT PERFORM START OF DISC AT ONCE
    BURN PROCESS FAILED
     
  18. alan8477

    alan8477
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    Sorry about not getting back to answer your question, but been away all day. Still looks like you're on course for a solution.

    Just as a matter of interest, what is the music DVD that you want to put on CD?
     
  19. dUnKle

    dUnKle
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    Even though I have it im not sure - it some obsucre thing

    Just need to get the tracks onto a CD now
     
  20. dUnKle

    dUnKle
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    Even though I have it im not sure - it some obsucre thing

    Just need to get the tracks onto a CD now
     
  21. KraGorn

    KraGorn
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    Not a very helpful error message :( ... 99% probability it's the cd-writer or the media, no idea which I'd blame first.
     
  22. inzaman

    inzaman
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    Duncanwardle, i dont have a dvd player on my pc but all i do is connect my cd recorder to my dvd player via coaxial or optical and down mix the dolby or dts track to two channel then burn it to a cd like that, for some concerts etc you may have more than one cd but it does sound very good especially with the dolby digital or dts down mixed.
     
  23. Dean

    Dean
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    Yes that is the best way, I do the same but just using a MD deck as a recorder. Forget the PC route as it is a lot more complicated. However there is a possibility that the DVD is copy protected and so 'cannot record' message appears when using a coxial/optical interconnect. If this happens then you have to use the analgue audio outputs instead (i.e. phono interconnect).
     
  24. inzaman

    inzaman
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    Dean i had to do that for a couple, i.e use the anologue lead rather than coaxial but again you still get a damn good copy especially when its down mixed. I did a sample by recording a dolby two channel from one concert then about two songs in i switched to 5.1 downmixed and you can tell straight away on the cd which is which.
     

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