This is the retarded bug in question...
http://www.youtube.com/watch?v=jzNmo_PGp4o
From my past experience with games (not that i've ever seen such idiotic sound bug in my entire 16 years long gaming history) this problem has something to do with the sound cache or stuck sound buffers. Crytek apparently has no intention on ever fixing this so i'm looking into the problem myself, so i can finally finish this rubbish game and throw it in the bin later on.
Any clues about the possible console commands or command line switches that in any way involve sound cache or sound buffers?