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problems with some built DVD's

Discussion in 'DVDR' started by falonga, Mar 9, 2007.

  1. falonga

    falonga Regular member

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    Hey there, i have 22 Avi's; a TV series.
    i split this into 4 groups: 2 with 6 clips in and 2 with 5 clips
    i converted these as the four seperate DVDs, with convertXtoDVD.
    so the output is 4 DVD's. (Verbatim DVD-Rs)
    i burnt at 8x speed, becasue the Discs were 16x

    The problem is, they willplay on all three of my DVD players, and om my computer. but not on my friends DVD player :S does anyone know why this might be? apart from my friends DVD player possibly being crap.

    Thanks
     
  2. Car.Mike

    Car.Mike Active member

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    It might be because your friends Player does not like the (-)DVD's or it might be as you stated the Player is crap. You might try a borrow a DVD from the friend and use that to burn a copy and see if that plays in the Player
     
  3. bbmayo

    bbmayo Active member

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    Sounds like your friend is the one with the problem ;-)
     
  4. falonga

    falonga Regular member

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    hey that made me laugh! cause' its my thought exactly!
    just wondering if it was possible to change the variables at my end (media choice, burning speed, encoding program etc) so that there is a higher chance of it working at her end???
    cheers
     
  5. bbmayo

    bbmayo Active member

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    Well the highest chances of making them work on all players would be to use +R quality media like TaiyoYuden or Verbatims and to "booktype" the discs.

    The booktype field identifies the disc as either a DVD-ROM, DVD+R(W) or a DVD-R(W) disc and is for a big part responsible for the compatibility. Because this setting is overwritten during the DVD-R production process it can’t be modified afterwards, the laser of your DVD recorder simply can’t write to that part of the disc. During the production of DVD+R discs the space is untouched. Still CSS keys can’t be written to DVD+R discs because every DVD recorder and DVD player has a limit in its firmware to write or read to this space. However, there is no limit for writing the booktype field. Therefor a DVD+R(W) recorder will be able to modify this field by sending a command to the DVD recorder and fool the DVD player.

    When the booktype field (bitsetting) is changed to DVD-ROM then DVD players are fooled and will think the user has put in a DVD-ROM disc instead of a DVD+R disc and will read it accordingly. This results in an increased chance that the player is able to read the disc and that’s why the ability to change the booktype field (bitsetting) is essential to a lot of users. Certainly owners of a DVD player that requires this field to be set to DVD-ROM, in order to work properly, will prefer a DVD recorder that supports setting the booktype field.
    Check out this link http://www.booktypefaq.com/

    Cheers :)
     

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