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True 24 audio with 24p picture problem

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Karama Brown
True 24 audio with 24p picture problem
on Feb 25, 2010 at 12:04:56 am

Hi there. I'm and editor and I just got a call from a tech on set. He tells me that my audio was mistakenly recorded at true 24, while the picture they're shooting was recorded at 23.976 (aka 24p). (They're shooting with a Lumix). I told him that moving forward they should correct the audio and record at 24p. But as for today's out of sync footage...

I've looked at other threads about this on the Cow, but I still have a question...

Is there anything that they can do on set when converting these files to ProRes for me to shift the audio? Or should I tell them when they sync them to just shift the audio 1% using cinematools? I really feel this is their problem, but I have a crazy short timeline on this and I'm trying to help them help me if you know what I mean.

Karama
http://karamaedit.com
http://fluidny.com/


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Michael Gissing
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 12:33:00 am


Slow the audio .1% not 1%. There are many ways to do this but try Compressor.


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Aaron Neitz
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 1:26:04 am

Or if your're in a jam, speed ramp your audio to 99.99 in FCP.



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Karama Brown
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 1:48:12 am

Thanks Aaron. Then can I "merge" the clips or subclip it or something so that I don't have to keep messing with it throughout the edit?

Karama
http://karamaedit.com
http://fluidny.com/


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Karama Brown
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 1:49:01 am

Whoops! .1% that's what I meant thanks! (Nice avatar btw)

Karama
http://karamaedit.com
http://fluidny.com/


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Dave LaRonde
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 4:20:24 pm

Here's a REAL no-brainer way to do it:

Put the true 24 fps audio into a true 24 fps FCP edit timeline.
Export a series of 24 fps,self-contained audio & video Quicktime clips.
Conform the clips created immediately above to 23.976.

Obviously, this technique blows out any time code you may have had.

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


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Karama Brown
Re: True 24 audio with 24p picture problem
on Feb 25, 2010 at 4:21:55 pm

But it IS a great workaround if they deliver it to me out of sync. thanks Dave!

Karama
http://karamaedit.com
http://fluidny.com/


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