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Use QuickTime Pro to compress iMovie projects
Authored by: meyersde on Dec 28, '03 03:17:51PM

I can definitely verify this for Panther. I've compressed about 100 movies using the following compression schemes:

iMovie: Custom, 300x400, 15fps, Motion JPEG-A codec.
then
QTPro: MP4 Export, 300x400, 15fps

I get a 12GB movie usually down to 800MB with very little loss of video quality, apart from the fps, but the movies are still very watchable.



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Use QuickTime Pro to compress iMovie projects
Authored by: Tom Robinson on Dec 29, '03 02:30:17AM

I did an MPEG-4 export from iMovie, then opened the project's .mov file in QuickTime and did the export from there--the resulting files appear identical in quality and are almost identical in size (within a few bytes).

Cheers



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Use QuickTime Pro to compress iMovie projects
Authored by: schneb on Dec 29, '03 06:16:39PM

I believe the MPEG-4 side of things will result in the same size/quality. At the time, I was using Sorensen. However, some of the added benefits such as a safety backup, are worthy of exploration of the technique. But if you do not own QTPro, it's nice to have iMovie's ability to create a custom output with MPEG-4. It's all good.



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