Convert And Setup *.ogg
About
*.ogg is a special sound format. It needs setup for proper playback in the game world and AI response.
Convert via Blender
Blender has build in render in Vorbis codec.
Open Render -> Render Audio... when in Container select Ogg. In Codec select Vorbis. Mixdown.
Convert via ffmpeg
Creating using ffmpeg.
Convert WAV to OGG
ffmpeg -i input.wav -c:a libvorbis -q:a 10 output.ogg
Convert and setup via SDK
The sound file must be in the source *.wav format.
To convert *.wav to *.ogg with SDK setup, you need to drop the file into the rawdata\sounds folder
If there is no sounds folder in rawdata, you can just create a folder.
Open Actor Editor -> Editors -> Sounds -> Sound Editor.

In the window that opens you will see your file, click on it and setup.

Setup via SAVANT
The sound file must be in the *.ogg format.
Sound Attribute Viewer And Tweaker - This is a fan program for editing *.ogg.
Download and open SAVANT and select the directory with your sound.

Now you can setup your file.