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Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with

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Jeremy Ball
Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 19, 2011 at 10:45:41 pm

Unfortunatly, I am woking on a documentary that was mostly shot before I started working on the project. We are just starting to transcode the media and I find that the footage was shot in 23.976, 29.97, 59.94. I want to conform everything to the same frame rate for output to Davinci Resolve later.

Is there a frame rate like 59.94 that I should convert all the footage too before importing into FC? Would there be any problems with 59.94 coming from 23.976 and 29.97?

Thanks



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Shane Ross
Re: Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 19, 2011 at 11:02:30 pm

The question to ask is...what frame rate/format are you required to deliver? That is what you need to conform to.

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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Jeremy Ball
Re: Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 19, 2011 at 11:52:48 pm

Final deliverable is 1080 59.94. We are out putting to tape through a Kona 3 card so even if we edit at 23.976 we will be fine for delivery. I am concern with stuttering when converting from 23.976 or 29.97 to 59.94. Should I be concerned?

I had heard that 59.94 might be the lesser of all the evils since 29.97 will directly translate to 59.94 and the same with 23.976. Is that true? Or will there always be problems converting between 23.976 and 29.97?



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Shane Ross
Re: Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 20, 2011 at 12:02:27 am

OK, first off, 1080i 59.94 is 29.97fps. There is no 1080p 59.94 format that goes to tape. Thus far that is only a tapeless format. 720p 59.94 is 60fps...but you are talking 1080i 59.94...so you are outputting to 29.97. So yes, 29.97 translates to 29.97 very well.

So now you have to choose between 23.98 and 29.97. What are you shooting most of? Do you want the film look? What you will have to do is convert, before you edit...one frame rate to the other. Adding pulldown to 23.98 to make it 29.97 is easier than going 29.97 to 23.98, then outputting 29.97. But, if you want the film look...then you need to convert the 29.97 to 23.98.

But, for ease of workflow...23.98 to 29.97 is the better route to go.

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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Jeremy Ball
Re: Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 20, 2011 at 12:20:19 am

I would like to keep the filmic look but is there a way to conform the footage from 29.97 to 23.976 perfectly. I have read many places that there is not a perfect answer for this. Maybe someone has a recipe for Compressor or Squeeze that works well.

I guess my next question would be, is there a way to add 3:2 pulldown to 23.976 footage that looks fluid with no stuttering or ghosting. I have not had any luck using After Effects or Compressor and not had some problems somewhere in the transcoded footage.



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Shane Ross
Re: Mixed timeline 23.976, 29.97, 59.94; Best frame rate to edit with
on Sep 20, 2011 at 12:47:38 am

[Jeremy Ball] " is there a way to add 3:2 pulldown to 23.976 footage that looks fluid with no stuttering or ghosting."

Fluid? This is 24fps footage...it won't look like fluid 30fps footage unless you use software that interpolates the in-between frames VERY well...like Twixtor. You can make the 23.98 footage 29.97 and still look 24fps, and look decent. But not fluid and smooth, without SERIOUS render times.

For this, in Compressor, in the FRAME CONTROLS part of the INSPECTOR, set RESIZE to FAST (as you aren't changing the size), Output Fields to UPPER (odd)...or you can set this to Progressive. I do this because my source is progressive, and cutting it with interlaced is fine. But test both ways to see what you like best. Deinterlace is BEST, and Rate Conversion is FAST.

Do tests...see what looks best to you.

Shane

GETTING ORGANIZED WITH FINAL CUT PRO DVD...don't miss it.
Read my blog, Little Frog in High Def


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