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Master output headphones post fader
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KeithB  
#1 Posted : Saturday, May 15, 2021 8:23:12 PM(UTC)
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When soloing any audio inputs, or buss, the audio is post fader so represents the actual level setting.
In the case of the master output, the level is pre fader. Not sure why.
This led to an error on a web cast where the master mix was heard in the headphones but the master fader was down so no audio to the live stream!

The ask here is set master audio monitoring to post fader. (or an explanation as to what the benefit is to a pre fade master)
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lindend  
#2 Posted : Monday, August 2, 2021 1:36:34 AM(UTC)
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Originally Posted by: KeithB Go to Quoted Post
This led to an error on a web cast where the master mix was heard in the headphones but the master fader was down so no audio to the live stream!


We had the exact same issue yesterday streaming our church service. Was listening to the monitor audio and thought everything was ok. The master was muted so our viewers heard nothing and were posting like crazy that there was no audio. Was really short handed so it took a while to realize the problem and even longer to realize that the master was muted.

Would REALLY love for the monitor to be post all audio processing so we can hear what the viewers will be hearing.
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gyarnell  
#3 Posted : Thursday, December 2, 2021 3:59:46 AM(UTC)
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Yes, same problem. We have to watch the visual output level indicator to try to balance our streamed output. Monitor via headphones doesn't help.
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gyarnell  
#4 Posted : Wednesday, May 18, 2022 7:31:14 AM(UTC)
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I figured out a work-around to this problem. We have a pretty simple setup, so the work-around may not work if your setup is more complex.

Inputs:
PTZ Camera
Audio mixer board
Powerpoint slides
MP4 video

I ended up connecting all audio inputs to channel A as well as the Master output. I configured channel A output to a set of headphones. Enabling channel A adds its fader to the internal mixer. I configured the Master and channel A outputs identically using the Gear, and set their faders to the same levels.

Since our setup is pretty simple, we balance the individual mics attached to the sound board on the sound board. I can now adjust the sound board input slider and monitor vMix output using the channel A headphones. Same goes for the audio level from the MP4 video input.

Greg Y.
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knbPixels  
#5 Posted : Friday, May 9, 2025 10:27:26 PM(UTC)
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+1
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spinfold  
#6 Posted : Saturday, May 10, 2025 2:14:36 AM(UTC)
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Originally Posted by: knbPixels Go to Quoted Post
+1


This is an old thread and PFL (pre fader) was introduced in v27.
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mavik  
#7 Posted : Monday, May 12, 2025 6:47:35 PM(UTC)
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I use a button on the stream deck with an activator to get the master audio status and adding a shortcut master audio is easy to see and resolve.
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knbPixels  
#8 Posted : Wednesday, May 21, 2025 4:37:00 AM(UTC)
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Originally Posted by: spinfold Go to Quoted Post
Originally Posted by: knbPixels Go to Quoted Post
+1


This is an old thread and PFL (pre fader) was introduced in v27.


How does the addition of PFL relate to an option to make the master headphone output be post fader audio?
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knbPixels  
#9 Posted : Wednesday, May 21, 2025 5:52:24 AM(UTC)
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Originally Posted by: mavik Go to Quoted Post
I use a button on the stream deck with an activator to get the master audio status and adding a shortcut master audio is easy to see and resolve.


That doesn't solve the issue...we need the ability to listen to master out from the headphone output where the mix is not all the assigned input pre-fader. It makes no sense if we can solo channels and listen PFL to channels individually, and the master headphones output is all inputs assigned to master, but still prefader level. IMHO Master out listen should always be post fader level, so you are listening to what it actually being send to master.
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