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Maintaining Mix Minus from audio console
Rank: Newbie
Groups: Registered
Joined: 5/29/2026(UTC) Posts: 1  Location: Pennsylvania
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Hello!
The situation I am dealing with is that my students (I'm a HS Multimedia Teacher) ran a live stream last year. This stream involved interviewing nonprofits on a day of giving within the community. Some non-profits could not come to the actual set to be interviewed in person so we used Vmix Call to bring them in virtually.
The signal flow last year involved routing nearly all audio out of the computer running Vmix, into an audio console and then back to the computer to Vmix to FB/YT. In addition to sending audio from the console back into the computer, we also sent some audio to the set so the anchors could hear the music, talkback from control room and Vmix call audio. (we had monitors on the floor of the set)
The issue is that we were unable to set up the signal so that the audio console had true control of Vmix Call audio from the guest. We ended up letting Vmix do the vmix call audio to maintain the mix minus automatically while sending it out to the console (over another bus) to be sent to the set monitors as well.
This lead to situations where we had picture and thought we had sound from the Vmix Call but since we couldn't consistently PFL in Vmix without triggering the audio to the stream we would put them up only to pull them down and have to reconnect the call.
I would love to figure out how to get Vmix Call audio from our computer into a console that has the full control while still allowing us to send mix minus back to the guest. Last year we used a 16 channel mackie analog console. This way the console operator can have full control and confirm we have sound from our guest without pushing the audio onto the stream too soon.
This year I have the budget to buy something like a Behringer X32, Yahmaha Dante etc. I have searched and searched and haven't seen anyone explain how to do this. Hoping I haven't missed it....looking forward to hearing what you all have to say!
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Rank: Advanced Member
Groups: Registered
Joined: 4/23/2017(UTC) Posts: 1,480  Location: Germany Thanks: 3 times Was thanked: 194 time(s) in 174 post(s)
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The way I do it is to use multiple busses in vmix. But I don't use a mixer I use shure intellimix software on the vmix system. But you could also use any other mixer I/O.
My setup Bus A goes to the live stream Bus B goes to the greenroom (MS Teams over NDI) Bus C goes to the calls Bus D goes to the local PA (video roll ins from vmix mainly) The busses are NOT routed to master. I use the master more or less just for my headphone to get all the signals and identify issues early on. I record MA busses so I get a safety net in case i miss something during live that I want on the recording.
Once the paths are clear you can add audio outputs per bus to mixers, dante, what have you. Make sure on the inputs that you never create a loop with the busses. So for example you extract speakers from the MS Teams over NDI that yo never route the audio to the bus B. Just the sound from local mics or videos you route to bus B. This way you avoid a loop and all sound is crystal clear.
Feel free to take a look at the third party software section in this forum. People have created amazng helpers with AI in case you miss some specials.
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Maintaining Mix Minus from audio console
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