Checking for CRC errors

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  • muteme
    Junior Member
    Junior Member
    • Jun 2004
    • 26

    Checking for CRC errors

    This might seem like a weird thing to ask, but...

    I have an NEC3500 DVD burner, and I've been working through my fit-to-burst hard drive making backups of video files (MPEGs and AVIs) For most discs, after burning I run them through DVDinfo Pro for CRC errors, and all but one have come through completely clean (the other had one single block that had an error, but on a retry scanned as healthy).

    But, me being a paranoid idiot, I worry that a disc might pass the test right after it's been burned, but by the time I actually go to use it it's somehow degraded. Like I say, this feels like a stupid question, but it's bugging me. I'm cautious about making backups if I'm not sure they'll last.

    So... if a DVD-R passes a CRC check right after being burned, does that mean that the disc is fine? I mean, no errors on the disc will somehow develop over the next few weeks/months? (I take care of the discs, so they're free from scratches and whatnot, and obviously I don't expect them to last for years)

    Oh yeah, I'm using Nero Burning Rom 6.3.0.2 in 'DVD-ROM (UDF/ISO)' mode. And currently I'm using Ridisc 4x DVD-Rs, with the Ritek G04 dye. Are there more reliable programs or discs to use, particularly with my burner?

    Any tips on ensuring that my backups stay usable? Or am I being too vigilant? Really, I'm just worried about burning all these discs and not finding they're coasters until I've long-since deleted the original files off my hard drive.

    Thanks
  • jmet
    Super Moderator
    • Nov 2002
    • 8697

    #2
    I think what your doing is perfect. If they show no errors in DVDINFOPro after you run a CRC error test on them. Then it I think it would be safe to say they will stay that way until they get damaged, handled inappropriately, etc.

    As far as your comment about then lasting for years, I think you would be quite surprised! I have backups that I made 1 1/2 to 2 years ago that still play great and I'm a movie buff, and watch my DVD's all the time. So they have a great amount of use and handling.

    More reliable programs or disc to use is a personal preference. Use whatever works for you. Ritek Ridata and Verbatim disc are suppose to be one of the best. I know I haven't made a coaster yet with either one of them. DVD Decrypter also burns DVD's, assuming they are in the right output file. (a ISO file)

    If you take care of the disc's like you say you do, I wouldn't worry at all about them staying usable.

    Comment

    • muteme
      Junior Member
      Junior Member
      • Jun 2004
      • 26

      #3
      Hey, thanks jmet I work so much on guesswork that it helps to put my mind at rest for someone else to tell me, "no, look, it's fine, relax."

      The Ritek discs I was using were a few months old, and I'm sure I bought them round about the same time I started hearing how the quality of Ritek discs had gone a bit funny (don't know if it was true, I didn't pay much attention to be honest). Anyway, I had a look round and bought some blanks that seem to be the most popular with my burner, so I guess there's not a lot that can go wrong if I keep checking the discs I burn...

      Comment

      • jmet
        Super Moderator
        • Nov 2002
        • 8697

        #4
        "Hey, thanks jmet "
        You're Very Welcome!

        Comment

        • blutach
          Not a god of digital video
          • Oct 2004
          • 24627

          #5
          Your disks, if properly cared for, being good quality media, should last longer than your player!

          Stash 'em well (I use sleeves instead of DVD cases or spindles (and in any event, NEVER a CD spindle)), and they will gives years of service.

          Regards
          Les

          Essential progs - [PgcEdit] [VobBlanker] [MenuShrink] [IfoEdit] [Muxman] [DVD Remake Pro] [DVD Rebuilder] [BeSweet] [Media Player Classic] [DVDSubEdit] [ImgBurn]

          Media and Burning - [Golden Rules of Burning] [Media quality] [Fix your DMA] [Update your Firmware] [What's my Media ID Code?] [How to test your disc]
          [What's bitsetting?] [Burn dual layer disks safely] [Why not to burn with Ner0] [Interpret Ner0's burn errors] [Got bad playback?] [Burner/Media compatibility]

          Cool Techniques - [2COOL's guides] [Clean your DVD] [Join a flipper] [Split into 2 DVDs] [Save heaps of Mb] [How to mock strip] [Cool Insert Clips]

          Real useful info - [FAQ INDEX] [Compression explained] [Logical Remapping of Enabled Streams] [DVD-Replica] [Fantastic info on DVDs]


          You should only use genuine Verbatim or Taiyo Yuden media. Many thanks to www.pcx.com.au for their supply and great service.

          Explore the sites and the programs - there's a gold mine of information in them

          Don't forget to play the Digital Digest Quiz!!! (Click here)

          Comment

          • jmet
            Super Moderator
            • Nov 2002
            • 8697

            #6
            I bought actual DVD cases off ebay. Then printed the inserts off of a <a href="http://www.cdcovers.cc/dvd_i.php">DVD cover</a> website.

            My backups looks like the original purchased DVD. While still keeping the original in their own cases I purchased them in.

            Comment

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