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Greater latency with vMix - vMix as opposed to vMix Call on Chrome
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roverradio  
#1 Posted : Tuesday, March 24, 2020 1:43:17 PM(UTC)
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I'll check out SRT soon..that may help with the issue below. But, in the meantime...

We have many vMix Pro machines. If we use vMix call to do vMix to vMix, the latency is quite high (audio is off by seconds). However, if we use Chrome to place a vMix Call on that same machine instead of vMix, it works with very low latency (60 ms).

Not the result I would have expected. I would have expected vMix to vMix to better than Chrome/vMix Call to vMix. The reason we want to do that (instead of Chrome) is to allow complex API calls from machine to machine for switching/routing.

On 23.46. 100 Mbit up and down on fiber.

Anyone else with multiple installs of vMix seeing this behavior?
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admin  
#2 Posted : Tuesday, March 24, 2020 3:54:57 PM(UTC)
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Make sure that when adding call inputs to vMix that Low Latency is Unticked.

This may seem counter intuitive, but latency will actually be worse with this enabled if it is not a solid fibre connection on both ends.
(And with network congestion on the rise on the internet in general at the moment, a solid connection is not always possible, even on fibre)

Regards,

Martin
vMix
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roverradio  
#3 Posted : Wednesday, March 25, 2020 2:33:30 AM(UTC)
roverradio

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Interesting, will give that a shot in the next 24 hours.

I had to Change each input an setup "new" calls, as I don't think there is a way to tick/untick low latency except on setup, correct? If so, perhaps could be an option sometime in the future so you don't have to set them all up again.

Thanks!
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