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rendered file size

Posted: Fri, 30th Jul 2010, 11:57pm

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sparky1167

Force: 400 | Joined: 26th Jul 2010 | Posts: 3

EffectsLab Pro User

Gold Member

Why is the rendered avi file so much smaller then the original clip? It seems that the quality of the rendered clip is not as good.
Posted: Sat, 31st Jul 2010, 12:57am

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

If you mean the pixel size is smaller, that's due to your project settings. If you mean the file size is smaller, that's down to your choice of codec. Either way would result in a loss of quality, so if you can give us a bit more specific information, we should be able to point you in the right direction.
Posted: Sat, 31st Jul 2010, 3:52pm

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sparky1167

Force: 400 | Joined: 26th Jul 2010 | Posts: 3

EffectsLab Pro User

Gold Member

I mean the file size is considerably smaller. Ex. Orig file 250 mg Rendered is 30 mg. The codec that is avaiable to me is cinepak by radius set at 100% quality. I do not see any other choices.
Posted: Sat, 31st Jul 2010, 7:42pm

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Axeman

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SuperUser

There are lots of other choices, available in the menu where Cinepak is listed. This knowledgebase article details how to change the codec.

Personally, I recommend against using the Cinepak codec, ever.
Posted: Sat, 31st Jul 2010, 10:42pm

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sparky1167

Force: 400 | Joined: 26th Jul 2010 | Posts: 3

EffectsLab Pro User

Gold Member

Thanks. Which do you recommend?
Posted: Sun, 1st Aug 2010, 4:34am

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

It really depends what you are doing with the footage, there isn't a single choice that is good for every occasion.

For general editing and to maintain superior quality, I usually go with Quicktime Animation, None (Uncompressed), or Quicktime ProRes. If you are using .avi format, I don't really know the options all that well, so can't be of much use recommending. Uncompressed .avi will still give you max quality, of course, with huge file sizes, not unlike uncompressed .mov.