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FCPX Has Bad Audio

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Ken Bennett
FCPX Has Bad Audio
on Sep 30, 2016 at 6:08:40 pm

I'm still new to FCPX but i need a solution to this issue ASAP.

Why does all my audio in the FCPX sound so bad? I have what I call "hip-ups" or "skips" every few second in the audio during playback. And it'd in the final output files!!! The source audio is clean and plays fine outside FCPX.

I am editing on an iMac 17, late 2013, 3.5GHz Intel Core i7, 32GB 1600MHz DDR3, NVIDIA GeForce GTX 780M 4096MB.

Thanks.

Ken Bennett
Video Adventures
Capturing Your Life's Adventures!


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Gregor Queck
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 7:32:00 pm

Did you apply audio plugins?

. . .


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Ken Bennett
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 8:02:18 pm

I have no audio plugins at this time. Original footage was shot in HDV and ran through EditReady what makes a MOV file. This MOV's audio plays fine by itself. But from within FCPX I get these "skips" in the audio. I can them "skips" as that someone else had this problem and the audio example was the same. I'm not sure what I selected for audio transcoding in EditReady.

Also told FCPX doesn't like MP3s and prefers WAV or AIFF files.

Ken Bennett
Video Adventures
Capturing Your Life's Adventures!


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Gregor Queck
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 9:08:18 pm

FCPX works fine with HDV. I would guess EditReady fusses with the audio track. Just try the original HDV files...

. . .


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Nick Toth
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 9:18:41 pm

I use MP3's in FCPX all the time with no issues. Your problem is probably with the format your HDV was converted to.


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Jeremy Garchow
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 9:39:39 pm

I would guess there's a frame rate problem somewhere.


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Bill Davis
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 10:06:27 pm

What Jeremy Said.

"skips" in audio are usually a sign that the audio sample rate or codec settings on your original capture device were not at one of the more popular standards. Usually, X will auto-conform the audio to the correct sample rate and transcode on the fly - but there are some types of less common audio encodings it's simply not able to parse.

Drop your original clips into something like MediaInfo - which will tell you the sample rate and codec involved. If it's too weird - you might have to export your audio - conform it to a better standard - and re-import and re-connect it in X.

There are a LOT of capture "standards" out there. No program can handle them all flawlessly.

Good luck.

Creator of XinTwo - http://www.xintwo.com
The shortest path to FCP X mastery.


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Ken Bennett
Re: FCPX Has Bad Audio
on Sep 30, 2016 at 11:15:41 pm

EditReady has a few audio transcode options (Passthrough or change nothing, Uncompressed PCM and 2 AAC options). I guess I can test each one out and see if the problem lies in there.

THX

Ken Bennett
Video Adventures
Capturing Your Life's Adventures!


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Dave Jenkins
Re: FCPX Has Bad Audio
on Oct 1, 2016 at 12:28:14 am

Before you try that maybe you should bring the HDV footage into FCPx first and see how it plays. I used NTSC, PAL, multiple sizes and frame rates all in the same timeline and when render everything played fine.

Dajen Productions, Santa Barbara, CA
Mac Pro 3.5MHz 6-Core Late 2013
FCP X


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Gerry Fraiberg
Re: FCPX Has Bad Audio
on Oct 2, 2016 at 1:48:29 pm

I have never had a problem with HDV audio imported directly from a Sony Z5 to FCPX, from day one when the software was released.



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Scott Houston
Re: FCPX Has Bad Audio
on Apr 21, 2018 at 5:42:37 pm

I know this is an older thread, but in case anyone drops by like I did, I have identified the issue...

FCPX seems to have issues with AAC audio in an imported file coming in. My situation involved captures from an ATEM TV Studio that saved h.264 files with AAC audio (no other choices). Even though FCPX is transcoding (optimizing) upon import, something happens and introduces those snaps and pops. The files are fine playing in QT Player out of FCPX, it is only once imported that the snap, crackle and pops are introduced (and they will stay in any export formats.)

I did a bunch of testing and clearly the issue is FCPX not handling the AAC audio correctly and introducing digital noise.

The (somewhat kludgy) workaround I am using to solve it is to drop the h.264 files into Compressor and extract the audio into a separate AIFF file (there is a pre-existing setting under the Audio Formats folder). Then once the h.264 file is in a timeline, I split the audio from the video (expand audio components), delete it, then drag in and snap the .aiff file created in compressor directly below (to keep sync easily) and then turn the vid and the new audio into a new multi-clip so I can edit them together moving forward.

The other simpler option that worked (if space and overhead is no issue to you) was to render the h.264 in Compressor to ProRes. That then changed the audio format and those imported files worked as well. However the ProRes converted files were easily10X larger than the original h.264 + the new .aiff file.

The thing that made absolutely no sense to me however is that if you have FCPX create optimized media upon import (like I do...) it supposedly creates ProRes 422 files. But those automatically optimized in FCPX have the noise, but the ProRes 422 files created first in Compressor, then imported do not. Who knows ...


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Bill Davis
Re: FCPX Has Bad Audio
on Apr 22, 2018 at 5:31:18 am

[Scott Houston] "My situation involved captures from an ATEM TV Studio that saved h.264 files with AAC audio (no other choices)."

Back in the day, there was a LOT of audio anomalies in the early BlackMagic ATEM systems.

I remember HUGE processing delays with the default multi-track audio embeds - even if they were empty.

I just did a gig at NAB using a current ATEM system and none of those original issues were evident.

My advice is to make absolutely sure all your software and firmware updates are totally current.

The BlackMagic stuff is largely video over IP - and like all computers, if the code isn't current, there can be all sorts of bugs lingering that have been addressed over time.

Good luck.

Creator of XinTwo - http://www.xintwo.com
The shortest path to FCP X mastery.


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Scott Houston
Re: FCPX Has Bad Audio
on Apr 23, 2018 at 3:14:05 pm

Good advice for sure Bill, but in this case I am 99% sure it is a FCPX issue.

I say that because while testing I created another h.264 file directly from a camera (not captured by ATEM TVS switcher) and purposely set the audio format to ACC and got the exact same response with FCPX introducing the digital noise after importing the file. Everything was identical to the files captured by the ATEM Switcher as far as being able convert the audio, then import, etc... as described above.

So working down the rabbit hole trouble-shooting-wise, that leads me to believe it is some oddity with FCPX's handling of the AAC stream when importing vs. some oddity with the way the file was captured.

Just trying to add to the KB ...


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