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AUDIO: mix skips at certain points
Cutting a music video: 4 min
FCP 4.5 HD
Video Has color correction
AUDIO: 3 LAYERS. L/R tracks. Imported a mp3 right from band mix. It sounds fine when played by itself.
Other audio layers do not mix with main tracks, they are just intro’s.PROBLEM – band mix jumps in certain spot when playback. remove everything but audio, still jumps. Play the mix by itself, it’s fine.
NOTES:
SCRUB sounds fine.
When I play back with video, it jumps. So I tried to isolate and mute L from R. Still hear it on both when in timeline.
I reimported the audio in, still jumps.
Removed all markers.
removed Video that was sync’d above it, so that there’s no video when the audio plays, still jumps.
When I 2x click and listen to actual clip, it’s fine. When it’s imported, with video or not, the clip jumps.
Created QT, and the mov has the jumps in it as well.HELP!!! Arguhh.
What can I do?
Does FCP change the audio in anyway when brining it into timeline?Thanks and great forum.
Chip
I have the clip posted if anyone wants to see what I mean. -
2 Replies
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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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Thanks Thx.
Tried that and made sense. Will remember that.
What I overlooked, which I thought I checked was, changing the audio clip from 48 to 44. I guess they recorded it in 44.
Thanks again.
CHIP
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