Now I want to export it out of this library and later import it to another new library.Īpple hid export function under the Share Button. After importing it to iMovie it became 255 MB. Try 720 instead of 1080 resolution for example. If the latter, then your recourse is to use the methods that I described in my earlier post, and adjust the export settings to more highly compress the file. That's a good thing unless file size is critical. Hence, bigger file size and likely better quality. After unpacking, iMovie may export it out at a lower compression rate than the original clip. Highly compressed video is not optimum for editing. iMovie unpacks video clips that are imported into it so that they can be edited. Zoom's compression rate suits its purposes for displaying over the internet, but may not be suitable for your purposes when expanded out for video editing. Each software compresses to suit its purposes. So it's really not an issue of "fixing this problem". Zoom may have a necessity for highly compressing its videos., or its video file size would have been way larger to start with. Zoom's 164MB file size for a one hour video is very highly compressed. That's just the way the software algorithm works. You likely are exporting a far less compressed file than you originally imported. Possibly that's the problem.I'll repeat what I said earlier. If that's your situation, try sharing your movie to your desktop and from there dragging it into You Tube's upload window.Īnother thing is that iMovie support export of 4k 30fps, and 1080 60fps, but not 4k 60fps. You already tried deleting preferences as I described earlier in this thread, but try doing that again as sometimes the second time works.Īlso, if you are exporting directly to You Tube, there have been some issues doing that with Catalina. Try booting up in Safe Mode and, after everything loads, immediately reboot in normal mode. You need to do some trouble shooting to find out why iMovie keeps corrupting. So, you would not be using up any more space. After the redownload successfully completes, you empty the trash of you old iMovie app. However, the way to reinstall is to first put your present iMovie app in the trash, but don't empty the trash. There might be a way to back up or download the iMovie DMG, but I have never had occasion to try that, so can't be of any guidance there. The user makes those choices by choosing the export settings. It is the compression, frame rate, resolution, and bitrate that determines file size. Now see if your exports are being exported at the proper settings. Reopen your old library to get back to your projects. If you still feel that iMovie is randomly changing your export settings, try opening iMovie while holding down the Option and Command keys and selecting to delete preferences in the box that appears. Pro res has a much higher bitrate and thus larger file size and better quality. mov file that is the most uncompressed and 4x or more the file size of the Mp4 format that you get with all export settings other than Best Quality (pro res) that is the best quality. When you export at Best Quality (pro res) you will get a. That makes the file size bigger in most cases. IMovie unpacks for editing videos that are imported into it. Aside from the difference between the estimated file size and the exported file size, did you visually note any difference in quality? If so, instead of the Better Quality custom setting, export at Best Quality (pro res).
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