Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
Although windows sound recorder does have the capability of changing a wav to these settings it has never worked properly for me in tha past. Speak to a pirate (usually found on the bay) and find your self a simple audio editing program. take your mp3.. and save/export to a wav with either the 22 or 44 kHz settings.