Jitter/Stutter when panning w/ BMPCC
Hello all,
I'm fairly new to BMD gear.....when shooting in raw there is a jitter or stutter like effect going on but clears up after the pan. I also did the same pan shot in pro res and it played smoothly..no stutter...I am editing with fcp7 on a 2006 Mac Pro and it does the same thing on my 2009 Mac Book Pro.... I read in another forum that it could be how the video was encoded which is pro res hq or the fact that my computers need to be upgraded. |
Re: Jitter/Stutter when panning w/ BMPCC
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Re: Jitter/Stutter when panning w/ BMPCC
But Reggie said it's doesn't stutter when he shoots in prores so my guess is something is wrong with how he converts the raw footage.
What is your workflow in dealing with the raw footage? |
Re: Jitter/Stutter when panning w/ BMPCC
Noa,
I'm using After Effects CS6 to convert the raw clips to prores HQ. |
Re: Jitter/Stutter when panning w/ BMPCC
Heres an example I found of what I'm experiencing.
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Re: Jitter/Stutter when panning w/ BMPCC
Try to follow following tutorial from Mattias, see if that makes any difference: (not sure if it autostarts the right moment but if not, you need to start watching from 06:10)
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Re: Jitter/Stutter when panning w/ BMPCC
Michael,
And I am about to buy the iMac 5k and was thinking it would clear up....I assumed going with the best 4g video card would alleviate the problem. But I guess the processor struggles to handle Raw data correctly. |
Re: Jitter/Stutter when panning w/ BMPCC
I think the pan is a bit too speedy over and above the dropped frame issue. Kept wanting to grab it and slow it down by about 50%. Just my opinion.
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Just a thought.............you HAVE turned OFF OIS on the camera before doing these pans, haven't you?
If you haven't, your chasing ghosts. CS |
Re: Jitter/Stutter when panning w/ BMPCC
I agree with Chris and Jim. That looks like image stabilization trying to keep stabilize the image and/or to fast a pan.
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Re: Jitter/Stutter when panning w/ BMPCC
It's not certain he used a stabilized lens, furthermore he said that in pro res it played smoothly so it can't be a stabilization problem.
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Re: Jitter/Stutter when panning w/ BMPCC
Agreed. It's something in the process of the raw conversion and playback rendering. Can't point out the bottleneck exactly as I have had no experience using AE and only rarely worked with raw files. Maybe the limitation of his CPU or hard drive's throughput.
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Re: Jitter/Stutter when panning w/ BMPCC
Yes, that is another consideration that I've been looking into. I have discovered something that does seem to smooth out the problem. Shoot in 60P!
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I certainly agree with you here. I think its something in After Effects and the rendering process. Oh, and I didnt have OIS on. |
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