Thought I'd start on trying to fix the rest of the audio not covered by the mod. 

Obviously certain things will be broken or not do-able with it being a hl2 conversion, but can at least try do some QoL bits.

What does it change?

All zombie noises are now black mesa.
Vort attack and footsteps added.
All weapon sounds are now black mesa.
Adjusted some of the weapon sounds to fit VR instead of full reloads.
Removed shell casing audio as its a single surface and spamming the smg gets annoying.
Ammo, Health and Suit Charging noises all updated.

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Install

Navigate to your EP2 install 
"YOURDRIVE\SteamLibrary\steamapps\common\Half-Life 2 VR\ep2vr"

Create a folder called custom
"YOURDRIVE\SteamLibrary\steamapps\common\Half-Life 2 VR\ep2vr\custom\"

Drop the extracted folder into this custom folder.

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Will try fix a few other bits if I can as and when i play through the campaign. 

For extra QoL i recommend using -

Alyx Headcrabs - Steam Workshop
Black Mesa Glock - Steam Workshop
Black Mesa Hands - Steam Workshop
Realistic Blood and Decals - Steam Workshop
Necrotics Classic Zombie - Gamebanana (This is a better than default HL2 zombie) / Alyx Zombie / HL1 Zombie whatever you prefer.
Juniez Weapon Pack - Gamebanana (Get the loose files version from here as you can delete the sounds folder for the BM ones to take over whislt getting the higher quality base guns)

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Enjoy