1.    31 May 2016 #1
    Join Date : Apr 2016
    Posts : 228
    Windows 10 Pro 1511

    DVD size


    Hello Forum
    Recently I made a DVD using some authoring program. I have 13 mp4 clips, alltogether 611 MB, 1:50 hrs, with some simple menus added, I ended with a dvd folder size 4.25 GB. How 611 MB "swell" into 4.24 GB ?
    The dvd plays well, I am just interested what made the material become so large ?
    Explanations will be appreciated
    Thanks
    Motim
      My ComputerSystem Spec
  2.    31 May 2016 #2
    Join Date : Nov 2015
    Posts : 2,954
    64bit Win 10 Pro ver 1709 Build 16299.125

    It depends how you specified the burn process for the DVD. The options are usually to either leave it unclosed so that you could add more files later as if it were a data disk or to finalize the disk to make it act like a DVD. It appears your authoring program chose the latter and so the disk has been set up as a DVD and in this case you can't add additional files and the disk is made to appear full.
      My ComputersSystem Spec
  3.    31 May 2016 #3
    Join Date : Nov 2015
    Posts : 133
    Windows XP, 7, 8.1, 10, Knoppix [Debian] linux

    Quote Originally Posted by Motim View Post
    Hello Forum
    Recently I made a DVD using some authoring program. I have 13 mp4 clips, alltogether 611 MB, 1:50 hrs, with some simple menus added, I ended with a dvd folder size 4.25 GB. How 611 MB "swell" into 4.24 GB ?
    The dvd plays well, I am just interested what made the material become so large ?
    Explanations will be appreciated
    Thanks
    Motim
    Authoring a DVD requires that the video streams be compliant with tight specifications.
    MP4 clips are not DVD-video compliant, so your authoring program re-encodes them into MPEG-2 compliant VOB files.
    Depending on the quality, bit rate, and size parameters that its encoder is set to use, the final file size may shrink, grow, or stay the same,.
      My ComputerSystem Spec
  4.    31 May 2016 #4
    Join Date : Jul 2015
    Posts : 9,552
    Windows 10 Pro

    Quote Originally Posted by mike s View Post
    Authoring a DVD requires that the video streams be compliant with tight specifications.
    MP4 clips are not DVD-video compliant, so your authoring program re-encodes them into MPEG-2 compliant VOB files.
    Depending on the quality, bit rate, and size parameters that its encoder is set to use, the final file size may shrink, grow, or stay the same,.
    That is the correct answer.
      My ComputerSystem Spec
  5.    31 May 2016 #5
    Join Date : Jan 2015
    Posts : 694

    NavyLCDR, thanks for +1'g the correct answer for mike s. I deleted my earlier post 'cause I thought the authoring program was in this case simply being used to make a normal DVD
      My ComputerSystem Spec
  6.    02 Jun 2016 #6
    Join Date : Apr 2016
    Posts : 228
    Windows 10 Pro 1511
    Thread Starter

    Hello philc43
    Thanks for the answer \ explanation. I just wanted to know how many clips can I add to make a dvd not to eceeding 4.7 gb disk,
    what I meen is can I make some calculation before starting to make the dvd.
    Thanks again
    Motim
      My ComputerSystem Spec
  7.    02 Jun 2016 #7
    Join Date : Aug 2015
    Posts : 50
    Windows 10

    As stated above, it depends on the settings used and the authoring program settings. Most will tell you if the setting exceed the limits.
      My ComputerSystem Spec
  8.    02 Jun 2016 #8
    Join Date : Nov 2015
    Posts : 2,954
    64bit Win 10 Pro ver 1709 Build 16299.125

    Quote Originally Posted by Motim View Post
    Hello philc43
    Thanks for the answer \ explanation. I just wanted to know how many clips can I add to make a dvd not to eceeding 4.7 gb disk,
    what I meen is can I make some calculation before starting to make the dvd.
    Thanks again
    Motim
    I'm not sure what program you use but most will let you add clips up to the size limit of your DVD and will tell you if you exceed the limit. You can then experiment with different combinations of clips until you are happy before you burn the files to the DVD.
      My ComputersSystem Spec

 


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