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After Effects gradients banding + Youtube

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Nik Skavinsky
After Effects gradients banding + Youtube
on Mar 10, 2013 at 6:34:27 am

Hi.
I'm making my gradients smooth and clean in AE by modifying Ramp scatter, then I render them in QT animation compression (I've tried everything - from tiff sequence to lagarith), then send to Adobe Media Encoder to compress to h264. As a result - really smooth looking gradients, independently of bit depth (I work in 8bit), and grain - never add it.

Then a problem comes. I upload the vid to youtube and it destroys everything - check for yourself, in fullscreen 1080p





with grain





Strange thing with Vimeo - it seem to increase banding with scatter
https://vimeo.com/61448083
https://vimeo.com/61448084

Archive with initial files: https://www.dropbox.com/s/ssw5tg42kwg48vl/scatters.zip

Working in 16/32 bits doesn't help - it's youtube that introduces banding. How should I prepare my files for youtube upload?


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Vishesh Arora
Re: After Effects gradients banding + Youtube
on Mar 10, 2013 at 9:11:39 am

There is a preset for YouTube HD and SD videos under Web section. Have you tried them?

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

2011 3D Demo Reel:








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Nik Skavinsky
Re: After Effects gradients banding + Youtube
on Mar 10, 2013 at 9:18:39 am

Those presets are just sets of parameters for h264, no "youtube magic". I'm using something similar to Youtube HD but with higher bitrates.


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Todd Kopriva
Re: After Effects gradients banding + Youtube
on Mar 12, 2013 at 8:42:23 pm

Since the problem is happening only on the YouTube side, you may simply need to avoid gradual gradients when creating content primarily for YouTube. There's not a lot that I can help you with on our end if things are looking fine all the way through our pipeline.

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Todd Kopriva, Adobe Systems Incorporated
After Effects quality engineering
After Effects team blog
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