DVD Compression

Discussion in 'Video to DVD' started by papaboy, Nov 19, 2006.

  1. papaboy

    papaboy Member

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    Hi All:

    Been using DVD Shrink by itself, with DVD Fab, Ripit4me, DVD Decrypter, Menu Shrink,etc.

    Lately, I've been seeing some movies after compression (automatic and custom ratio that won't fit on a 4.7gb disc leaving me with the re-author mode option instead of my preferred full backup mode.

    How can I gain more compression and still use full backup?
     
  2. Mousertm

    Mousertm Member

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    Well, I use AnyDVD and 1 Click DVD Pro and have yet to have a problem with any movie. Ever since I changed the setting to auto update, I have not had anything come my way that I can not back up.

    Some time ago, I did try an program called ImTOO DVD Ripper, but that was before I went to auto updates, and it seemed to work very well. (can't remember where I found it tho)....

    Sorry I can't be of more help, just letting you know that with the two I use I have yet to have a problem. If it works, don't fix it, if it don't work, replace it....

    Cheer's

    Mouser
     
  3. papaboy

    papaboy Member

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    Thanks for your input Mousertm, but all of the freeware programs I've listed have been able to handle any movie to date.

    I think that DVD Shrink has some other tools to add more compression and still use full backup with which I'm not familiar.

     
  4. attar

    attar Senior member

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    You can try 'deep analysis' before shrinking then run the 'shrinked' output files through once more.
     
  5. Halen5150

    Halen5150 Regular member

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    ....or just give DVD-RB a try....
     
  6. papaboy

    papaboy Member

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    What is DVD-RB?
     
  7. Halen5150

    Halen5150 Regular member

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    ...well; DVD-RB stands for DVD Rebuilder; it's a program which is unlike DVD Shrink...instead of 'taking out' parts of the movie to compress the video; DVD Rebuilder takes the whole movie and completely 'rebuilds' or encodes the whole dvd all over again.....except with DVD Shrink; it just takes negligible amounts of the video/spec. features that you don't notice and puts them towards more demanding bit rate scenes.....



    ....DVD Shrink is wat's known as a transcoder.....


    ...DVD Rebuilder is an encoder.....

    ...and DVD Rebuilder does a much better job on quality of compression on a full disc backup than Shrink....

    ..but I will warn that DVD-RB is a lot more time - consuming....

    ..but if quality is your aim; and you don't mind taking a lil' more time w/ each movie; then this is your choice:)....


    ...@ least; it works good for me...


    ...just do a google search on it and you'll be able to read up on it's full potential.....pretty amazing program if you ask me;); one of it's own kind:)
     
  8. vurbal

    vurbal Administrator Staff Member

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    Just to clarify what Halen5150 is talking about a little, the process of compressing a DVD to a smaller size is always transcoding. Programs like DVD Shrink do what's known as 'Compressed Domain Transcoding' which means they just remove data from the existing video stream. Re-encoding, on the other hand, involves making brand new calculations for encoding the video with a lower bitrate. Since you can use an encoder that's basically equivalent to what was used to encode the original you can get a lot better quality from re-encoding than compressed domain encoding. It typically takes quite a bit longer, but IMO it's well worth the time.

    We have a guide here for DVD-RB, but it's for an ancient version. Some time soon I hope to get it updated.
     
  9. papaboy

    papaboy Member

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    I knew about the transcoding and the encoding but am a babe in the woods about the rest of the information, which by the way, I find extremely helpful.

    Thanks
     
  10. Halen5150

    Halen5150 Regular member

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