There's always confusion regarding the requirements for audio files for JK2 and JKA. Hopefully this thread can lay it out plainly for those with issues. It's always recommended to use the free program called Audacity or I personally recommend ocenaudio (a fork of audacity), since it can do a lot of simple things easily, and is cross platform. There is also a free web tool that people use nowadays as well here. NOTE: there is a known issue with Audacity where it will export in the right sett