Hey Prizenka
yes you can turn off the sound, but depending on what you mean exactly, there's different ways of doing so..
If you want to mute the tip sounds, you can open the litle cogwheel besides users and then there's a "Tip Volume" meter you can turn all the way down
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if this is not what you meant, and you want to mute your microphone, there's a few different options, if you use the internal system or the stream master browser, there should be a "mute" button under your Microphone settings that you can click:
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if you use external OBS, there should also be a speaker button you can push on your Mic/Aus input under the Audio mixer, this will also mute/unmute your microphone
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