UE4.22中关于Sound Submix的频谱分析

1.在defaultEngine.ini输入

[Audio]

AudioDeviceModuleName=AudioMixerXAudio2

2.开启插件Sound Utilities 和 TimeSynth

3.编辑器偏好设置

4.用快捷方式打开Editor.exe (可省略)

"C:\Program Files\Epic Games\UE_4.22\Engine\Binaries\Win64\UE4Editor.exe" "D:\UE4project\A422\A422.uproject" -audiomixer

5.创建一个蓝图添加组件

参考：https://forums.unrealengine.com/development-discussion/audio/116874-new-audio-engine-early-access-quick-start-guide