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Why does a disc rip accurately in one drive and fail in another?

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  • ferrarabrainpan
    dBpoweramp Supporter
    • Jul 2018
    • 83

    #1

    Why does a disc rip accurately in one drive and fail in another?

    I got a new Windows 11 desktop and set up CD Ripper for secure and accurate rips by determining the drive offset and copying all my settings from the old PC. FWIW, the drives are the same make and model, HL-DT-DT DVDR+/-RW GU90N, which is one of the drives marked [Purged] in the AccurateRip drive database. Anyway, I got this new CD and went to rip it on the new machine, made two attempts, both times two of thirteen tracks were flagged as insecure although they passed the AR test. Log shows for rip #1:

    Track 11: Ripped LBA 215096 to 235273 (4:29) in 1:02. Filename: C:\Users\Ferrara\Desktop\Dean & Britta\13 Most Beautiful... Songs For Andy Warhol's Screen Tests\1-11 Knives From Bavaria (Spoonful Of Fun).aif
    Insecure [Pass 1, Ultra 1 to 2, Re-Rip 784 Frames]
    Insecure [Pass 1, Ultra 1 to 2, Re-Rip 784 Frames]
    ** Aborted: Have to ReRip 784 Frames, Re-Rip Limit Set to 100 Frames

    Track 13: Ripped LBA 252663 to 272536 (4:24) in 0:38. Filename: C:\Users\Ferrara\Desktop\Dean & Britta\13 Most Beautiful... Songs For Andy Warhol's Screen Tests\1-13 Ann Buchanan Theme.aif
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 156 Frames]
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 156 Frames]
    ** Aborted: Have to ReRip 156 Frames, Re-Rip Limit Set to 100 Frames

    and same CD, second attempt rip #2:

    Track 11: Ripped LBA 215096 to 235273 (4:29) in 0:39. Filename: C:\Users\Ferrara\Desktop\Dean & Britta\13 Most Beautiful... Songs For Andy Warhol's Screen Tests - Disc 1\1-11 Knives From Bavaria (Spoonful Of Fun).aif
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 167 Frames]
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 167 Frames]
    ** Aborted: Have to ReRip 167 Frames, Re-Rip Limit Set to 100 Frames

    Track 13: Ripped LBA 252663 to 272536 (4:24) in 0:38. Filename: C:\Users\Ferrara\Desktop\Dean & Britta\13 Most Beautiful... Songs For Andy Warhol's Screen Tests - Disc 1\1-13 Ann Buchanan Theme.aif
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 137 Frames]
    Insecure [Pass 1, Ultra 1 to 1, Re-Rip 137 Frames]
    ** Aborted: Have to ReRip 137 Frames, Re-Rip Limit Set to 100 Frames

    So I took the disc and tried ripping it in the old computer, same make and model CD drive, same settings on CD ripper, and it succeeded the first try, ripped all 13 tracks with no reported errors.

    What might this tell me about my new drive in particular, or about drives in general, i.e. why will a CD rip without errors on one drive and fail on a different drive, with all the same secure settings?

    And what would one of you experienced rippers do in this situation? Change the settings? Just use the old drive since it is more forgiving of disc errors? Any other troubleshooting or diagnostics?

    I've been using dBpoweramp CD Ripper for 8 years to rip secure and accurate files from CDs, but there is still a lot I don't know or understand. Thanks for any light you can shed on my concerns.

    EDIT: it does seem odd to me that the old drive which has had a lot of wear and tear ripping thousands of CDs for the past 8 years gives me secure rip results without errors whereas the same model drive but brand new shows errors... though maybe this means the errors are there but the old drive fails to notice them. Yes, I am OCD about these matters, but anyway... and FWIW both these drives passed the CD ripper setup test showing they support C2 error pointers, so I leave that box checked.
    Last edited by ferrarabrainpan; Today, 12:37 AM.
  • ferrarabrainpan
    dBpoweramp Supporter
    • Jul 2018
    • 83

    #2
    It may be worth noting that for the successful secure rip with no errors on the old computer, the drive did audibly pause and slow down when it came to ripping the problem tracks #11 and #13... so there is something fishy about the pressing for sure...

    Comment

    • ferrarabrainpan
      dBpoweramp Supporter
      • Jul 2018
      • 83

      #3
      A third attempt to rip the same CD on the new computer passed one of the two bad tracks as secure because this time the number of bad frames was under the secure limit of 100 frames, but the other track was over the limit so was marked insecure.

      I looked at the log for the secure rip on the old drive (I ripped it twice and it succeeded both times) and there were zero bad frames found for either of those two tracks.

      Comment

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