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Problem 1 of 2
I’ve got a 2 hour sequence (music concert) in DVCPROHD codec that plays perfectly fine in every way. However when I export the show some shots are out of sync, about 10 frames lagging behind the master audio track (timebase is 60fps). I’ve tried to go through Compressor to make a SD DVD, and also directly to Quicktime using all native settings of the sequence. Both exhibit the same problem.
The edit was done using the multiclip function based on a seven camera shoot. There are 1806 clips in the program taken from the 35 source files. MacPro, 4 GB RAM, FCP latest patch, 4 TB eSata RAID. Has anyone had such a problem?
Ken Nicholson
UpShot Productions -
9 Replies
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[Ken Nicholson] “I’ve got a 2 hour sequence (music concert) in DVCPROHD codec that plays perfectly fine in every way. “
Not sure what the problem is, but since the sequence plays back correctly, can you just output the tape and capture that for the MPEG-2 encode?
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Sure, ya gotta DVCPROHD deck I can borrow for a few hours? 😉
Ken Nicholson
UpShot Productions -
No, that didn’t help. I ‘rendered for mixdown’ the entire sequence, then made a native res QT movie about 20 seconds long, still lags about ten frames, but only some clips, not all. What is different about playback vs. rendering? Somehow the TC (or the clips)is shifting when rendering.
Ken Nicholson
UpShot Productions -
This is a pain, but quit FCP, delete your audio render files and then also delete your waveform and thumbnail cache. When you reopen, it might take little bit to rebuild those, but give it a shot. It helped me numerous times on my last Multicam edit. Also, are you just switching video, or do oyu have audio switching as well? Double check to make sure.
Jeremy
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Sometimes making the audio offline and then reconnecting helps.
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I’ve run into that before as well, and somehow breaking the relationship to the rendered audio files and forcing it to re-render sometimes works, which is what was suggested. One thought, is it the same source clip (of the 35) that does this or is it random, a different clip each time, that might help to troubleshoot it. If it is the same clip(s) the original file might have been a bad ingest.
What’s problem 2?Hey btw, did I work with you years and years ago in Sacramento doing sound for bands??
Good Luck, Jon Lewis -
Have you collapsed the multiclip?
-Simmie
6 MacPros – Kona 3 & Kona LH
1 G5s – Kona LH
xbox360, Wii, PSP, PS3
https://www.speak.co.uk -
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Yes, its been collapsed for a few weeks now.
Ken Nicholson
UpShot Productions
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