make sure your folder structure is correct, with the examples posted here your folders should look like this:
modfoldername(preffered) or main / sound / music / soundfile.xxx
and offcourse the csv in the soundaliases folder with the header too
here is a snippet of my file if it looks like this and is placed like described it should work ("my folder name here is fmj")
name,sequence,file,vol_min,vol_max,vol_mod,pitch_m in,pitch_max,dist_min,dist_max,channel,type,probab ility,loop,masterslave,loadspec,subtitle,compressi on,secondaryaliasname,volumefalloffcurve,startdela y,speakermap,reverb,lfe percentage
deathx,1,fmj/death01.mp3,1,1,,,,1000000,,auto,streamed
deathx,2,fmj/death02.mp3,1,1,,,,1000000,,auto,streamed
deathx,3,fmj/death03.mp3,1,1,,,,1000000,,auto,streamed
deathx,4,fmj/death04.mp3,1,1,,,,1000000,,auto,streamed
deathx,5,fmj/death05.mp3,1,1,,,,1000000,,auto,streamed
deathx,6,fmj/death06.mp3,1,1,,,,1000000,,auto,streamed
deathx,7,fmj/death07.mp3,1,1,,,,1000000,,auto,streamed
deathx,8,fmj/death08.mp3,1,1,,,,1000000,,auto,streamed
deathx,9,fmj/death09.mp3,1,1,,,,1000000,,auto,streamed