Crash when audio device is unplugged and the audio mixer engine is in use

Audio - Jan 11, 2019

The Editor crashes when using the new audio mixer and adding/removing a USB headset to the PC. ...

Platforms that allow for configurable VOIP sample rates do not respect config values

Audio - Jan 8, 2019

Because of when GetEnumValueFromString (called by GetVoiceSampleRate) executes for certain modules at load time, the global enum master list is empty, which leads to the config value not being parsa ...

Audio: Spatialization: Set Allow Spatialization BP command is not functioning

Audio - Oct 1, 2018

Reported via AnswerHub on 4.19 and confirmed in Dev-Audio, the Set Allow Spatialization widget in BP appears to not be functioning - as the audio does not become spatialized in playback. ...

New Audio Engine Crashes on Game Start

Audio - Sep 7, 2018

The built game crashes on start after setting the spatialization, occlusion, reverb plugins to Steam Audio  Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132),  4.21 (CL - 4348893) ...

Codegen Templates for Source Effects, Submix Effects, and Synthesizers needs updating

Audio - Aug 31, 2018

Code gen templates need to be updated according to changes made to the OnGenerateAudio API. ...

Crash on Level Reload in Standalone when Set Sound Mix Class Override is called

Audio - Aug 29, 2018

When the Set Sound Mix Override is called, reloading the level causes a crash when played in Standalone. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4324949) ...

Audio Attenuation falloff is applied even when turned off when called in Blueprints

Audio - Aug 24, 2018

The Sound Attentuation is not ignored when disabled as audio played from a Blueprint. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4313833) ...

Assertion failed in FAudioDevice::UnregisterSoundClass when GC

Audio - Aug 13, 2018

The licensee reported that check(IsInAudioThread()) was failed in FAudioDevice::UnregisterSoundClass when GC. The following is the call stack: 1 #00 pc 030d7b58 libUE4.so HandleError (/home/pirates ...

Android mic stops capturing audio after 2nd load of app

Audio - Aug 1, 2018

The Android app stops capturing audio on the second loading. Tested in 4.19.2 (CL - 4033788), 4.20.1 (CL - 4239966), 4.21 (CL - 4243265) ...

Audio Components ignoring Start Time set by Play node

Audio - Jun 22, 2018

The Audio Component play with no delay despite there being a wait time being passed in the Play node. This was found in 4.19.2 (CL - 4033788) and tested in 4.18.3 (CL - 3832480), 4.20 Preview 3 ( ...