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Final Cut Pro exporting problem


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#1 Toomas Jarvet

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Posted 04 June 2009 - 01:47 PM

I'm having a strange issue with Final Cut Pro 6. I have finished editing and looked through everything for the last time in the sequence and everything looks and sounds fine. Now, when I export to mov (or any other format I have tried) the sound and picture are not synchronized in some parts. And I assure that in the final cut everything looks fine.

So far I have tried:
- capturing again into the project the problematic parts and replacing them in the sequence
- exporting to a different formats (MOV, AVI, MPEG-4)
- moving around the files to different tracks
- restarting the final cut and computer

Any other trick I should try?

Thank you for any help!
Toomas
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#2 Adrian Sierkowski

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Posted 04 June 2009 - 01:56 PM

What was the project originally shot on? What codec are you editing/exporting to?
If you have a deck, try printing it out to video and checking it on video as to whether or not it is in-sync.
How did you record your audio and what parts of audio are loosing sync? Speaking parts, FXs, music cues, all of the above?
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#3 Adam Garner

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Posted 04 June 2009 - 02:43 PM

Are you using compressor to export, or quicktime compression direct out of FCP?

If you ARE using compressor, you may want to try direct out of FCP. Compressor has typically presented a host of issues for me.

If you AREN'T using compressor, try it.

That should help isolate where the issue is coming from.

Also, search discussions.apple.com. Lot's of smart folks there and if the issue is common you'll find a solution for sure.
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#4 Toomas Jarvet

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Posted 04 June 2009 - 03:15 PM

What was the project originally shot on? What codec are you editing/exporting to?
If you have a deck, try printing it out to video and checking it on video as to whether or not it is in-sync.
How did you record your audio and what parts of audio are loosing sync? Speaking parts, FXs, music cues, all of the above?


It was filmed with Z1U. Shot and captured to Final Cut as HDV 1080i50. I tried two codecs for exporting (HDV 1080'i50 and H.264). I don't have a deck. It's the music parts in which I'm losing sync. All the text parts are fine. The audio was recorded with to channels (XLR inputs) On one channel I had directional microphone and on another sound directly from a audio deck.
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#5 Toomas Jarvet

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Posted 04 June 2009 - 03:19 PM

Are you using compressor to export, or quicktime compression direct out of FCP?

If you ARE using compressor, you may want to try direct out of FCP. Compressor has typically presented a host of issues for me.

If you AREN'T using compressor, try it.

That should help isolate where the issue is coming from.

Also, search discussions.apple.com. Lot's of smart folks there and if the issue is common you'll find a solution for sure.


I'm not using compressor, so I will try it out :) Thanks.
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#6 Adrian Sierkowski

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Posted 04 June 2009 - 03:40 PM

Hmm, just music eh?
It sounds almost as though your music might've been recorded in a differant time code?
Try bringing the project into soundtrack as a multi track project and exporting it as a master mix, and see if that cna keep sync when you reimport it into FCP.
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#7 Adam Garner

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Posted 05 June 2009 - 09:35 AM

It's the music parts in which I'm losing sync. All the text parts are fine.


Ah, that's a crucial detail. Sounds like the sample rate on the music is off. I've experienced something like that I think.

Make sure the sample rate matches the timeline in FCP. Export isn't catching that for some reason.
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