Not satisfied with the current line-in recordings, I was trying to get my own rip of Liberation Maiden's soundtrack. The game seems to use some sort of .wav format that I can't figure out how to open or convert. I have no idea what I'm doing... if you think you can help, here are a couple of the sound files:

https://www.dropbox.com/sh/37rejtykhg1djte/2kb0s4nnXt

I tried it in foobar and it told me "Missing ACM codec". you probably have the wrong files, because these are only 10-19 secs long. how did you get access to these anyway?