.VAB sound file contents

[Sezzary]

1ST/BASE.VAB: Common gameplay and UI SFX.
1ST/COATION.VAB: Unused boot screen SFX.
SND/DRILL.VAB: Chainsaw and rock drill SFX.
SND/FIRST.VAB: New game start SFX.
SND/FUEL.VAB: Melee weapon SFX.
SND/HYPER.VAB: Hyper blaster SFX.
SND/MAP***.VAB: Censored map-specific SFX without child audio samples.
SND/MEP***.VAB: Uncensored map-specific SFX with child audio samples.
SND/PISTOL.VAB: Handgun SFX.
SND/RIFEL.VAB: Rifle SFX.
SND/SAW.VAB: Chainsaw SFX.
SND/SHOTGUN.VAB: Shotgun SFX.
SND/UFO.VAB: UFO ending music samples.
Everything else: Music samples.

e_Sfx enum entry order doesn't appear to be 1:1 with 1ST/BASE.VAB, and also refers to the only sound contained in SND/FIRST.VAB as its first entry.

[IlDucci]

SND/MEP***.VAB: Supplementary map-specific SFX?

I just compared all MEP*** contents with their MAP*** counterparts and I can confirm that the only difference is that MEP*** have the children enemy audio samples, while MAP have the monstery, censored ones.