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conform 24@25 with compressor >sound right length but not in sync

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johan hjal
conform 24@25 with compressor >sound right length but not in sync
on Jun 22, 2011 at 1:50:49 pm

Hi!!
So I´m trying to conform an apple pro res 24fps with 6 audio channels to an mpg2 with 25fps and a dolby digital 5.1 sound.
I´m using final cut and compressor.
In compressor I have the same 24@25 setting for the frame rate control, for the picture and the sound.
The picture looks ok but the sound goes from being in sync to driffting a couple of secunds at the end of the movie.
But the length of the video and the picture are the same.

What the hell is this???


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Jeremy Garchow
Re: conform 24@25 with compressor >sound right length but not in sync
on Jun 23, 2011 at 3:04:45 am

Compressor won't handle the audio correctly with 24@25 as it doesn't slow it down.

Is this mpeg2 for DVD?


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Michael Gissing
Re: conform 24@25 with compressor >sound right length but not in sync
on Jun 23, 2011 at 3:10:25 am

Sound will be a pass through. A small drift sound more like the original might be 23.976. How much drift and is it ahead or behind at the end?


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Jeremy Garchow
Re: conform 24@25 with compressor >sound right length but not in sync
on Jun 23, 2011 at 3:18:52 am

And sorry, I meant the audio won't be sped up, not slowed down.

I've been reading too much fcpx negativity this evening and it has unfortunately hindered my capability to think clearly.


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johan hjal
Re: conform 24@25 with compressor >sound right length but not in sync
on Jun 23, 2011 at 1:54:29 pm

Thank you so much Jeremy and michael for responding!!!

I managed to get it right by exporting each channels separatly, then stretch them in soundtrack pro then mount them in compressor and then export them....

And it didn´t work when I try to send all the trax to soundtrackpro from fcp.

Yeah its a work around not a workflow...
Really not impressed by the expensive final cut suite, I think apple should stick to build computer.


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