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NDI Excessive Source Drops from vMix NDI Source only
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Hi,
I am looking for some guidance on remedying NDI drops on a new Laptop. The peculiar thing is it only drops when the source is from a vMix output (1-4). Any other NDI source such as Birddog cameras, Cinergy Playout Software, Kiloview SDI to NDI Converter are all perfect. It is only vMix sources that have a problem. I have ruled out the network as any other computer on the same network and cable works perfectly. I have even tried external USB to ethernet adapters with no luck.
The computer is a Lenovo 13th Gen Intel(R) Core(TM) i9-13900HX with 32Gigs of Ram and a 4080 graphics card running Windows 11 Home.
I have been struggling with this for a few months trying to resolve the problem. I have reinstalled Windows, made sure the Network driver was current, updated graphic drivers etc. I was running vMix26, but have since upgraded to vMix27, no change. The Problem also shows up on Studio Monitor.
Any suggestions are welcome.
Regards
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If the problem shows even up on studio monitor this must be a lack of resources. vMix is using full NDI as outputs. They are high bandwidth. Maybe take a look at the network utilization.
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What's the negotiated speed of the network adapter? Is it 1GBit/s?
What type and chipset is the builtin network adapter?
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Originally Posted by: mavik  If the problem shows even up on studio monitor this must be a lack of resources. vMix is using full NDI as outputs. They are high bandwidth. Maybe take a look at the network utilization. Hi Mavik, It is unlikely a lack of resources as the specs of the computer are quite high (see original posts for specs) and this happens with only 1 input to the computer. Using the same network-switch-cable combination on a much lower specked computer the NDI feed has no problem, so it is not a network issue as far as I can tell. Also, non vMix NDI sources (Birddog, Kiloview etc.) work perfectly well, it is only vMix NDI sources that exhibit this issue. The problem exists on any vMix source from any computer on the network, so it is not from 1 source or 1 specific computer. So long as it is a vMix souce the drops are very high. I have tried Birddog Dynamo to view the traffic, and I can see all the drops on the vMix souces while every other NDI source is perfect. Maxi
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Originally Posted by: pm What's the negotiated speed of the network adapter? Is it 1GBit/s?
What type and chipset is the builtin network adapter? Hi, it is a 1Gb adapter and I have also tried a 2.5Gb adapter. The default 1Gb adapter is Realtek chipset. As indicated, it is only with vMix sources that the issue exist. Othjer non vMix NDI sources are perfectly fine. Maxi
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Have you tried updating the vMix NDI files manually to the latest available?
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