Oh, shoot! :'( I was hoping someone had done this. I use the BSP tool and found what I think is the elevator sound/wav.
Entity index : 90
Entity origin (X) : 0.000000
(Y) : 0.000000
(Z) : 0.000000
First brush : 0
Number of brushes : 0
Key/Value : classname/ambient_generic
Key/Value : angle/86
Key/Value : spawnflags/2
Key/Value : message/ambience/industrial2.wav
Key/Value : health/7
Key/Value : preset/0
Key/Value : volstart/0
Key/Value : fadein/0
Key/Value : fadeout/0
Key/Value : pitch/100
Key/Value : pitchstart/100
Key/Value : spinup/0
Key/Value : spindown/0
Key/Value : lfotype/0
Key/Value : lforate/0
Key/Value : lfomodpitch/0
Key/Value : lfomodvol/0
Key/Value : cspinup/0
Key/Value : origin/-2840 1392 -364
I tried to strip ambient_generic with and without the origin. Isn't ambient_generic an entity? Thanks Pierre-Marie Baty
for the option, though I didn't really want to go that route.