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I’m losing quality from AE to FCP!
Posted by Darren Gardner on October 13, 2006 at 10:37 pmHow do I mantain image quality when exporting footage from After Effects to Final Cut Pro?
Here’s a little background:
I’m dealing with an actor that was shot in front of a green screen on DV25. The footage was captured in Final Cut Pro and imported into After Effects. I made sure that the ‘make self-contained movie’ box was left unchecked in FCP so that I wouldn’t suffer any loss from further compression. I’ve successfully keyed the footage and moved it slightly to make room for an accompanying graphic. Yet when I export the footage back into Final Cut Pro, the image is noticeably soft! What am I doing wrong!
Thanks for your help ahead of time!
(P.S. I also posted this in the After Effects forum)
Walter Biscardi replied 19 years, 9 months ago 7 Members · 25 Replies -
25 Replies
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Walter Biscardi
October 13, 2006 at 10:39 pm[Darren5102] “I’m dealing with an actor that was shot in front of a green screen on DV25.”
There’s the first problem. DV25 always yield a soft key here.
[Darren5102] “Yet when I export the footage back into Final Cut Pro, the image is noticeably soft! What am I doing wrong!”
Are you rendering in the same DV25 codec or are you doing Lossless? Be sure to render in DV25. If you do lossless, the re-compression in FCP will soften the image.
Walter Biscardi, Jr.
https://www.biscardicreative.com
HD Editorial & Animation for Food Network’s “Good Eats”
HD Editorial for “Assignment Earth”“I reject your reality and substitute my own!” – Adam Savage, Mythbusters
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Jeremy Garchow
October 14, 2006 at 12:49 amYou said you moved the footage in AE, right? make sure if you have moved the y axis that the video sits on even scan line. For instance, if the position of you movie is 340,242.5 (in AE) change it so that it is 340,242. This will ensure proper field order when rendering out your movie.
Jeremy
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Walter Biscardi
October 14, 2006 at 1:25 am[JeremyG] “You said you moved the footage in AE, right? make sure if you have moved the y axis that the video sits on even scan line. For instance, if the position of you movie is 340,242.5 (in AE) change it so that it is 340,242. This will ensure proper field order when rendering out your movie.”
Excellent point. Any movement off the y axis that results in the video sitting on an odd scan line will noticeably soften the image, especially DV footage. This is even true when moving video in FCP, you always want to stay on an even scan line in NTSC.
Walter Biscardi, Jr.
https://www.biscardicreative.com
HD Editorial & Animation for Food Network’s “Good Eats”
HD Editorial for “Assignment Earth”“I reject your reality and substitute my own!” – Adam Savage, Mythbusters
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Bret Williams
October 14, 2006 at 1:35 amTrue in FCP because it’s sub pixel rendering pretty much sucks. I’ve never even thought about it in AE and I’ve never noticed soft footage.
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Jeremy Garchow
October 14, 2006 at 2:10 am[Bret Williams] “I’ve never even thought about it in AE and I’ve never noticed soft footage.”
It happens.
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Chris Poisson
October 14, 2006 at 2:17 pmI’m with Bret on the AE thing. It may happen, but it’s never happened to me.
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Jeremy Garchow
October 14, 2006 at 3:42 pmI know, I know, but it happens, especially with keying. AE handles this problem much better than FCP, but I’m telling you it happens.
Jeremy
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Joseph Wilkins
October 14, 2006 at 4:13 pmTo to address an issue brought up earlier – I should always render out of FCP with the “make movie self contained” unchecked (why?) and I should bring that ‘dependent’ quicktime movie into AE, do my stuff in AE – making sure if there is any vertical movement of the footage – make sure it is a whole pixel at a time and then export that out of AE using the same codec the footage was originally captured in? (why?)
Can someone please check my math here and let me know if I understand all this correctly.
Thanks a million!
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Jeremy Garchow
October 14, 2006 at 5:22 pm[joseph wilkins] “I should always render out of FCP with the “make movie self contained” unchecked (why?)”
This way you simply create a reference file that references the original media that you have already captured. This will save on disk space and another round of compression. No reason to make more media than you have to.
[joseph wilkins] “and then export that out of AE using the same codec the footage was originally captured in? (why?)”
For the most part you do this so that the movie you are bringing in plays directly in the timeline you are editing in FCP, but there are times when you need to export a movie with an alpha channel and you can only do that with a lossless + alpha movie.
Jeremy
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Annaël Beauchemin
October 15, 2006 at 1:11 amIn AE, select your movie file and hit command-F. This will open the Footage interpretation window. Is the Separate Fields set to lower? If so, AE deinterlace your footage and you get half the resolution.
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