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Dropped frames…
Hi –
I have an ongoing problem with dropped frames during playback.
I have, thus far, done all the “fixes” I’ve seen here and which are suggested by the app when the window pops up. I’m using FCP 4.5 using a CineWave card and playing out an uncompressed stream. I have removed all removal Firewire devices. Large disk is a 2 terabyte Huge Systems RAID. Disk is pretty full, but still has 500gigs of headroom.This seems to happen after I’ve been cutting for awhile. Is there a cache of some sort that can be flushed…or any other thoughts?
Thanks so much.
Ron
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6 Replies
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Without knowing what “done all the “fixes” I’ve seen here” means…
There is a function in FCP that is often overlooked… and it can help with many audio and video “skipping”, “sticking” and “missing” problems.
You should “Mixdown” the Audio for playback before you dub out of FCP, or during the edit, if you have audio/video stuttering, drop-outs, sync-slippage, or freezes.
NOTE: Mixdown has even been demonstrated to help with slipping, skipping problems (or “missing” audio clips) for files being EXPORTED as QT (or similar) files out of FCP.
First, SELECT ALL of your audio tracks (highlight them) on the timeline, then:
Sequence Menu > Render Only > Mixdown.
You should see a dialog box telling you its rendering.
It might seem to make little sense that “Mixing down” even simple audio tracks will “fix” complex video “freezes” or random audio dropouts to tape or export, but it CAN.
NOTE: It does not matter of you only have one audio track, if there are random freezes during output, you should try the Mixdown.
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Thax –
I appreciate the tip, which I had tried before. Did it again to see if it made any difference and it didn’t help. Got a spinning beach ball minutes later…
I have the Internet disconnected, no removable drives in the fireware ports, only one seq open, 50% screen size on both viewer and canvas, safe RT, low quality audio, no other apps open. I am just stumped! My G5 is a dual 2GHz model.
Sheesh!
Ron
Photos, news, memories and musings on the great American Roadside experience
https://www.theamericanroadside.com
Are you a collector? Put your collection online for free at What A Collection.com!
https://www.whatacollection.com -
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Just a thought…
If you are running dual monitors on your desktop, check that your viewer or canvas are not spanning across both monitors…even a little but. Put either/or both windows entirely on one monitor or the other. I usually use the “fit to window” command except when moving over-sized graphis around the screen.
Tom -
Kevin –
You may be on to something. My clips are quite long, since the shooter was very efficient when he shot and there were few busted takes. It follows that (as I think you’re suggesting) the system has to load these long clips, even if it’s just playing a short portion of each. Maybe I should start to subclip this stuff out more, eh?
Ron
Photos, news, memories and musings on the great American Roadside experience
https://www.theamericanroadside.com
Are you a collector? Put your collection online for free at What A Collection.com!
https://www.whatacollection.com -
Would audio at different sampling rates also cause a similar problem?
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