1. If using the Macbook Pro above, I will need to edit with Pro Res 422 proxies, which can be created through Premiere itself with the Adobe Media Encoder. Correct? This is correct. Prores 422 Proxy, H.264, DNxHD/HR and Cineform all have proxy levels that can be used. When setting up your project through INGEST settings or using the Media Browser in any project--you can turn on "Create Proxies". You would choose your Proxy preset and then tell Premiere where the Proxies should go. Whenever you import your media--the proxies will automatically be transcoded in the background using Media Encoder. It's a fairly painless process. 2. I'd prefer NOT to use proxies if possible to save me drive space and time on-lining, but with the amount of footage I have and in the event that I have to work from the Macbook Pro above would this be a terrible idea? What are the minimum specs I would need on a mac if I worked online? Based on your laptop features and your project--it would be very difficult for you to run this project. You can always run some tests--but everything would edit much faster and smoother if you used proxies. I am guessing by your spec you have a 2.3ghz i7 process. Would that be a quad core? That would definitely help. If its a dual core--it wouldn't work. I actually have edited using a 2.3 quadcore with an Nividia GTX980 and 4k edits very smoothly. My fear is that your video card memory is a little too low. I would recommend 16-32gigs Ram, a compatible video card with at leat 4+ gigs of Memory, SSD drives as your primary drives and at least a 4 core processor. 3. Considering I have 1920 x 1080 QT files along with the 4096 x 2190 MXF files, I believe I should be working in a 1920 x 1080 sequence so as not to lose quality enlarging the QT files. But in the scenario that I am able to work online, would this mean I would still have to work in a 1920 x 1080 sequence and resize all my MXF files to fit into a 1920 x 1080 frame? Will this cause major rendering issues when editing, considering the MXF files are 95% of the entire footage of the project? If you do all your color correction in Premiere--it would be easier when mixing various sizes of footage. Overall, I don't like mixing too many formats and will usually opt for transcoding everything to a single size and frame rate before I begin to edit. This way--I can be absolutely sure my project will be consistent. This of course could take a lot more time. You would create a new set of master media clips and then create proxies from those. FYI--Working in 1080P will produce the best results--though if your 1080p footage is fantastic and most of your media is 4K--I would online everything in 4K. You can always go down later. If most of the media is 1080p and you have a few 4k clips--I would online everything in 1080P.
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