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XenoJin  
#1 Posted : Thursday, March 19, 2026 1:33:09 AM(UTC)
XenoJin

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Joined: 8/17/2021(UTC)
Posts: 5
Singapore

When recording MP4 Multichannel audio with MAB, the resulting recording sums all of them into 2 channels.
This only happens with MAB. Recording with MA works as intended, with 4 channels.
admin  
#2 Posted : Thursday, March 19, 2026 1:45:21 AM(UTC)
admin

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Man
Location: Gold Coast, Australia

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Hi,

I can confirm this is not the case and MAB is recording correctly in MP4 in the latest vMix.
This can be confirmed by opening in an app like Audacity.

It is possible the app you are using to open the file not handling the channels correctly, as some apps will treat 6 channels as 5.1 and
map back to stereo automatically.

Regards,

Martin
vMix
XenoJin  
#3 Posted : Thursday, March 19, 2026 2:17:05 AM(UTC)
XenoJin

Rank: Newbie

Groups: Registered
Joined: 8/17/2021(UTC)
Posts: 5
Singapore

Ohhh!! You are right! I imported it in premiere, but it was recognised as a 5.1, that's why I'm only seeing one track!

Thanks! I got it now~
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