Oh, that is weird. I built the package on the first post, and I get no audio. I tried rebuilding it after formating my SD card using the hp tool, and still had no audio. So I built it again and then swaped out the packaged kernel with htc-msm-linux @ 20111017_080427 and the audio worked though a bit low on the volume for my tastes.
I also tried using the
AcousticRAPH100CSV's.zip posted over at XDA and my own CVS files with no difference (not that I expected any).
I will try downloading the whole thing again, and see if it behaves after another rebuild.