I made a voice chat mod for some game, and recently my users have noticed cracklng in others voice when count of speaking players > 1, no matter how sound loud or far away, crackling always there if more than one player speaking at the same time in hear zone. I tried to use limiter dsp on voice chan…

Hi, Thank you for the code. What version of FMOD are you using? I will link this forum which has discussed solutions for VOIP issues: Vivox to Unity OnAudioFilterRead to FMOD programmer sound. Stutters/crackling - #15 by dougmolina Sounds like an issue related to the buffer size, an option may b…

Hello, I’m using version 2.03.08 build number 153137, I tried to increase buffer count and size using storage->system->setDSPBufferSize(9600, 12); but it had no effect, unfortunately I don’t really understand what can cause this problem and what I should do I don’t know how FMOD works internally…

Thanks for confirming that. With the logging libs are you able to call FMOD Engine | Core Api Common - Debug::Initialize and share any logs please. Just to confirm, are you exclusively working in the Core API? An alternative method for playing mic input is using our FMOD Engine | Core Api System …

Thank you for sharing the solution!

Voice chat sounds crackling

FMOD Engine

fwflunky September 9, 2025, 10:28pm 5

nevermind. the problem was in opus decoder, it was necessary to create an decoder instance for each player instead of just one

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Voice chat sounds crackling

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