Join Date: Oct 2011
Location: Sugarloaf, ME / Philly
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iMovie '11 question...
So I have been editing a short video on iMovie for a "skit night" at my grad school. I've been using my GoPro to get some wide angle shots, as well as some 60 and 120 fps shots on 720p.
I have the intro of the video linked up to some music, and have been using the high fps shots with some clip splitting to match up peoples movements to the music, by both speeding up and slowing down individual clips.
I've been having two problems:
1. Only in some clips, when I alter the speed in either direction, iMovie playback is super glitchy and stuttering. Almost like my 60 or 120 fps clip was reduced to 2 fps. I'm not slowing these down by much. Maximum 30% but usually around 50%. It is also happening on some sped up clips, which makes NO sense at all. It's like the computer can't handle the editing, but many of the clips work fine, not to mention it's a top tier Macbook Pro with a 2.3 GHz intel i7, 512 GB SSD, and 8 GB DDR3 RAM... so no issues in the hardware dept on my 3 minute long video. When I scroll over the clip with the mouse, it shows the whole clip fine, but if I actually hit the preview button to view the whole video or a section in the window or fullscreen with the music, some random parts (always the same parts) are glitchy.
2. When I finalize the video, the music track is not present, and the audio from the GoPro is played (even though I have it on 0 in the timeline). When I preview the video or certain clips, the music I want is there.
Any advice would be greatly appreciated!