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Problem with audio over ndi input. Vmix 18 + VLC MP
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Hrynio  
#1 Posted : Thursday, April 20, 2017 5:17:56 AM(UTC)
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At first apologize, my English may be slightly broken :)

I have a problem with sound over ndi input.

Vmix 18 is installd on windwos 10. I added as a new NDI input a VLC media player (VlC is turned on on the same machine and has the NDI Tools plugin installed). Everything works fine for a few hours. After a few hours audio on the NDI VLC input disappears. I have to close that input and add it again, then everything goes back o narmal and fork fine but still only for a few hours and so over and over again.

I have to solve this, I need to broadcast 24/h

Any sugestions?
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DWAM  
#2 Posted : Thursday, April 20, 2017 5:33:54 AM(UTC)
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Hi and welcome to the vMix forum!

what is your source in VLC? A stream? Video playlist?
Are you sure you still have audio in VLC when it happens?

Did you try the same workflow with VLC on another PC?

As a workaround (not a definitive solution) you can write a script that checks audio level and automatically resets NDI input, something like:
if audio level = 0
ResetInput=x (where x is your ndi input number)

You can do this with 4K or Pro versions of vMix but also with vMixUTC if you don't have the good licence.

Guillaume
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Hrynio  
#3 Posted : Thursday, April 20, 2017 5:49:42 AM(UTC)
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In VLC the source of playing materials is audio playlist. Does't need to play video

I think the audio in VLC still working good. Just reset the NDI input in vmix and everything returns to normal (VLC works in the background)

I will try to put the same system today on the other pc, or maybe try to change VLC to some other player.
We will see.
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DWAM  
#4 Posted : Thursday, April 20, 2017 6:24:47 AM(UTC)
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Why don't you use only vMix to play your audio files ? The List input accepts audio files and M3U playlists for example...

I don't know of another player with NDI support...

Did you try to simply use a virtual audio cable like VAC or VBAudioCable or Banana?

Did you try Dante Via?

NDI's main interest is for video. For audio only there are many other solutions...
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Hrynio  
#5 Posted : Thursday, April 20, 2017 7:15:26 AM(UTC)
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I will honestly say that I have't heard anything about something like VAC etc.
Thank you very much for the hint. I will test it :)
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DWAM  
#6 Posted : Thursday, April 20, 2017 7:25:46 AM(UTC)
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thanks 2 users thanked DWAM for this useful post.
Hrynio on 4/21/2017(UTC), stigaard on 4/21/2017(UTC)
Hrynio  
#7 Posted : Friday, April 21, 2017 6:31:17 AM(UTC)
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Yesterday I had some time and I worked a bit.
I uninstaled the NDI tools, installed VB-Audio Virtual Cable, configured it and from yesterday until today it works perfectly :)

In my free time i will still think of the NDI why he lost the sound. Maybe for a weekend I'll install it on another machine and let you know if it works properly.

For now big thanks Guillaume :) :cheers:
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DWAM  
#8 Posted: : Friday, April 21, 2017 6:47:31 AM(UTC)
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Thank you. Glad to hear I could help.

Bien à toi
Guillaume
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