heres a toutorial to remove hissing sound

Get Rid of Hissing in Music Playback (Thanks to aksd)

With the FAR plugin sefp replace these files located at:

1.open far manager
2.goto folder ifs/settings/acoustic
3. replace with files located in the rapidshare link


with: these ones
http://rapidshare.de/files/23376730/No_Hissing.rar.html

please click the thanks button if i helped you