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slight white flickering between some clips when film is shown with projector

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Jack Niedenthal
slight white flickering between some clips when film is shown with projector
on Oct 11, 2014 at 9:46:05 pm
Last Edited By Jack Niedenthal on Oct 11, 2014 at 10:16:05 pm

I did a film using FCPX 10.1.3 on an iMac using the latest Mavericks update. The film is 1920x1080 24 fps progressive.

When I view the outputted .mov file on my computer, whether viewing the H264 version or the ProRes422 version, the film looks fine. The same is true if I play the film from my timeline in FCPX.

When I show the film hooked up from my laptop computer (Macbook Air) to the BENQ SH915 projector using either the H264 or the ProRes422 version, or if I use a BluRay disc, however, there are certain scenes where when going from clip to clip I get a slight white "flicker" between the clips (there are no transitions, just hard cuts). Maybe others wouldn't notice, but I do, and not all clips do this...

Is this flicker caused by the projector (is there a setting I should be looking for) or is it caused by something on the FCPX timeline that should be done to the clips?

Would re-rendering the entire project help fix this (and how would I do this)?

Any other suggestions. Many thanks in advance.

Jack Niedenthal
Microwave Films of the Marshall Islands
http://www.microwavefilms.org
http://www.microwavefilms.org/Crickets.html
iMac i7 using Mavericks 10.9.x, HPX 170 using only one 64GB card
I live on an island in the middle of the Pacific, YOU are my only resource.


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Bret Williams
Re: slight white flickering between some clips when film is shown with projector
on Oct 12, 2014 at 1:18:43 am

Sounds like your projector can't keep up with the change in contrast. Are all your values broadcast safe or are your whites at a hearty 120ire? I've seen some monitors do wacky things when cutting bright stuff.


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Jack Niedenthal
Re: slight white flickering between some clips when film is shown with projector
on Oct 12, 2014 at 10:29:33 am

Actually, what it turned out to be was the econo mode setting on the projector. When I switched to the normal mode for projection it looked fine.

Jack Niedenthal
Microwave Films of the Marshall Islands
http://www.microwavefilms.org
http://www.microwavefilms.org/Jilel.html
iMac i7 using Mavericks 10.9.x, HPX 170 using only one 64GB card
I live on an island in the middle of the Pacific, YOU are my only resource.


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