Ah, it appears to be a case of a lack of understanding my end. I was unsure as to what %~ni did, until I read sev's post several times over. Everything appears to be going fine so far, except for the fact that I can't find anything to do whilst I wait.
*RE-EDIT* Nope, still confused... I've followed the guide and am about to run the batch process, but the command line sev posted has me confused if I should. As I'm converting .smk to .png and .wav, do I need to change the command "for %i in (*.smk) do encode_dxa.exe --vorbis %~ni" to &quo...