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Imported WMV files blurred at some comp sizes

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Joshua OlsenImported WMV files blurred at some comp sizes
by on Dec 16, 2010 at 8:54:14 pm

Hi everybody,

I've got a problem with imported WMV files appearing soft at some comp sizes while the same video appears crisp at other comp sizes.

Here are some quick stats on what I'm using:
- After Effects CS4
- Windows XP Professional
- Apple QuickTime 7 Pro
- I work in the e-learning industry and use 'non-conventional' video frame sizes

And some quick stats on the WMV file giving me issues:
- is a screen capture of a web page being used
- CODEC: Windows Media Video 9 Screen (MSS2)
- resolution: 1016 x 705 px
- frame rate: 5 fps
- millions of colors

I'm targeting a resolution of 668 x 500 px for the final rendered file so I've set up an AE comp to those dimensions with square pixels and at 5 fps.

When I drag the imported WMV onto the comp's timeline there is a slight blur to the footage.

When I adjust the comp's resolution from 668 x 500 px to 1016 x 705 px that slight blur is gone!

I'm really struggling to understand what could be causing this blur as I must have the final videos rendered out to 668 x 500 px.

Any help or insight into this problem would be greatly appreciated.

Merry xmas,


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Dave LaRondeRe: Imported WMV files blurred at some comp sizes
by on Dec 16, 2010 at 9:43:47 pm

Recording in Windows Media is a VERY BAD choice for use in AE 9. A very bad choice indeed. Can you either re-record it or convert it to a different kind of file, like a lossless AVI?

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA

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Joshua OlsenRe: Imported WMV files blurred at some comp sizes
by on Dec 16, 2010 at 10:58:53 pm

Hi Dave,

Thanks for your response.

I'll give that a go and post back my findings for the community.

I'm very cautious about using anything Windows Media in general. Thanks for the lossless AVI idea.


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