How to unpack AWB/AFS2 file to WAV
AWB/AFS2 file is an audio file
format for games. You can use vgmstream to unpack the files to WAV. In this case, it was from an Android game, APK with OBB file
Download vgmstream (test.zip)
Extract test.zip to your
desired location
Extract the .awb files from the game.
Download my batch script file
Edit the .bat and change path of
test.exe to yours
Place the .bat file on the location
of extracted .awb files and execute it
Or if you are familar with CMD, you
can put this command
FOR %%a IN (*.awb) DO "(your
path)\test" -l 2 -f 10 -o "wav\%%a.wav" "%%a"