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Sound is very bad on street event
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Joined: 7/27/2019(UTC) Posts: 41  Location: BGD Thanks: 5 times
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Where did i go wrong? Please watch this live event and hear the tone... we have used two mobile phones... And every time we use it for live event we get something like this... ?t=410 and other Youtube channel that has also broadcasted same live event sounds great
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Joined: 12/20/2016(UTC) Posts: 182   Location: Milano Was thanked: 21 time(s) in 13 post(s)
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Don't use "technical problems" to make propaganda here please!!!
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Originally Posted by: spino  Don't use "technical problems" to make propaganda here please!!! we are NEWS channel covering a lot of event LIVE, if this was propaganda then the video and sound would be perfect... also this event was on SERBAN language and it is not something that 98% of this forum people will understand... this "riots live broadcast" we already discussed last year.. i guess that is also propaganda? https://forums.vmix.com/...dations-for-street-riotswe just implemented that idea now i guess u owe us apology...
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Originally Posted by: autarh Don't see any responses (discussion) there Not a good idea to link to an hr long "coverage" And maybe post the question as a general issue regarding remote feed from mobile audio issues or something (with a short general example) of which i am certain many posts are to this here and elsewhere Have you tested the setup in other situations ? Sorry but this is a weird statement Quote:we are NEWS channel covering a lot of event LIVE, if this was propaganda then the video and sound would be perfect...
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Rank: Advanced Member
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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hi doggy
we are using VMIXCall regularly for a interviews that are something long two hours... very rarely we notice a delay (let we say onec in 10 interviews, and it is incremental ) ... but we fix it after it in editing
the issue here, on live street event, is like there is some sort of "noise reduction filter" involved.. but i check it and everything seems fine...
we have used different mobile phones.. and situation is the same...
Concerning long "long hours" on these event , we can always disconnect and connect on regular basis ... but we did not see there is any issue ..
...only this sound issue.
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Rank: Advanced Member
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Rank: Advanced Member
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: doggy Smartphone microphone ? Yes...
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Joined: 12/20/2016(UTC) Posts: 182 Location: Milano Was thanked: 21 time(s) in 13 post(s)
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Originally Posted by: doggy Originally Posted by: autarh Don't see any responses (discussion) there Not a good idea to link to an hr long "coverage" And maybe post the question as a general issue regarding remote feed from mobile audio issues or something (with a short general example) of which i am certain many posts are to this here and elsewhere Have you tested the setup in other situations ? Sorry but this is a weird statement Quote:we are NEWS channel covering a lot of event LIVE, if this was propaganda then the video and sound would be perfect... Exactly Doggy!!!!
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Don't use vMixCall for this kinda stuff. Use SRT. I do some "from the street" ingests as well and use SRT with no issue really at all. 10 concurrent "mobile reporters" is no problem really.
The propaganda topic:
Can we please focus on the technical side and help each other, like humans usually do. Just because mainstream media is reporting "one" version does not mean that it's reality and true. In crisis like this, the first thing that is lost is truth. And if the west is so democratic it should withstand other opinions. Diversity, respect, freedom of speech are the base pillars of our culture.
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: mavik Don't use vMixCall for this kinda stuff. Use SRT. I do some "from the street" ingests as well and use SRT with no issue really at all. 10 concurrent "mobile reporters" is no problem really.
The propaganda topic:
Can we please focus on the technical side and help each other, like humans usually do. Just because mainstream media is reporting "one" version does not mean that it's reality and true. In crisis like this, the first thing that is lost is truth. And if the west is so democratic it should withstand other opinions. Diversity, respect, freedom of speech are the base pillars of our culture. can u give more info about SRT , i guess u do not mean subrip format for subtitles , also can i connect multiple phones in vmix via SRT? also i agree on "political part" completely with u ... i did not want to have politics in this topic but the LIVE EVENTS from the streets are where we have a problem, and those are , on our channel, always politics ... it will be great if someone from VMIX can tell us why this issues happens with audio...
