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The most insane Experience I have ever had with Final Cut Pro X = Stutter if you dont hoover skimmer over Clip when playing back...

843 Views 14 Replies Latest reply: Jul 17, 2012 7:03 AM by Stephen Fuchs RSS
Studio Engineer Level 2 Level 2 (445 points)
Currently Being Moderated
Feb 27, 2012 4:57 PM



Forums and blogs are overflowing with folks having stutter-Problems with FCPx. I am one of them.


1 reason for stutter is if you have not recorded sound with the video file. FCP will stutter if the clip is played back with no audio in the timeline.


2 - This is the most conniving feature/bug I have ever experience in any software.


I have a very fast Mac with a RAID0 capable of of R/W of 490MB/s - I dont have any problems playing back anything from an H.264 to a DPX Image Sequence. 32 GB of RAM and NVIDIA qualified Card.


Today again, I am experiencing random stutter when playing back the timeline (even though it has audio).

It doesn't matter whether I set the playback preferences to better performance or higher quality. Same problem.

FCPx wont even report the frame drops although I have that option enabled.


Here is how to rid yourself of stutter, that does NOT pertain to your mac being under-powered.


Simply Place your skimmer (Mouse Cursor) on/over any clip before hitting play. Let it sit there until your are done viewing.

If you move it (while it is there) you are likely to get frame drops.


If you place the skimmer ANYWHERE (in the gray parts of timline) where there is no clip, FCPx is NOT able to playback smoothly.

And will stutter. At least on my 3 setups.



This IMO is insane.


Nevertheless, this is a sure workaround with my setup.


30 Inch Cinema Display

Mac Pro 2.26 8 Core Nehalem

32 GB RAM - RAID0 (4 Drives)

I work with FullHD/48khz Stereo/Canon .MOV Files.



If anyone has ANY idea why this happens - please let me know


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