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- Outputting a 4K sequence with scaled up shots vs. ...
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- Outputting a 4K sequence with scaled up shots vs. ...
New Here ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/td-p/9887453 May 24, 2018 May 24, 2018
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I have shot a short narrative film in 4K (24 fps, apple prores). I know I don't need to output it in 4K for most film festival venues.
I started editing it in a 4K sequence, but then found I wanted to scale up (blow up) a few shots here and there.
The question is: If i scale up, say, around 10 out of 80 clips in the sequence anywhere from 110% to 180% in a 4K sequence, then output it as 1920x1080p . . . will the scaled up shots be lower resolution (and potentially noticeable) than if I rebuilt the film in a 1920x1080 sequence, scaling down all the 4K shots by 50% and then scaled up the 10 or so I need blown up, then output as per the sequence setting of 1920x1080?
Thanks in advance for any replies to this little tech brain teaser!
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1 Correct answer
LEGEND , May 24, 2018 May 24, 2018
SAFEHARBOR11 • LEGEND , May 24, 2018 May 24, 2018
If you scale 4k clips in 4k sequence, you are losing quality, regardless of resolution you export at.
If final delivery is to be HD, then edit 4k clips in 1080p sequence and you can do a lot of scaling with no loss then.
Thanks
Jeff Pulera
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LEGEND ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887454#M153868 May 24, 2018 May 24, 2018
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If you scale 4k clips in 4k sequence, you are losing quality, regardless of resolution you export at.
If final delivery is to be HD, then edit 4k clips in 1080p sequence and you can do a lot of scaling with no loss then.
Thanks
Jeff Pulera
Safe Harbor
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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
LEGEND ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887455#M153869 May 24, 2018 May 24, 2018
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Scaling up beyond 100% will reduce visible quality. Scaling back down during export will not bring it back.
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Community Expert ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887456#M153870 May 24, 2018 May 24, 2018
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If you decide to go the route of up-converting your 1920x1080 footage to 3840x2160, use either After Effect's Detail-preserving Upscale effect (easy enough to do if you have the Creative Cloud subscription that includes everything) or Red Giant Instant 4K ($99 plug-in for Premiere Pro and After Effects with a free trial: Buy Red Giant Instant 4K | Download the free trial ). I'd test each option. I've found that Instant 4K almost always looks just a little better than Detail-reserving Upscale.
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LEGEND ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887457#M153871 May 25, 2018 May 25, 2018
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All footage is 4K, no 1080p sources involved
Thanks
Jeff
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Community Expert ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887458#M153872 May 25, 2018 May 25, 2018
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Oh... yeah... it's 4k source being scaled up inside of 4k. Got it!
Same thing applies: Use "Detail-preserving Upscale" in After Effects.
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Explorer ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887460#M153874 May 26, 2018 May 26, 2018
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The plugin INSTANT 4K of Red Giant is very good, i work with it in HEVC and the final product is very sadfactory.
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Mark von Schlemmer AUTHOR
New Here ,
/t5/premiere-pro-discussions/outputting-a-4k-sequence-with-scaled-up-shots-vs-a-1920-sequence/m-p/9887459#M153873 May 25, 2018 May 25, 2018
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Great answers everyone thanks. That is what I figured, but hoped maybe there was some preservation of the 4K details if shrunk and then returned. Thanks everyone!
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