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Movies and Video For people making movies and editing video with their Mac.

iMovie 09 import problems

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Member Since: Apr 27, 2008
Posts: 92
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Mac Specs: MBP 2.5 Intel Core 2 Duo, 2GB 667 MHz DDR2, 17" Hi-Res Display ; iPhone 3G 2.1

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I have a JVC HD Camera that takes video in a .tod format. I then use visual hub to convert them to an mpeg format (1440 x 810 MPEG2 Muxed). Once they are converted I am able to import the clips into iMovie by placing them in a .dmg and using the import from camera option in iMovie. After being imported into iMovie they end up in a .mov format (1440 x 1080 MPEG-2 SD Camcorder, Integer (Little Endian), Timecode).

Eveery once in a while i have some clips that crash iMovie during the import process, or others that import fine but lose the audio stream. I am able to play these files without any problem in QT Pro, and I have been able to export them from QT Pro using the Apple Intermidiate Codec (1440 x 1080) / Integer (Little Endian), and then import them into iMovie without any problems. However, after the conversion in QT Pro i end up with files approx. 3 times the size of the original file. This ends up being quite a disk space hog when dealing with orignal files around 3.5 GB that end up being around 11 GB after the conversion.

Is there a better export setting i could use in QT Pro, that will result in smaller file sizes without sacrificing much quality, and still be able to import into iMovie?

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Member Since: Feb 25, 2009
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If you want HD, no. HD on iMovie uses AIC - AIC is very cpu friendly in terms of processing power to be able to play and edit, but it requires a significant amount of space.

The only way to get the files smaller would be to use SD or to do the 960x540 route (if I recall correctly on the import options).

Look at it this way - if you were using FCP, you'd be using ProRes, which compared to compressed formats, it's between like 6 and 10 times the original file size.

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Mia Yuan

Member Since: Jul 15, 2009
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I think FCP only supports the HD Camcorders that are listed on it's website.. You probably need to uninstall perian (if you had )first because most of the cases FCP crashes because of incompatible with perian.
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Originally Posted by Mia Yuan View Post
I think FCP only supports the HD Camcorders that are listed on it's website.
Those are cameras Apple has tested. Others do work but are not on the list.

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