See “Getting to Know Offline Editing” for more on this topic.

Offline editing can also be a good option if you’re only delivering in HD. If you don’t have to deliver right away then you can edit offline. Offline editing refers to editing a proxy of the original source footage online editing is cutting the original material. What type of footage will you be editing: R3D, CinemaDNG, ProRes, XAVC S, mp4? How complex are your projects: single shot, single camera, multi-camera, animation, VFX? What are your output formats? How long do you have to deliver your edits? Finally, are you editing online or offline? Offline Editing, Nothing to Do With the Web To start editing 4K video, you’ll first need to ask yourself some questions about your projects. Determining your 4K editing needs, both now and in the near future may take some time, but it will ensure that you purchase an editing system than can handle all the projects you'll be working on, the type of footage you'll be editing and the length and complexity of the edits.

Best mac for 4k video editing