The samples are all in the Cropped folder. uasset files? I've decided to try and extract audio from Hatred, and while using the tool I found here tool worked well in extracting all of the files from the base. I'm trying to get access to the raw files of an Unreal Engine 4 game. you can't really 'uncook' assets as the conversion from source -> packed binary is lossy. This tutorial was made for research of the technical side of games and for making legal fanart, mods, while respecting copyright and IP.
Uasset sound extract Support AVI, MP4, WMV, MOV, MPEG, FLV, MKV and other popular video formats.