Interesting idea this community update.
As a suggestion i would recommend the inclusion of the OpenAL Soft as discussed there a couple of years ago:
Moddb.com
Would be a good idea as it actually fixes some sound crash sources (the helicopter one by example) from CotZ that are badly managed by the sound engine in CotZ (and from memories some stalker standalone mods are using OpenAL Soft), i'm pretty sure DoctorX would have included that in future updates if he didn't passed away sadly.
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