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How to troubleshoot vMix call problem
cbpayne
#1 Posted : Thursday, 11 January 2018 7:40:59 AM
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I really want to use vMix to stream live to Facebook with 2 guests via vMix call.

Have been using Zoom.us up to now with no problems, but want to change as vMix offers a lot for functionality.

Today was the second week in a row that I have tried with vMix and at the last second as to revert to zoom to do it due to issues with vMix call.

The issue today was a delay in video; video freezing and poor audio quality with one guest (the other guest was fine)- I played with settings and could not sort.

At the last second we shut down vMix and went to Zoom and the video and audio from that guest was fine (so I assume that means the problem was not on her end)

Not sure where to start troubleshooting this ... anyone have any idea?
mjgraves
#2 Posted : Thursday, 11 January 2018 9:18:53 AM
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Test.....Test.....Test.....Test.....with your guests, well in advance of the show/

There are a number of factors to be aware of:

- Their basic ability to connect to vMix Call (ie not be blocked by a corp firewall)
- Their available bandwidth in both directions
- Their ability to select/use the correct audio device
- Their ability to select/use the correct camera
- Their computer's specifications
- Don't let them run any unnecessary programs that might slow the system
- Don't let them rely on Wi-Fi

If they have webcams don't reach for insanely high-resolution or frame-rates. Most built-in webcams can only support 720p30.

Zoom is itself a webrtc-based service. That is, if they're joining using a browser. It's just less bandwidth intensive since it's compositing the streams at the server.
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