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50Hz Lighting in 1080i60 Video

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David Peralta
50Hz Lighting in 1080i60 Video
on Sep 25, 2009 at 9:15:47 pm

Hi All,

We are going through some edited pieces that we did in south africa and we acquired video via HV20 at 1080i60 and using a EX-1 @ 1080i60. and noticed that there seems to be some sort of flicker which I believe is coming from the light bulb @ 50 Hz.My Timeline is set at Pro Res - 1080i60 and the piece will be downconverted to SD for playout on our show. Is there a way to reduce the flickering? Filters? or do we just deal and move on?

Thanks for the advise

-dave

hmm... I wonder what this button does...


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Dave LaRonde
Re: 50Hz Lighting in 1080i60 Video
on Sep 25, 2009 at 9:36:53 pm

About a week ago, there was a thread from a guy who shot a wedding. A ceiling fan put a flicker into the overhead lights: very annoying. Somebody mentioned a plugin that could very well do the trick.

It might be work searching for it.

Dave LaRonde
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Arnie Schlissel
Re: 50Hz Lighting in 1080i60 Video
on Sep 25, 2009 at 9:42:50 pm

Furnace from The Foundry, or I think someone mentioned Sapphire.

Arnie

Post production is not an afterthought!
http://www.arniepix.com/


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Phil Balsdon
Re: 50Hz Lighting in 1080i60 Video
on Sep 25, 2009 at 10:46:38 pm

In hindsight (unfortunately) you can avoid this problem by shooting with a shutter speed of 1/100th second (or 1/50th if you can set it in the camera).

Cinematographer, Steadicam Operator, Final Cut Pro Post Production.
http://www.steadi-onfilms.com.au/


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Kristin Leys
Re: 50Hz Lighting in 1080i60 Video
on Sep 27, 2009 at 7:55:05 pm

I replied to the wedding video post suggesting GenArts Sapphire plugins.

I used the flicker filters to solve a similar issue with fluorescent lights on PAL SD footage.

The results weren't perfect. But with some effort I restored several 'critical' scenes.

This was for a documentary where reshooting wasn't an option.

You can try the demo version to see if the filters will work for you.


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David Peralta
Re: 50Hz Lighting in 1080i60 Video
on Sep 29, 2009 at 1:11:33 am

thanks all, will check it out

hmm... I wonder what this button does...


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