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Compressor 3.5 black letterbox not black but grey

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Dan Monro
Compressor 3.5 black letterbox not black but grey
on Sep 11, 2009 at 3:17:02 pm

Hey folks,

Thought I saw this in the flurry of FCS3 posts, but if I did I deleted it...

Using compressor (v3.5) to downconvert HD proes422 HQ 23.98 to SD MPEG IMX 525/60 letterboxed. (IMX is the codec my editors need to save render time.) I have the LB color set to 0,0,0 rgb.

Open in FC 7 and the letterbox area appears gamma shifted up, about 20 units. Thought it might relate to the new gamma 2.20, but I can't change the gamma setting in FCP with this codec, and I can't find a gamma setting preference in Compressor. I tried Prores 422 and got the same results.

Anyone deal with this? I can have them re-letterbox, but I'd like to solve the issue if I can.

And again, if I missed this and am reposting, I apologize. I'll keep looking.

Thanks,
D

Work system: FCS3, OSX 10.5.8 QT 7.6.2


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Rafael Amador
Re: Compressor 3.5 black letterbox not black but grey
on Sep 11, 2009 at 3:24:00 pm

[Dan Monro] "and I can't find a gamma setting preference in Compressor."
Compressor have an Gamma filter.
Use the preview window to adjust it.
rafael



http://www.nagavideo.com


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Dan Monro
Re: Compressor 3.5 black letterbox not black but grey
on Sep 11, 2009 at 4:33:51 pm

Thanks Rafael, but if you're talking about the gamma Correction in the filters tab, that affects the video itself. The video looks great - correct - in FCP. It's just the letterbox black level thats too high. Its almost as if I went in and changed the color of the letterbox to a 20% grey...

Dan Monro
FCP, Avid, AfterFX, Atlanta
MacBook Pro 2.4 GHz Intel Core 2 Duo 2 GB ram
Mac OS X 10.5.7
GeForce 8600M GT Final Cut Pro 6.0.5 Quicktime 7.6



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Chris Borjis
Re: Compressor 3.5 black letterbox not black but grey
on Sep 11, 2009 at 4:50:49 pm


I wish it would not do that.

oddly I've seen it do that to a batch of clips but not all of them
even though they were all anamorphic. some got proper black bars.



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