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Audio TC in Final Cut Pro Advice
Hi there,
I was wondering if someone could help me or lend advice to an issue I have in FCP. A film shot at 24p which I have taken over the editing for, has some audio with a 24 time code and some with a 25 time code. Not sure how this happening as I didn’t record or upload them. Is this a problem. It has been synced up like this and works fine (all matched), however when I move files around (or to a new external hard drive) and reconnect the audio files, the ones that were originally at 25 TC come back in as 24 (everythings at 24) and so it goes out of sync.
Is there an issue with having audio in the FCP timeline that has different time codes, as so far there has been no problems playing or exporting – only when trying to swapping hard drives and reconnecting.
I am not experienced when it comes to audio so any information would be great. If audio with different time codes is a serious issue then I will have to re-sync. If FCP and other software can work with audio of both timecode’s in the same project then its the swapping hard drives that could be the issue.
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4 Replies
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Hi Stuart,
I think this article might help you.
https://library.creativecow.net/lyon_matt/fixing-fcp-assets/1
rafael -
This may have something to do with it:
Final Cut Pro changes an imported audio file’s playback speed if it detects that the file’s iXML TIMECODE_RATE flag is different from the Project frame rate. This results in sound playing back at a different rate than its original sampling rate, resulting in drift between picture and sound.
To make certain that Broadcast Wave files play back at the correct speed in Final Cut Pro, it is important to ensure that their time code frame rate is the same as the Final Cut Project frame rate. This also ensures that the start time code value is calculated correctly, preventing time code offsets between picture and sound.
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Thanks a lot. Another quick question: if the project is 24p what should I do to the audio in the timeline that is synced and working but with a 25 TC? not sure how they managed to get the audio in the project with 25 TC in the first place.
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[stuart Hackshaw] ” has some audio with a 24 time code and some with a 25 time code”
Do the audios have an embed TC Track?
rafael
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