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Cyril Mamai  
#1 Posted : Monday, March 18, 2019 10:29:45 PM(UTC)
Cyril Mamai

Rank: Newbie

Groups: Registered
Joined: 3/18/2019(UTC)
Posts: 1

Hello, we are using Vmix for cybersport tournaments.
We running software on Obsidian configuration.
We use Vmix Call for the remote commentators (ussually 2 people), so they may see the actual game and we get the voice back.

Few last times during the stream I was experiencing problems with Vmix call.
The latency of call increasing with the time up to 400-700 ms, it happens for 10-20 minutes of air. Than the audio becomes unstable with the artifacts.
After this ussually the disconnection error appears on screen.

Also You may check recorded video below.

As the sound interface I am using the Zoom L-12 mixing panel, ASIO 2.0 drivers, audio mixed via Vmix. Driver latency is 1024 samples.
The CPU usage is below 70%, GPU is under 60%.
We utilizing wired high speed Ethernet connection. So it seems its not a TCP congestion problem.

Looking forward for tips how to fix it.

Cyril Mamai
#2 Posted : Tuesday, March 19, 2019 6:51:05 PM(UTC)

Rank: Advanced Member

Groups: Registered
Joined: 4/23/2017(UTC)
Posts: 331
Location: Germany

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Vmix call should be P2P connection. In case the participants can't exchange data directly a TURN server will be the central point. If that was used it might be a shared resource which you might have suffered from.
I don't know how familiar you are with NDI. There are solutions out there that transport NDI over WAN (sienna, medialooks) that you might want to check out as an alternative.
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