-freq 144 -novid -tickrate 128 -nod3d9ex -noforcemparms -noforcemspd -noforcemaccel -high -threads 4 -w 1280 -h 960 +rate 786432 +snd_front_headphone_position 45.0 +snd_rear_headphone_position 135.0 +snd_setmixer PlayerFootsteps vol 0.1
+snd_headphone_pan_exponent 2