The DJI Phantom 4 shoots DCI 4K (4096 X 2160) video and UHD 4K (3480 X 2160) video compressed with MPEG-4 AVC/H.264 codec in MOV wrapper. Although Apple Aperture can handle 4K video with no problem, however, as for working H.264 codec in Aperture, you won't get a good result.
It is well know that H.264 is an outstanding distribution format, but it is not a good editing format. If you try to edit H.264 files in Aperture natively, you will start to lose image quality as you do color correction or composite gradients to create greenscreen keys. There just isn't a lot of room to work.
To solve these image quality issues, it would be much better to transcode H.264 to a a higher bit-rate format like Aperture's high performance and high quality editing codec ProRes, which render faster and have more room, so you can create great looking effects without losing any quality.
To produce ProRes codec from DJI Phatom 4 4K H.264, you can have a try at UFUWare HD Video Converter for Mac, which helps to directly wrap DJI Phantom 4 4K H.264 videos to Aperture best favorable editing format Apple ProRes in various different file types. You can choose proper ProRes format to output according to the following standards:
If you computer is old or slow, or you just want to do some rough editing, you can select to output "Apple ProRes (Proxy)(*.mov)" or "Apple ProRes (LT)(*.mov)"format to save more space and bandwidth. However, if your computer are powerful enough to handle multicam and high-resolution video and you are going to do many effects editing work with Aperture, you'd better choose to output "Apple ProRes 422(*.mov)"or "Apple ProRes 422(HQ)(*.mov)"for better performance.
Free Download DJI Phatom 4 to Aperture Converter:
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How to convert DJI Phantom 4 4K video to ProRes on Mac?
Step 1. Import DJI Phantom 4 4K videos
Install and launch UFUWare HD Video Converter for Mac as the best DJI Phantom 4 to Aperture Converter on your Mac. And click "Add File" button to load 4K H.264 video files from DJI Phantom 4 4K SD Card.
Step 2. Select ProRes MOV as outpurt format
Click "Profile" bar to get the drop-down list, and select "Final Cut Pro > Apple ProRes 422 (*.mov)" as output format for Aperture. Apple ProRes codec is best codec for Aperture/7/6 editing. You can also choose other ProRes format according to your need.
Tip: Select an item on the main interface to active the "Edit" menu, then click the pencil like icon to open "Video Editor" Window, you can play and preview the original video and output effects. Also you can flip video, trim, add special effect, reset, and adjust volume.
Step 3. Convert DJI Phantom 4 H.264 4K video to ProRes for Aperture
When settings all done, click "Convert" button to convert DJI Phantom 4 H.264 4K video to ProRes for Aperture on Mac.
When the DJI Phantom 4 4K video to ProRes conversion finished, click "Open Folder" button to get and transfer the generated ProRes .mov files to Apple Aperture 3.3/3.4/3.5/3.6 for smooth editing on Mac(Sierra, El Capitan, etc).
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