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FCP 7 and TASCAMDR-40 Sync Issue

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Benjamin Bernstein
FCP 7 and TASCAMDR-40 Sync Issue
on May 11, 2012 at 1:40:34 am

Hey all,

I know similar problems abound here, but I've tried many solutions and nothing's worked, so I'm giving it one last shot before I just live with this problem or start returning equipment.

We shot several interviews with a 5DMarkII at 23.98 fps with 48khz audio. Recorded audio using a Sony Lav into a Tascam DR-40 at 48khz as well. Encoded footage to Apple ProRes LT, and sequences match the footage setting first.

The sync drift starts after about three minutes. Really frustrating. I've used other Tascam models before and not had this problem. Does anyone have any ideas?

Thanks a ton.

Ben


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Rafael Amador
Re: FCP 7 and TASCAMDR-40 Sync Issue
on May 11, 2012 at 9:49:13 am

I guess that you have a default sequence of 29,98fps.
Set a default sequence of 23,98fps before importing your audio.

FC assign the default timebase to the audio files.
The bug has been documented by Matt Lyon on this article:
http://library.creativecow.net/lyon_matt/fixing-fcp-assets/1
rafael

http://www.nagavideo.com


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Benjamin Bernstein
Re: FCP 7 and TASCAMDR-40 Sync Issue
on May 11, 2012 at 12:43:37 pm

Thanks for the reply, but I've tried that several times.

Easysetup is HD with a 23.98 frame rate. Reimported audio with no luck. :(


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Bouke Vahl
Re: FCP 7 and TASCAMDR-40 Sync Issue
on May 12, 2012 at 9:02:53 am

read the manual again and again...
Don't forget the restart FCP part.

Of course there will be a small speed difference between unlocked recorders, but not that big.

If all fails, export the clips to QT audio only, wave or aiff, see if that works (that should remove the timestamp that fools FCP)
Since you probably don't have any use for the BWF timestamp, you'll be fine.

Bouke

http://www.videotoolshed.com/
smart tools for video pros


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