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OMF Issues
I’m running FCP 6.0.5 with a blackmagic decklink card. I exported an OMF of an 20 minute promotion to the audio mixer. There are 8 tracks of audio. When the audio mixer opened the OMF, he said once he starts looking at track 5, his computer locks up and crashes. We sent the OMF a second time and it did the same thing. I’m going to File/Export/Audio to OMF and then clicking all 3 options (crossfade, level, and pan). Rate 48kHz and Depth – 16 bit. Handles are 1 second. The coded for the entire project is ProRes HQ and it has a mix of SD and HD footage in an SD timeline.
As a third try, I exported an OMF with just tracks 1-4 and another with 5-8… Haven’t heard back from them yet and don’t know if it has worked or not. Anyone else ever see this before? Thanks.
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4 Replies
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As a rule I never export OMF’s with crossfades, level or pan. They don’t travel well and different software handles them differently. Also sound people like to do their own stuff anyway.
So you might want to try exporting your seq without selecting any of the above as I do not have problems wit OMF’sThere is a slight chance though that an audio file is kind of corrupted (not the audio itself but the metadata inside FCP). Your 2 exports will show if this is the case so you’re one step ahead here.
Last tip: give at least 5 sec handles (I do 10) because one second is really nothing if a sound editor needs to extract some noise print or the like from the clips you send.
Hope you’ll get it fixed.
Cheers
Carsten
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Thanks Carsten for your response and from now on I won’t check any of the options and I will give the audio engineer 5 seconds of handles.
When I exported seperate OMF’s for tracks 1-4 and 5-8, that worked in the sound guys Pro Tools. What does this say? Can OMF’s not handle more than 4 tracks of audio? What could be corrupted in the audio files and how can I fix it? Any insight would be appreciated.
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I export OMF’s to audio people all the time, but it’s usually 30 second spots w/ few audio tracks w/ out a problem… This was a show with 8 audio tracks and there was a problem.
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Okay, I can shed some more insight on this now…
I used an automatic duck Final Cut Pro Export option to export an OMF for a digital audio workstation because if there are any errors it will give you a log.
As it turns out, there was a sound effect that had an issue. I got a error message that “QT could not find the audio media….” and then “An unexpected shortage of audio samples has occurred…”
I checked it the FCP timeline and found the audio effect the log pointed to. The sound effect played down in the timeline and wasn’t offline. I was able to reveal it in finder from the timeline, but when I pressed Shift+F to find the file in the browser, it said “The clips master clip is not present. Would you like to add a master clip to the browser” I clicked yes, re-exported the OMF and got the same error in the log. Anyone have a clue?
The sound effect in question is in 16 bit and 48kHz.
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