ImmursionAudio(TM)

code/game/area/areas/away_content.dm

@@ -9,6 +9,7 @@ Unused icons for new areas are "awaycontent1" ~ "awaycontent30"
 	icon_state = "away"
 	has_gravity = STANDARD_GRAVITY
 	ambientsounds = AWAY_MISSION
+	sound_environment = SOUND_ENVIRONMENT_ROOM
 
 /area/awaymission/beach
 	name = "Beach"

code/game/area/areas/holodeck.dm

@@ -4,6 +4,7 @@
 	dynamic_lighting = DYNAMIC_LIGHTING_DISABLED
 	flags_1 = 0
 	hidden = TRUE
+	sound_environment = SOUND_ENVIRONMENT_PADDED_CELL
 
 	var/obj/machinery/computer/holodeck/linked
 	var/restricted = 0 // if true, program goes on emag list

code/game/area/areas/mining.dm

@@ -19,6 +19,7 @@
 	flags_1 = NONE
 	ambientsounds = MINING
 	flora_allowed = FALSE
+	sound_environment = SOUND_AREA_STANDARD_STATION
 
 /area/mine/unexplored
 	name = "Mine"
@@ -86,6 +87,7 @@
 	has_gravity = STANDARD_GRAVITY
 	flags_1 = NONE
 	flora_allowed = TRUE
+	sound_environment = SOUND_AREA_LAVALAND
 
 /area/lavaland/surface
 	name = "Lavaland"
@@ -139,6 +141,7 @@
 	flags_1 = NONE
 	flora_allowed = TRUE
 	blob_allowed = FALSE
+	sound_environment = SOUND_AREA_ICEMOON
 
 /area/icemoon/surface
 	name = "Icemoon"

code/game/area/areas/ruins/_ruins.dm

@@ -7,6 +7,7 @@
 	hidden = TRUE
 	dynamic_lighting = DYNAMIC_LIGHTING_FORCED
 	ambientsounds = RUINS
+	sound_environment = SOUND_ENVIRONMENT_STONEROOM
 
 
 /area/ruin/unpowered

code/game/area/areas/shuttles.dm

@@ -12,6 +12,7 @@
 	icon_state = "shuttle"
 	// Loading the same shuttle map at a different time will produce distinct area instances.
 	unique = FALSE
+	sound_environment = SOUND_ENVIRONMENT_ROOM
 
 /area/shuttle/Initialize()
 	if(!canSmoothWithAreas)