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With vMixCall you use webRTC which is not the best pick for streaming in crowded areas over a 4/5G network. This is where SRT (secure reliable transport, you are right, not the subtitling) shines.
Please download an app that supports SRT first hand. Larix broadcaster is one good example. SRT has 3 modes. Caller, listener and Rendezvous. I use the caller setup on the mobile, calling into the studio. The studio setup needs the vMix computer NAT'ed and allow the ports you specify in the setting through the firewall.
srt.//[public-ip-of-studio]:[open-port-in-firewall]
So when the remote side makes the call router needs to forward the data to the vMix computer (NAT) and that particular port. If you have a second or more remote contributers you need to open a port for each.
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Rank: Advanced Member
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: mavik With vMixCall you use webRTC which is not the best pick for streaming in crowded areas over a 4/5G network. This is where SRT (secure reliable transport, you are right, not the subtitling) shines.
Please download an app that supports SRT first hand. Larix broadcaster is one good example. SRT has 3 modes. Caller, listener and Rendezvous. I use the caller setup on the mobile, calling into the studio. The studio setup needs the vMix computer NAT'ed and allow the ports you specify in the setting through the firewall.
srt.//[public-ip-of-studio]:[open-port-in-firewall]
So when the remote side makes the call router needs to forward the data to the vMix computer (NAT) and that particular port. If you have a second or more remote contributers you need to open a port for each. ok, something similar like old UDP-TCP stream on VLC ?
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SRT uses udp with some security layer wrapped around, yes. It's open source. Feel free to get more insight from haivision.
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: mavik SRT uses udp with some security layer wrapped around, yes. It's open source. Feel free to get more insight from haivision. now i understand, i can see it can listen talk and rondevus? .. is this mean i can have a communication with studio ? also what du u recomend which software i can see u have recommended Larix broadcaster , i can not see haivision has some mobile app
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Rank: Advanced Member
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Joined: 4/23/2017(UTC) Posts: 1,212 Location: Germany Thanks: 3 times
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Haivision invented SRT.
With Larix you can have a talk back. It works like a charm. Make sure you use a headset otherwise you will have an echo of the talkback picked up by the microphone again.
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 1 user thanked mavik for this useful post.
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: mavik Haivision invented SRT.
With Larix you can have a talk back. It works like a charm. Make sure you use a headset otherwise you will have an echo of the talkback picked up by the microphone again. Thanks ! i will test it today!
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: autarh Originally Posted by: mavik Haivision invented SRT.
Thanks !
i will test it today!
Hi i have finally tested it ... i have some issues with port forwarding , then i realize that it should be UDP instead of TCP ... and it worked great... i also change DNS zone on provider so i now have srt://live.mywebsite.com:portnumber Daily driving in wood with low reception from mobile operators Night driving , under snow, and switching two mobile operators.. what i have noticed... first 10 seconds is problematic ... after that it is great .. no loss of video and so on ... Larix app do not like "ZOOM IN/OUT" it get stuck on my phone In Sunday we will have again live event and we will try to use 3 mobile phone with larix... ONLY THING that did not work is RENDEVOUZ settings ... i can not make it to work .. do u have any idea?
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Rank: Advanced Member
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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one more observation...
latency was 2 seconds... and on both video it has CUT two last second ...
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Rank: Advanced Member
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Joined: 4/23/2017(UTC) Posts: 1,212 Location: Germany Thanks: 3 times
Was thanked: 168 time(s) in 150 post(s)
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I have to admit I never tried rendezvous mode. Caller or listener is working for me perfectly.
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1 user thanked mavik for this useful post.
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Rank: Advanced Member
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Joined: 7/27/2019(UTC) Posts: 41 Location: BGD Thanks: 5 times
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Originally Posted by: mavik I have to admit I never tried rendezvous mode. Caller or listener is working for me perfectly. how do u comunicate with studio ?
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