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No browser audio issue with MXF media

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Oliver Peters
No browser audio issue with MXF media
on Apr 5, 2017 at 12:10:57 pm

I have C300MkII clips that are MXF-wrapped with embedded audio. These imported fine. When I play a clip in the browser, I can see the waveform on the filmstrip, I see the VU meters move, but I cannot hear the audio. When I cut it to the timeline, then I do hear audio just fine. This only seems to happen with the MXF clips, not other MOV clips. What am I missing?

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 12:20:10 pm

OK, a slight solution, sort of. These are clips with multichannel audio - all mono. I cannot hear the audio when left in mono. But if I change the clip in the inspector to two stereo channels or surround, for example, then I can hear the audio from the clip in the browser.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Jeremy Garchow
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 12:47:06 pm

Are you using an a/v device like AJA et al?

If so, try this: https://support.apple.com/en-us/HT204780


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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 12:59:11 pm

Thanks for that. Yes, We are using the BMD UltraStudio Express. And in re-checking, it is an issue with mono versus stereo configs in all files, not just MXF. Changing the MIDI settings didn't fix it, however, I was able to hear audio when using the Apple Display speakers instead. Unfortunately for X, this isn't not a problem in any other app. And second problem, I can't select all clips and make a global change because audio configurations vary.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Jeremy Garchow
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 3:31:45 pm

[Oliver Peters] "Changing the MIDI settings didn't fix it, however, I was able to hear audio when using the Apple Display speakers instead."

By changing the output is sys prefs?

Changing the midi should work, although this was a bigger problem on Blackmagic than AJA. AJA, for whatever reason worked all the time, the Blackmagic did not and had to change midi.

Here's some pictures and instructions, including toggling to setting to refresh it.

http://www.fcp.co/final-cut-pro/articles/1715-fixing-the-annoying-stereo-mo...


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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 3:39:09 pm

Nope. Didn't work. There's no multichannel button any longer and it was already set to stereo.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Jeremy Garchow
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 3:41:58 pm

[Oliver Peters] "Nope. Didn't work. There's no multichannel button any longer and it was already set to stereo.
"


That's why they toggled it from surround back to stereo.

Here's what mine looks like (OS 10.11.6).

If I click "Configure Speakers" this comes up:




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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 3:51:11 pm

Not here. Mine only shows a pulldown. The pulldown has stereo and various surround configs. I toggled to one of the surrounds and then back to stereo, but it didn't make any difference. I'm on 10.12.4.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Jeremy Garchow
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 4:06:51 pm

Could be the difference.

I assume you have the latest drivers, or have uninstalled and reinstalled?

If the audio is working elsewhere, but not in FCPX specifically with that specific device, I would think the problem in not FCPX particularly, but how the device is interacting with it.


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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 4:09:20 pm

[Jeremy Garchow] "I assume you have the latest drivers, or have uninstalled and reinstalled?
...I would think the problem in not FCPX particularly, but how the device is interacting with it."


Everything current. This is a new 2013 MP. X is the only app that is having these issues. I'll have to test on a different machine (older tower) and see.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Bill Davis
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 8:32:47 pm

[Oliver Peters] "Everything current. This is a new 2013 MP. X is the only app that is having these issues. I'll have to test on a different machine (older tower) and see."

Doesn't help you any Oliver, but I remember back when Canon introduced the C series of cameras, there was many, many months between it's MXF flavor escaping the lab - and it landing simply and contentedly in a FCP X storyline. Eventually, it did, but it wouldn't shock me at all if something about Apple's Roles re-do late last year caused something about how Canon MXF functions not to translate perfectly.

Unfortunately, if it turns out to be something Canon has to fix on their end in response to the new Roles architecture, there doesn't seem to be a lot of quick revision happening around drivers at Canon - at least not that I've seen.

Oh well.

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


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Oliver Peters
Re: No browser audio issue with MXF media
on Apr 5, 2017 at 8:39:25 pm

[Bill Davis] "but I remember back when Canon introduced the C series of cameras, there was many, many months between it's MXF flavor escaping the lab..."

Thanks. In general, the MXF files all seems to be fine. Clips are audible in the timeline, just not in the browser, when left as mono. I think it's an issue between the Mac or the OS and the BMD box. I can set the sound prefs output to any other option that doesn't involve the BMD UltraStudio (internal speakers, USB output, Apple display audio) and they all work with the mono audio from these clips. So that really points to the unit, drivers, or output over Thunderbolt, but only with FCPX. Oh well.

- Oliver

Oliver Peters Post Production Services, LLC
Orlando, FL
http://www.oliverpeters.com


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Mark Smith
Re: No browser audio issue with MXF media
on Apr 6, 2017 at 12:05:07 pm

I work with C300 Mk2 files all the time and no audio issues with either of my systems . I do have a BMD ultra studio which is not connected to either system at the moment . I could plug it in and see if the problem occurs....


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Helgi Thor
Re: No browser audio issue with MXF media
on Apr 6, 2017 at 12:51:44 pm

FWIW I'm having the same issue, with an old BM Decklink card. I thought it could be some kind of incompatibility with the hackintosh it's currently in, but maybe it's a Sierra thing.
My current workaround is to use two set of speakers, a cheaper set hooked on the line out for the early stage of an edit and the better one on the decklink for the final stage. Not ideal, but it's pretty easy to switch between the two.

--
Helgi Thor
Editor
Fortaleza
Brazil


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