diff --git a/lignumis/prototypes/content/noise.lua b/lignumis/prototypes/content/noise.lua
index e48d2fc..4474df5 100644
--- a/lignumis/prototypes/content/noise.lua
+++ b/lignumis/prototypes/content/noise.lua
@@ -65,9 +65,9 @@ end
 
 -- Walls absorb noise
 
-emit_constant("wall", "wooden-wall", -15)
-emit_constant("wall", "stone-wall", -25)
-emit_constant("gate", "gate", -20)
+emit_constant("wall", "wooden-wall", -25)
+emit_constant("wall", "stone-wall", -40)
+emit_constant("gate", "gate", -30)
 
 
 -- Buildings emit noise
@@ -100,18 +100,18 @@ emit("lab", "biolab", 20)
 emit("locomotive", "locomotive", 200)
 emit_constant("locomotive", "locomotive", 10)
 
---emit_constant("transport-belt", "wood-transport-belt", 2.4)
+--emit_constant("transport-belt", "wood-transport-belt", 2)
 emit_constant("transport-belt", "transport-belt", 3)
 emit_constant("transport-belt", "fast-transport-belt", 4)
 emit_constant("transport-belt", "express-transport-belt", 6)
 emit_constant("transport-belt", "turbo-transport-belt", 8)
---emit_constant("underground-belt", "wood-underground-belt", 15)
-emit_constant("underground-belt", "underground-belt", 20)
-emit_constant("underground-belt", "fast-underground-belt", 30)
-emit_constant("underground-belt", "express-underground-belt", 40)
-emit_constant("underground-belt", "turbo-underground-belt", 50)
---emit_constant("splitter", "wood-splitter", 30)
-emit_constant("splitter", "splitter", 40)
-emit_constant("splitter", "fast-splitter", 50)
-emit_constant("splitter", "express-splitter", 60)
-emit_constant("splitter", "turbo-splitter", 80)
\ No newline at end of file
+--emit_constant("underground-belt", "wood-underground-belt", 7.5)
+emit_constant("underground-belt", "underground-belt", 10)
+emit_constant("underground-belt", "fast-underground-belt", 20)
+emit_constant("underground-belt", "express-underground-belt", 30)
+emit_constant("underground-belt", "turbo-underground-belt", 40)
+--emit_constant("splitter", "wood-splitter", 20)
+emit_constant("splitter", "splitter", 30)
+emit_constant("splitter", "fast-splitter", 40)
+emit_constant("splitter", "express-splitter", 50)
+emit_constant("splitter", "turbo-splitter", 60)
\ No newline at end of file
diff --git a/lignumis/prototypes/content/wood-logistics.lua b/lignumis/prototypes/content/wood-logistics.lua
index 08c3a1f..a575ba8 100644
--- a/lignumis/prototypes/content/wood-logistics.lua
+++ b/lignumis/prototypes/content/wood-logistics.lua
@@ -10,10 +10,10 @@ Belt.EntityBuilder:new()
     :animationSpeedMultiplier(1.01)
     :apply({
         transportBelt = {
-            emissions_per_second = { noise = 0.04 }
+            emissions_per_second = { noise = 2 / 60 }
         },
         undergroundBelt = {
-            emissions_per_second = { noise = 0.25 },
+            emissions_per_second = { noise = 7.5 / 60 },
             factoriopedia_simulation = {
               init =
               [[
@@ -28,7 +28,7 @@ Belt.EntityBuilder:new()
             }
         },
         splitter = {
-            emissions_per_second = { noise = 0.5 }
+            emissions_per_second = { noise = 20 / 60 }
         }
     })