Audio missing from HL70-04 in doorway

Issue Type (Required):

Audio

Issue Description (Required):

no audio when entering through a certain doorway, no sound from enemies or warning about bursters.

Steps to Reproduce (Required):

Play HL 70-04 and walk through specific doorway.

It only cuts out while you are within 10 meters or so of the doorway itself.

This is a constant audio bug and cannot be avoided due to the nature of the levels design.

Mission Name (Optional):

Mercantile HL-70-04

[PC] Do You Use Mods? (Optional):

Yes, and I’ve tried disabling them

Reproduction Rate (Required):

Constant (100%)

Platform (Required):

PC - Steam

Player ID (Optional):

Upload Supporting Evidence (Optional):