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best H.264 compression out of FCP
Chris Borjis replied 15 years, 3 months ago 6 Members · 19 Replies
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Rafael Amador
May 3, 2011 at 5:44 pm[scott Patterson] “tried a 422 test, and sent the 422 clip through Compressor (and also QT pro) and still the graphics loo”
Are you setting “Frame Contol ON”, Best downscaling, Deinterlacing?
rafael -
Everest Mokaeff
May 3, 2011 at 6:11 pmThanks Rafael and David
One more question to get things really complicated. In my typical workflow I capture DV, edit natively, and output thru compressor to MPEG-2 for use in DVD Studio, skipping any QT exports. Would my video at the end of the day look any better if in fcp I changed compressor from DV to ProRes? I wanna make sure that we’re on the same page here: I do not export thru QT and then re-encode in Compressor. I send sequence to it. Does changing compressor type make any difference in this pipeline? Sorry if you answered this question thousand times before.Free-lance fcp editor in Moscow
http://www.mokaeff.com -
Scott Patterson
May 3, 2011 at 7:03 pmturned those on in compressor, saved as a new setting, and the 10 second test clip was taking 15 minutes to render. quit that.
As another test for the convert to ProRes workflow suggestion, I turned the pro res test clip into a flv in Media Encoder and compared to a regular DV test clip in the same settings in Encoder and the ProRes title quality was actually worse. So although I appreciate the advice, I don’t see going there.
My resolution is that in compressor, I changed the LAN setting to a lower data rate of 672, and saved as a new setting. it looks great. I’ll use this for client review cuts show, they’ll have a bigger frame than the 480×360 setting and the image looks better, without much increase in file size, so works for me
Still no clue why preset 480×360 straight outta fcp is abs fine, but when using same setting in Compressor or QT pro it’s ugly. Will remain a mystery it seems
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David Roth weiss
May 3, 2011 at 7:13 pm[scott Patterson] “I turned the pro res test clip into a flv in Media Encoder and compared to a regular DV test clip in the same settings in Encoder and the ProRes title quality was actually worse.”
You must be doing something wrong then. A title that gets hit by 8-bit DV compression in 4:1:1 color space can’t be better than the same title compressed with ProRes at 10-bits in 4:2:2 color space.
David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles
https://www.drwfilms.comPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Business & Marketing and Apple Final Cut Pro forums. Formerly host of the Apple Final Cut Basics, Indie Film & Documentary, and Film History & Appreciations forums.
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David Roth weiss
May 3, 2011 at 7:14 pm[scott Patterson] “tried a 422 test”
precisely what did you do in this case?
David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los Angeles
https://www.drwfilms.comPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Business & Marketing and Apple Final Cut Pro forums. Formerly host of the Apple Final Cut Basics, Indie Film & Documentary, and Film History & Appreciations forums.
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Scott Patterson
May 3, 2011 at 7:42 pmi duplicated the DV sequence. I changed the compression of the sequence to prores 422. I exported a 10 second clip. I opened the QT video to check and it was a pro res file.
I exported the same 10 seconds out of the dv sequence.
I dropped them both in Media encoder, same settings. Compared the outputs many times it was clear that the pro-res one was not as good. Artifacting around the titles. These titles were pretty big in frame.I just ran another test, however, with a different section where the titles are smaller. And the pro res is much better once turned to flv.
I think in the long run if going to final deliver as a flv, I will take this route to make sure titles are a bit better. Glad I ran another test. thanks
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