[CrashReport]UE4Editor-AudioMixerXAudio2!Audio::FMixerPlatformXAudio2::OpenAudioStream(Audio::FAudioMixerOpenStreamParams const &) [AudioMixerPlatformXAudio2.cpp:951]

Audio - Jul 15, 2021

This issue is occurring on startup for users. This could be potentially related to a recent Windows Update. ...

Audio Capture Component Crashes When Unplugging Mic/Headset

Audio - Jun 9, 2021

Audio Capture Component does not appear to be handling external device swaps appropriately, and has a delayed crash that will occur if an in-use mic is unplugged. At a glance, it appears to involve ...

Assertion failed: IsValid() in AudioDeviceManager.h related to dragging and dropping cues into the viewport

Audio - Feb 23, 2021

I was not able to reproduce this issue with the user given repro steps, however the crash has occurred for multiple users according to Crash Reporter, so it is worth investigating more into ...

Activate Reverb Effect node fails to activate when placed behind a Delay node

Audio - Feb 3, 2021

It seems that the Activate Reverb Effect node is no longer functioning when put behind a Delay node. In the test project, there is an empty actor with a Event Begin Play connected to a Delay node wh ...

Granular Synth crashes project when played in standalone or packaged with assertion failure

Audio - Jan 5, 2021

Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...

Add Submix Effect Blueprint Does Not Have Any Effect

Audio - Dec 11, 2020

Adding a second effect to the Submix Effect Chain on a Submix works as expected, but when trying to add a Submix Effect via Blueprint, there is no effect.  This also applies to "Add Master Submix Ef ...

Niagara Oscilloscope hangs indefinitely in cooked build

Audio - Dec 9, 2020

Cooked games will hang on startup when using the Oscilloscope data interface due to an indefinite wait in FNiagaraSubmixListener::UnregisterFromSubmix  When setting GCVarEnableAudioCommandLogging t ...

FRemoteTalkerDataImpl uses raw pointers to UVoipListenerSynthComponent and UVOIPTalker

Audio - Nov 20, 2020

The garbage collector is not aware of the pointers to VoipSynthComponent and CachedTalkerPtr in FRemoteTalkerDataImpl, which may lead to garbage data and access violations when the engine is shut do ...

Editor crash when ticking then unticking "Toggle Visualization" in a Google Resonance Spatialization Settings window

Audio - Oct 23, 2020

This is a user reported crash, I was able to re-create in 4.25.4. I'm also assuming this happens in 4.26, however there is a current blocker that stops me from opening this project in 4.26. Linked ...

SessionFrontend Causes Lost Audio on iOS After Switching Apps

Audio - Oct 20, 2020

When using SessionFrontend on some devices, when leaving the app (going to the home screen or another app) or sometimes locking the device there is no more audio after returning to the game. "It lo ...