The russianaudiomod.zip file you have requested: Clear Sky / Mods / Sound and Music / Russian Audio Mod - 42.49mb is not available. Perhaps try browsing all files for the game S.T.A.L.K.E.R.: Clear Sky and upload any files you want to share or are missing. This is the only information we could locate:
This mod will replace some of the English audio files with the ones from the Russian release. It only affects combat and random stalker speech. It doesn't affect the scenario speech so the storyline will still be in english.