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a picture sync problem
Here’s one I can’t figure out. A picture sync problem.
I do most of my editing in After Effects 7.0. I have imported some DV video from my Canon GL1 to Avid, this is where I do some rough picture editing. Picture and sound in perfect sync at this point.
I then export these files as Quicktime Animation and import them to AF 7.0. I open, keyfootage, apply effects…bla, bla bla. While previewing areas I notice that sound is about a second ahead of picture. Have tried many different cuts, different cuts, diffenent projects with same picture ahead of sound results.
I should point out that this is a brand new problem that just started today. I have never had this concern before. As a possible outside infulence, I have lost power a few times in the last couple of days due to ice storms here in the midwest. But after re-booting everything seems to be fine.
Now…as soon as I render anything out and then look at the render outside of AE…THEN the sync is returned to perfect. So the problem seems to be within AE only.
Any ideas out there???
Jay Thompson
Thompson Visual Design & Storytelling
7 Marjean Ct.
Kirkwood, MO 63122
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13 Replies
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Maybe it somehow switched some setting in your audio preferences or the general configuration. Lagging/ delay usually only occurs when there is a discreapncy between device settings and the software.
Mylenium
[Pour Myl
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If you have a Decklink, you should try setting its preview prefs (in AE) to “faster”.
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Steve said…If you have a Decklink, you should try setting its preview prefs (in AE) to “faster”.
Steve—it is set to faster.
Mylenium says…”Maybe it somehow switched some setting in your audio preferences or the general configuration. Lagging/ delay usually only occurs when there is a discreapncy between device settings and the software.”
I can’t find anywhere to change audio preferences in AE. “Discreapncy between device settings and the software” <---this really dose not help me. What device settings? Quicktime rendered animations from AE play fine, Avide source plays fine, same placed footage plays fine in DVDit. It's only within AE 7.0 that this is happening. I tried clean reinstall, not luck. What else could it possably be? Jay Thompson
Thompson Visual Design & Storytelling
7 Marjean Ct.
Kirkwood, MO 63122
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When you have a 16:9 comp, are your preview prefs set to 16:9 or 4:3? Making the preview match the comp aspect might help.
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Hi Steve,
Preview does match the comp aspect. Working in 4:3.
Jay Thompson
Thompson Visual Design & Storytelling
7 Marjean Ct.
Kirkwood, MO 63122
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Does it happen with all projects and sources?
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Yes Steve. All projects and sources. BUT…as I said this just started, as I said…
“I should point out that this is a brand new problem that just started Saturday. I have never had this concern before. As a possible outside infulence, I have lost power a few times in the last couple of days due to ice storms here in the midwest. But after re-booting everything seems to be fine.
Now…as soon as I render anything out and then look at the render outside of AE…THEN the sync is returned to perfect. So the problem seems to be within AE only.”
I do have another workstation that is networked to the machine in question. AE 7.0 is working fine on that computer, all project and sources. But it’s a much smaller and older computer and run much/much slower.
At a real loss here to underestand what could be going on.
Jay Thompson
Thompson Visual Design & Storytelling
7 Marjean Ct.
Kirkwood, MO 63122
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[Betty Boop2] “At a real loss here to underestand what could be going on.”
Yeah, me too. I can only suggest that you pull out some RAM and see if it changes anything, but that’s a last-ditch solution.
Sorry …
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Ok…here’s a thought. I said that I’d did a clean uninstall of AE 7.0 and then reinstalled. BUT THE ONE THING I did not do was try to get any thing out of the Registry. I have a registry cleaner, but that just fixes errors (or that what it thinks are errors).
Does anybody have a idea how I might go about going through the Registry to REMOVE any and all referrences to AE?
Jay Thompson
Thompson Visual Design & Storytelling
7 Marjean Ct.
Kirkwood, MO 63122
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I have a potential idea…as I had the exact same problem not to long ago.
Check in your *info* pallette, are you playing at real time? If not, the audio will be out of sync of the video within after effects, but not in your render. You will notice a black “real-time” or a red notification that you aren’t in real time.
Your options to see a RAM preview with audio in real time is to lower the resolution and scale of your preview window until your machine will play the comp at real-time.
This worked for me, and I hope it works for you…I think the idea is that AE will play frame for frame…real time when it can, but when it can’t…it just plays less frames per second, it doesn’t skip any to play at real time.
-Jason
Let me know if I helped.
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