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Lost quality; why?

Discussion in 'DVD / BD-Rebuilder forum' started by tjlmbklr, Nov 16, 2007.

  1. tjlmbklr

    tjlmbklr Member

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    I recently stopped using Ripit4Me and started using DVDfab to rip to my HD. I also took some advise from a fellow member on the issues I was having with DVD's not playing recently on my player. I use Imageburn, so he/she suggested to change the "book type" to DVD ROM to fake out my DVD player. I have since noticed (on my 55 inch HD TV) that the pictures are a bit grainy. I never had this before. Is what I am doing making a difference. Is DVDfab my issue, is it the "book type" change. Oh BTW I of course use Rebuilder with Cinema Craft Encoder.

    Just a little concerned why I went from flawless copies, to grainy copies.
     
  2. tripplite

    tripplite Guest

    have you changed media types? have you changed from -r/+r
    burn speeds?
    usually a book type change on quality, burn the same video type with the book change and one with out and compare


    i prefer to either just make an exact copy, or rip it with ripit4me then convert it to a high quality video type and then burn to a dvd.

    id say whats causing you to lose quality is dvdfab, it has a worse quality rip
     
  3. tjlmbklr

    tjlmbklr Member

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    I guess i could try and do a burn with and without booktyping to compare.vI am however now leaning towards the DVDfab as the possible culprit.

    so if this is the case what should I use to rip then?
     
  4. res2cue

    res2cue Guest

    I'm going to disagree about dvdfab HD decrypter being the problem, I would look more towards the transcoding and ratio of compression. I have never had any issues with fab and also have a 50 something HD tv.
     
  5. LOCOENG

    LOCOENG Moderator Staff Member

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    I'm with Res2cue on this one as I primarily use DVDFab HD Decrypter for all my ripping and when I do use DVDRB I've seen no ill effects. Do you have all of your paths set up correctly in DVDRB? Have you looked at any setup/tweaking guides?

    http://forum.digital-digest.com/showthread.php?t=55302
     
  6. tjlmbklr

    tjlmbklr Member

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    Thanks for the replies. I forgot to mention one other thing. I did by a new laptop. It is now my new burning tool. But I loaded everything exactly the same settings and all. I have even made a few burns since then without any quality loss (that I think). I haven't change anything since (burn speeds...etc etc)I am using different Verbatims then before, but they are still DVD+R's just not lightscribe like my old ones. in the mean time I'll double check to see if there is anything that may have changed.

    In the mean time I am still open for suggestions.

    Thanks again

    TJ
     
  7. tripplite

    tripplite Guest

    i agree, if i think of any new ideas (fresh install)i let you know
     
  8. vamsilak

    vamsilak Regular member

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    seems like sounds like i think u r using dvd5

    ofcourse if it dvd5 u wull loose atleast 20-50% quqlity

    unless u choose movie only
    most of then under 4.7bg
     
  9. tjlmbklr

    tjlmbklr Member

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    Yes I am using DVD 5, I've always used DVD 5. I haven't had an issue till now though.
     
  10. res2cue

    res2cue Guest


    not true, you will compress that much, although that is not meaning you lose that much quality. I've compressed a many movie at 55% and seen absolutely no visual loss on my 55" television.
     
  11. creaky

    creaky Moderator Staff Member

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    Absolutely..hence why i use DVD Rebuilder for any movie under 90% compression, (and that's movie only to boot), it's an incredible bit of software. As for Episodic discs i use Rebuilder by default, just the other day i did Battlestar Galactica (Season 3 all 5discs) with Rebuilder, the compression was an unbelievably low 44%, yet Rebuilder did an incredible job (i only ever do 2 passes btw).
     
    Last edited: Nov 24, 2007
  12. tripplite

    tripplite Guest

    "'Verbatim Taiyo Yuden', vanilla Verbatim, vanilla Taiyo Yuden & RICOHJPNR03 are the ONLY media allowed near my Burners/standalone players "

    haha, i agree with your comment creaky,DVD Rebuilder just can't be replaced by anything else,
     
  13. vamsilak

    vamsilak Regular member

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    sowwy guys
    inever use redbuilder
    how easy it is
    is that a freeware
     
  14. Sophocles

    Sophocles Senior member

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    Most DVD recording softs are defaulted to book type DVD-R. A grainy copy points to some possible problems with the original (some of it was already there) that are accentuated when compressed or there are a high number of frames in the original. Try to trim unwanted or unneeded soundtracks and extras that could reduce encode space. Media either works or it doesn't and if it works and you have a video quality issue then look elsewhere.
     
    Last edited: Nov 24, 2007
  15. res2cue

    res2cue Guest

    neither do I. I am an anydvd clonedvd guy. or a dvdfab decrypter guy. Every now and then I feel frisky and become an imgburn guy.
     
  16. Sophocles

    Sophocles Senior member

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    That's the beauty of forums, they can have all kinds of categories. The DVD RB forum is just one of those choices. If you require an easier albeit lower quality solution then there is a simpler forum for that purpose. The link below will take you there.


    http://forums.afterdawn.com/forum_view.cfm/78


    By sowwy I believe that you are speaking phonetically and you mean sorry? How easy it is depends on whether you have a little spare time to lean how to use it. In my view it is very easy! Whether it is free or not depends on how much of it you want to learn. There is a totally free version that even inclucds a choice of transcoder, and encoders. How good do you want your copies to be??
     
    Last edited: Nov 24, 2007
  17. res2cue

    res2cue Guest

    i know my way around just fine.. thanks

    and as far as lower quality, I beg to differ with a naked eye
     
    Last edited by a moderator: Nov 24, 2007
  18. Sophocles

    Sophocles Senior member

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    Then use it and stop screwing around with off topic discussions in this one. I use anyDVD too but I have no need to discuss or hear about another common transcoder, they are all too common and aging. If you want to run with the dogs then you have to stop playing with the puppies.


    This is not a transcoder forum so move you discussion to where it belongs!
     
    Last edited: Nov 24, 2007
  19. res2cue

    res2cue Guest

    not sure what your problem is, but tomorrow try something different and put some milk in the corn flakes.

    If you are so worried about this being in the wrong forum, why not read the entire thread and realize this is not a rebuilder issue at all, so maybe the entire thread is in the wrong forum and some mods posted in here so rag on them too while you're at it.
     
    Last edited by a moderator: Nov 24, 2007
  20. Sophocles

    Sophocles Senior member

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    I don't have any problems, I understand your point of view. I went through the transcoder phase back in June 2003. It was about then that I began to understand the benefits of re-encoding over transcoding. Transcoding is an inferior method of backing up a DVD. It's quick and dirty but sometimes removes too much from the wrong places. Re-encoding analysis the entire DVD structure and then reallocates/redistributes bitrate across the entire DVD where it is needed without removing any of the actual video. Neither are perfect solutions but re-encoding keeps the backup much closer to the original than does transcoding.

    You are in fact in the wrong forum to discuss a one click transcoder!

    I already answered his question!

    A grainy outcome is either because the original suffered some graininess or was exhibiting mosquito effect which was exaggerated because of compression. Bad media can cause all sorts of problems, but if the result is compliant and playable then the copy is complete and would be the same regardless of media quality. If he really wanted a bad result then all he haz to do is use CloneDVD or DVD Shrink, or any other transcoder, they all essentially do the same thing which is to largely compress the "B" frames.





     

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