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opacity change looks dark in Media Composer

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Per Scaffidi
opacity change looks dark in Media Composer
on Nov 26, 2016 at 7:50:50 pm

Hi all -- our graphic designer has put together rolling credits for our film in after effects. At frame top and bottom, she has the credits dissolve to 0 opacity. She outputs a quicktime animation with alpha. When I bring this into Media Composer (up to date version 8), it seems to be blending with black at the same time. In other words, the white text becomes a flat dark gray as it becomes transparent. Any ideas or advice?


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Roei Tzoref
Re: opacity change looks dark in Media Composer
on Nov 26, 2016 at 9:50:46 pm

[Per Scaffidi] "the white text becomes a flat dark gray as it becomes transparent. Any ideas or advice?"
Yes. ask for her to render this again and this time with straight alpha.


Roei Tzoref
After Effects Artist & Instructor
♫ Ae Blues Tutorials


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Dave LaRonde
Re: opacity change looks dark in Media Composer
on Nov 26, 2016 at 11:34:53 pm

Yeah, and tell her DO NOT include an audio track. If she must include one she must export a separate wav or aiff file. Avid makes you choose between a video file with audio or a video file with an alpha channel. It pretty much stinks, but that's the way it is.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Roei Tzoref
Re: opacity change looks dark in Media Composer
on Nov 27, 2016 at 10:59:28 am

Or The Avid editor can import twice and pick the audio next time.

Roei Tzoref
After Effects Artist & Instructor
♫ Ae Blues Tutorials


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Dave LaRonde
Re: opacity change looks dark in Media Composer
on Nov 27, 2016 at 4:49:03 pm

True, but Avid creates new media upon import. If I'm cutting & managing the media, I don't want to import a video file I won't use. I want to import an audio file I WILL use.

Dave LaRonde
Promotion Producer
KGAN (CBS) & KFXA (Fox) Cedar Rapids, IA


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Roei Tzoref
Re: opacity change looks dark in Media Composer
on Nov 28, 2016 at 12:51:48 am
Last Edited By Roei Tzoref on Nov 28, 2016 at 9:29:09 am

I see. that makes sense. I have seen Avid editors do this from time to time. let me ask you this: is this just for order's sake? or when importing just the audio from a video file, Avid will take more time to import the audio part of that video than just an audio file? or create a large media file again from that file even though it just uses the audio?

Roei Tzoref
After Effects Artist & Instructor
♫ Ae Blues Tutorials


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