HD 1080i export out of sync

I'm exporting a HDV 48khz project to a quicktime.mov problem is once I get the export and play it, the sound is drifting along the project. It's not like it's out 2 seconds and I can slide it back into sync by making a 2 second adjustment, it has a different drift as the project progresses. It was captured at HDV 48 sequences HDV 48 and it plays perfectly in the timeline but when I export, it drifts. It is a long program 13 scenes over 3:10 but it's broken into 13 scenes.
I'm making an attempt to limit the file size to 2 gigs now, we'll see.
Anybody?????? Help PLEASE!!!! before I throw this computer out the window and take a hammer to it after it pathetically smashes into pieces on the sidewalk.
Thanx
Cal

What's the sampling rate of the clips and what's the sampling rate of the sequence. Although fcp SHOULD be able to resample on the fly, this might be the root of the problem.

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I'm working on a short movie for a class I'm in, and everything shows up and plays fine when open the file in Final Cut, but for some reason, it doesn't want to export properly. Whenever I export, no matter what settings I've chosen, the audio and video become out of sync in the exported file, but strangely only for clips where we've chosen a different audio track from the original recording. The first clip, which uses the audio and video from the camera, works fine when exported, but for each subsequent clip, the audio starts close to synced, then gets further and further out of sync. Even more baffling, the final clip, which is done the same as all the others, with video playing and an external audio track synced to it, works fine again!
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Motion project exports out of sync

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QT exports out of sync

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Message was edited by: rnnyc

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null

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Yea it still won't let me post images, so here are the settings:
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Quicktime Export causing Out of Sync Audio?

I'm trying to export a self contained Quicktime movie from my timeline, and every time I try, the audio ends up being out of sync. What am I doing wrong?
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When I bring the final exported movie back into FCP, it plays out of sync.
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Allright, since nobody out there seems to have the answer - I'm going to share what I discovered so that the next person will actually get an answer without having to spend hours and hours finding it in other forums. Here goes:
Problem: Audio plays in sync on the timeline, an export from the timeline through Share to bluRay results in correctly synced audio; but a Quicktime Export with current settings results in a final movie where audio is out of sync with the video.
Solutions: I found two solutions to this problem:
1- When exporting to Quicktime Movie, check "recompress all frames". This solution had mixed reviews, with lots of people saying you should never do this, as it will reduce the quality of your final output; while others said the reduction in quality was not noticeable to the naked eye. I guess you can try it and be the judge.
2- In your sequence settings, change the compression setting to Apple Pro Res. This is the setting I decided to go with, as I'm currently awaiting the 10 hour render.
I did do a quick and dirty test on the ProRes option, where it appeared to work. Since the audio is correctly synced in the beginning of the video and then slowly falls out of sync (obviously the 30p to 29.97 problem), I had to run a test using my entire sequence. If you run a test on a 2 minute sequence, it will appear to be correct, because it is a slow falling out of sync issue - the problems occur later in your project (just fyi). Here is what I did (in case you want to try it on your project):
I created a new sequence and then changed the compression setting from HDV1080-30p to Apple Pro Res 422. I dragged my sequences into this sequence (so they were nested). I unlinked the audio and then selected about a 20 second area from about 3/4 of the way through the project. I sliced this section and then removed all the video before and after (so it would speed up render time and only render black, but I would still be able to see if the audio synced up later - I hope that makes sense - this made my export time only 12 minutes). After it exported, I reimported the movie, found the little 20 second area, and it was correctly synced. So, now I am exporting the whole thing. I sincerely hope this works. I don't have lots of 10 hour blocks just lyin' around!
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Wish Apple would fix this bug.
Message was edited by: Chermeier1

Audio and Video out of Sync after Pro Res export

I´m getting an audio/video sync issue when I´m exporting to Pro Res.
I started off in a HDV1080i50 sequence. Audio sampling rate is 48khz. (16 bit depth)
The sequence is less than 20 minutes long. It plays correctly on the timeline.
When I export the sequence for DVD and view it on a set top it plays absolutely fine.
When I export the video to ProRes (422 HQ - I used Export using Quicktime Conversion) and the audio to AIFF, they quickly go out of sync. This was brought to my attention first by the guys who were making the DigiBeta master, and when I view the exported material in a Pro Res sequence I can see it for myself.
The audio and video clips are of the exact same duration.
Possible issues...
Some of the narration was recorded at 44.1 khz. I didn´t resample it (I´m still a learning novice..).. but if that is the issue should it not have affected the DVD as well? All the other audio in the project is 48khz.
Most of the material is HDV1080i50..but one clip used was originally an NTSC clip and therefore a different frame rate. However I converted it to a 25fps clip and this is reflected in the vid rate column in the browser where it says 25fps.
Final point, the exported AIFF files..when I import them back into the HDV1080i50 sequence and play back, it is perfectly in sync.
Any help would be greatly appreciated.

First, yes resample the narration to 48k 16 bit. You will probably be able to reconnect to the resampled files. Usually works for me. That's a simple fix and will probably solve the problem. If it doesn't, you can try to change the codec (compressor) in the sequence settings to prores 422HQ, fully render and see if that solves the problem.
Wait, just reread your original post. Export from fcp using file: export: quicktime movie NOT quicktime conversion with current settings. If that works without synch issues, use compressor to convert to prores.

Audio and video out of sync after exporting sequence

I'm a FCP user since years, but not so common with HD footage. Therefore I have an issue with my finished edited movie after exporting: Video and Audio are out of sync.
My sequence settings are: HDV1080i50, 25fps, 48kHz, 16bit, Stereo. I used File-> Export-> Quicktime Movie -> Current Settings
Sequence has a duration of 61 minutes and 38 sec. I tried to find out where's the problem and exported audio and video seperated. This results in:
Video is 61 minutes and 27 sec long
Audio is 61 minutes and 38 sec long
That means exported video is shorter than original sequence.
What could that be ?

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Message was edited by: Anthony M Kassir MD

When I export a AAF file from Protools 9 and Import the file into Logic ProX the drum track is out of sync. I created the drum loop using NI Maschine. Has anyone else seem this??

When I export an AAF file/project from Protools 9 using an external drive and import the AAF into Logice Pro X the drum track does not play correctly. It is out of sync with the rest of the track. I created the drum loop as a plugin using Native Instruments Maschine. Has anyone else had this problem?? Also how would I go about exporting the midi tracks from the Protools session. The midi track does not show when the file is imported to Logic Pro X. The midi data should export with the AAF file correct??

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Why does my audio slip out of sync when exporting?

I am exporting an HD edited video. I shot 1280x720 & editing in FCP 6.0.5. I am using APPLE PRO RES 422 1280x720 30fps 48kz . Should it be (HQ)?? - I do not select re-compress all frames or make self-contained. I just want a QT reference file to view and then burn a DVD. My clip is 43 minutes long. HOWEVER, the audio drifts out of sync BIG TIME. Why is that??
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HD 1080i export out of sync

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