Pixelation in Final Export through Premiere

[Christian Rousseau]

Fellow Red Users,
I've racked my brain trying to figure this one out. Upon exporting a final video there is one shot that continually exports pixelated/blocky. Here are the facts:

-Shot at 4k 23.976 [on Scarlet]
-Edited in Adobe Premiere
-Color Corrected in REDCINE-X
-All Firmware & Software most recent versions
-Final Export 1920x1080 .Mov using H.264

I tried re-rendering everything re-exporting using maximum quality & have looked over the raw R3Ds endlessly thinking it was a data corruption thing -- to no avail. The raw looks fine.

The said pixelated moment can be seen here: http://www.youtube.com/watch?v=PQ_nUW42G4g -- it happens at :28-:31. This is not a Youtube quality thing either it is on the .MOV itself.

If there is any additional info I can provide to further the investigation please ask -- want to get to the bottom of this to assure there's not a data corruption problem and if just a mindless mistake overlooked due to late night editing & caffeine overdose would like to avoid it in the future.

--

Christian Rousseau
SanAustinProductions.Com
Vimeo: http://vimeo.com/sanaustinproductions
Twitter: @San_Austin
Facebook: http://www.facebook.com/SanAustinProductions

 

[Tom Greenberg]

Try selecting 2-pass VBR and/or upping the maximum bitrate in the bitrate section of Premiere's export window. H.264 is quite compressed...great for delivering a decent-looking video in a low-bandwidth online situation, but not necessarily the best codec for final output of your program, unless you are willing to experiment a little...

 

[Igor Ryabchuk]

In my experience I found that Premiere's / Media Encoder's H264 encoding is far from perfect, especially when it comes to finding where to place key frames - even with 2-passes it fails to do it properly. I usually export everything to Prores and then encode with Squeeze (X264) - much better results IMHO.

 

[Christian Rousseau]

Thanks guys! A combo of both yalls comments helped tremendously -- and makes total sense. Long time RED shooter, but only recently started editing R3D, so yalls assistance with my DUH moment is much appreciated.

Thanks again!