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  1. #1

    Member Since
    Sep 14, 2009
    quality loss from iMovie '06...
    I have recently gotten into video editing like a lot of people who ask questions on this board, and I am having a slight problem with quality loss when I export my iMovie project to iDVD. The project is about an hour long and the DV file is about 20 gig. It looks great in iMovie but when it is transfered to iDVD (TAKES FOREVER) it takes a big hit in quality. Could this be because it has to cram over 20 gig into less than 5? or could it be the file format iDVD converts it to or what? Any help would be great on the compression or anything else that could help me keep the quality at a DVD grade. If I need to use ffmpegx to compress to different format, I could do that too. Thanks for any help.

  2. #2

    rman's Avatar
    Member Since
    Dec 24, 2002
    Los Angeles, California
    2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi
    iDVD - under the Preference => project tab

    what is you encoding set to Professional Quality / High Quality / Best Performance ?
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  3. #3

    Member Since
    Sep 14, 2009
    Actually it was set to best performance, it had me set it to that because it was too long and wouldnt fit the dvd I think.

  4. #4

    Member Since
    Sep 14, 2009
    I guess Professional Quality would be the way to go huh? Is iDVD capable of burning to dual layer or is it impossible to encode to Professional with a long video?

  5. #5

    xstep's Avatar
    Member Since
    Jun 25, 2005
    On the road
    2011 MBP, i7, 16GB RAM, MBP 2.16Ghz Core Duo, 2GB ram, Dual 867Mhz MDD, 1.75GB ram, ATI 9800 Pro vid
    How are you transferring your edited video to iDVD?

    If your drive can burn a dual layer DVD, then iDVD can take advantage of that. Open "System Profiler" in the Utilities folder. Under the Hardware section, click on "Disk Burning" and look at "DVD-Write". If you can burn dual layer it will have DL somewhere in that line, if I recall right.

    In the "Project Info" window of iDVD there is a "DVD Type" choice. If it is grayed out, you probably don't have a DL drive.

    BTW, I figure a 20GB DV file to be about an hour & a half of video.
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