Transcode and downres 4K to 1080

Some questions here about working with 4K. I almost feel I should know the answers myself but I’ve not yet found clear guidance – any input gratefully received.
I work entirely in 1080 timelines, on FCP7.
Increasingly, there’s footage available now in 2.7 and 4K, from cameras like the GoPro4, and I’ve been making various test shoots.
My workflow has been to transcode the GoPro h264 to ProRes, and at the same time downres to 1080.
Here’s where the problem arises. After the transcode/downres, what looked like very clean and crisp footage in its native form has developed an unnacceptable amount of noise.
I’ve tried the conversion via both Compressor and Streamclip, and the effect is just the same.
Is this something to do with ‘squeezing’ 4K of data down into a smaller frame – or is there some other mistake I’m making?
My other question is to do with getting the best out of the 4K – even putting this transcode issue to one side.
I can really see the potential of cropping into the 4K frame and resizing – but how do I do that given that I’m working in a 1080 environment – therefore the 4K material is going to render down in any case. Is this an issue with still working in FCP7, that FCPX is supposed to get over?
FCP7 7.0.3 MacPro 10.9.5 2x2.66 /6core/ 12G RAM Blackmagic Decklink HD Extreme2

I use the 2.7k material from a GoPro all the time edited into 720p forms and don't see deterioration - other than there are simply fewer pixels to describe the scene.
My work flow is to copy the files off the card to a folder on my edit hard drive, open GoPro Studio, bring in the material, apply the ProTune preset (I usually shoot raw) then export as ProRes.
Once in FCP, make sure you have turned off "automatically resize to fit current settings". If you haven't done this, you can still open up the clip that has been resized and, in the Motion Tab of the viewer, change the scale back to 100%. This will allow you to move the image around and use whatever portion you choose.
Best,
x

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Austin Samuel wrote:
Hello,
I am trying to free up some disc space and am curious what is the best way to delete transcoded and proxy media in fcpx? I know I can open up a library bundle and delete the folder, but is this safe? There must be a better option...
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hi,
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mtbrider,
mtbrider wrote:
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I am a Final Cut Studio editor, very familiar with Compressor and DVD Studio Pro however I am brand new to Encore and am having a few frustrating issues with CS5. I am working on a blu-ray disc project (this is my first experience with Encore). Here are my issues:
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barizzo wrote:
function(){return A.apply(null,[this].concat($A(arguments)))}
I believe you are right about 720p30 not being legal for blu-ray. I was able to get around this by encoding with 59.94 fps. However I think you are mistaken about h.264. Blu-ray is not limited to just mpeg-2. H.264 is absolutely supported by blu-ray, it was officially adopted into the blu-ray spec about a year after blu-ray was introduced to the mainstream. Only some very early blu-ray players may have trouble playing back h.264 encoded discs. I am NOT talking about AVCHD BD5/9 discs either. I mean BD25 and BD50. If you look in CS5, you will see options to transcode non-compliant video to H.264.
Hi Barizzo,
I never said blu-ray not supports h.264. I know I can author a h264 Blu-ray using Encore. But what I meant was that the Adobe workflow document only describes how to create legal mpeg-2 BD assets using Compressor, NOT h.264.
Btw, It's glad to know that you are successfully completed your project.
Is it really possible to generate legal h264 BD assets using compressor, i didn't know that. I was assuming that Compressor can create h.264 streams but not legal BD h.264 stream.. It would be great if you could share the steps.

Transcode and downres 4K to 1080

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