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FCP X destroys my audio
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The conclusion of the saga is that this issue is related to the inclusion of clips with an odd sample rate. In this case, 46.034, which was a result of conforming 25fps clips to 23.98fps using Cinema Tools. FCP X may or may not have issues with other odd sample rates created by speed conversions. This audio CANNOT be present in the timeline. It must either be disabled in the clip Inspector pane or must be detached and removed.
Just as a sanity check, I ran some tests to replicate the issue. I created a new 23.98 sequence testing the same mix of conditions I had in the problematic sequence that X exported with distortion. I included a conformed clip with the 46.034 sample rate (audio present in timeline but silenced). Different machine, different media, brand new Library/Project. FCP X replicates the distortion on export.
FCP 7 and Premiere Pro CC export the clip WITHOUT any distortion.
– Oliver
Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com -
Did you report this to Apple via the feedback section?
I am sure you have Peter, but sometimes this part of the process of all of us helping to make the editor better gets overlooked.
I had a similar problem with my Smartsound Files sounding good in the Audio Editor, but output inserted random pops! Its been fixed and a patch was issued. Let us know what Apple says!? -
[Craig Shamwell] “Did you report this to Apple via the feedback section?”
Yes, they are aware of the situation. The odd sample rate is the issue coupled with how FCP X deals with audio media these days.
– Oliver
Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com -
I came across this thread because as an audio guy who is only getting more into video, I know that my .wav files are the best. Upon import though, I have had to bounce them as .aiff files instead because once I put a .WAV file in fcpx it distorts across the entire track. I tried different sample rates and nothing would fix this. I cannot figure this one out. I keep finding other FCPX bugs the more intense projects I do.
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That’s odd, I’ve never had issues with .wav files in FCPX at all
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