You always can take a look at the SNDINFO lumps from the wad0.wad in the basev subdir of Heretic and Hexen to give yourself an idea of how the ambient sounds work in Vavoom, hope that my suggestion can help you! <!-- s:D --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt=":D" title="Very Happy" /><!-- s:D -->