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#1 |
New Boot
Join Date: Feb 2007
Location: Amsterdam, Netherlands
Posts: 9
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Sound out of sync
Has anyone encountered this problem? Some shots, while shooting 720/25 with a 110 are out of sync, three or four frames. It never happens on the first shot of the tape but then, after every re-start of the camera sound is not in sync anymore. I would be gratefull for any info on this strange phenomenon.
We work on a G4, 1.25. |
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#2 | |
Inner Circle
Join Date: Jan 2006
Posts: 2,290
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#3 |
Wrangler
Join Date: Aug 2005
Location: Toronto, ON, Canada
Posts: 3,637
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This is a result of the way you captured the media. I assume you captured m2t files using HDVxDV, LumiereHD, or DVHSCap and converted with MPEG streamclip.
If this is the case it is important that you do not capture across start/stop breaks. Always start a new clip at every start/stop break or you will have sync issues. If you capture with FCP5.1.x the clips will automatically be broken up to avoid sync issues. If you really want to capture a whole tape in one go as one clip then you have to use a capture card or AJA ioHD style device.
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Tim Dashwood |
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#4 |
New Boot
Join Date: Feb 2007
Location: Amsterdam, Netherlands
Posts: 9
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Thanks Brian & Tim, for your replies. But the footage is captured with fcp 5.1.4, native hdv. We don't mind having different clips after every re-start of the camera but obviously we like to have sync sound. So it's still a mystery to us. Maybe a G4 ppc is not the right tool?
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#5 |
Major Player
Join Date: Feb 2004
Location: France
Posts: 578
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Hi Pete
I've had this a few times importing HDV into PPro 2.... I get zero drop outs on the import, but it shows drops and audio going out of sync in the timeline....this despite me telling it to stop capture on dropped frames.. I'm just wondering if the editing software misses the long GoP drops with HDV... It shows up as an orange flash on the timeline... rather than the mosaic I'm used to in dropped frames. I got round it on the one important clip by unlinking and manually syncing the video and audio... Curiously when I import as DV downconverted in camera the drops don't show up... Wierd... Anyone else found this??? cheers Gareth |
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#6 | |
Wrangler
Join Date: Aug 2005
Location: Toronto, ON, Canada
Posts: 3,637
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Did you capture to an external hard drive that is too slow? Maybe formatted as FAT-32? I'll move this to the FCP forum where more FCP people may have some tips.
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Tim Dashwood |
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#7 |
Inner Circle
Join Date: May 2004
Location: USA
Posts: 3,004
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I've often found when the camera drops frames the audio goes out of sync. Its a pain to fix in the time line but it doesn't happen often, so you just learn to deal with it.
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