I just did a fresh install and accessing it through a mobile browser. It’s picking up background noises from the mic, but on meet.jit.si it’s totally silent on the same scenario.
If your install was really fresh, Meet.jit.si deployment seems to have some option on noise suppression.
But I couldn’t find that option in config.js
I also want to know how to setup noise suppression option.
If you find answer, please share it here.
Anyone can give answer here?
The noise suppression is enabled by default. It can be disabled by setting disableNS in config.js. Check also disableAEC, disableAGC, disableAP, disableHPF
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Really thank you.
Can you explain simply about AEC, AGC, AP, HPF functions?
And how NS works? in server(algorithm implemented in java)? or webRTC setting(javascript)?
I want to peek into how NS works.
Thanks again 
IIRC
AEC: echo cancelation
AGC: auto gain control
AP: audio processing
HPF: High pass filter
Everything is in the client, implementation in the browser.
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Yes. I did this over a week ago and just noticed the echo recently. I updated everything to the latest version and echo is now gone
Congratulations!