Phaser module is malfunctioning

UE - Audio - Apr 9, 2019

The phaser module that is part of the new Audio Engine causes audio from a Sound Cue to mute after playing for one second. The user states that the issue comes from the Phaser.cpp file producing a N ...

Tooltips for Exterior LPF and Interior LPF are reversed

UE - Audio - Mar 13, 2019

The tooltips for the Interior LPF and Exterior LPF are reversed where the Interior LPF has the Exterior LPF's tooltip and viceversa. Tested in 4.21.2 (CL - 4753647), 4.22 (CL - 5385847), 4.23 (CL - ...

OnAudioPlaybackPercent doesn't work after restarting the project

UE - Audio - Feb 7, 2019

Using the OnAudioPlayback event in Blueprints does not work when playing the audio component its connected to while PIE, after restarting the project. Tested in 4.20.3 (CL - 4369336), 4.21.2 (CL ...

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

UE - Audio - Jan 11, 2019

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

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

UE - 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. ...

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

UE - 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

UE - 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

UE - 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

UE - 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

UE - 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) ...