diff --git a/code/game/machinery/computer/arcade.dm b/code/game/machinery/computer/arcade.dm
index b0ad5a23b1d..bd66901c4ab 100644
--- a/code/game/machinery/computer/arcade.dm
+++ b/code/game/machinery/computer/arcade.dm
@@ -998,7 +998,7 @@
 	to_chat(user, "<span class='warning'>You flip the switch on the underside of [src].</span>")
 	active = 1
 	visible_message("<span class='notice'>[src] softly beeps and whirs to life!</span>")
-	playsound(src.loc, 'sound/machines/defib_SaftyOn.ogg', 25, 1)
+	playsound(src.loc, 'sound/machines/defib_saftyOn.ogg', 25, 1)
 	atom_say("This is ship ID #[rand(1,1000)] to Orion Port Authority. We're coming in for landing, over.")
 	sleep(20)
 	visible_message("<span class='warning'>[src] begins to vibrate...</span>")
diff --git a/code/game/machinery/dance_machine.dm b/code/game/machinery/dance_machine.dm
index 2bcf604e980..a71081f0be1 100644
--- a/code/game/machinery/dance_machine.dm
+++ b/code/game/machinery/dance_machine.dm
@@ -148,7 +148,7 @@
 			selection = available[selected]
 			updateUsrDialog()
 		if("horn")
-			deejay('sound/items/airhorn2.ogg')
+			deejay('sound/items/Airhorn2.ogg')
 		if("alert")
 			deejay('sound/misc/notice1.ogg')
 		if("siren")
diff --git a/code/game/machinery/doors/door.dm b/code/game/machinery/doors/door.dm
index 6f838319040..adf22a06850 100644
--- a/code/game/machinery/doors/door.dm
+++ b/code/game/machinery/doors/door.dm
@@ -1,7 +1,7 @@
 /obj/machinery/door
 	name = "door"
 	desc = "It opens and closes."
-	icon = 'icons/obj/doors/Doorint.dmi'
+	icon = 'icons/obj/doors/doorint.dmi'
 	icon_state = "door1"
 	anchored = TRUE
 	opacity = 1
diff --git a/code/game/machinery/doors/firedoor.dm b/code/game/machinery/doors/firedoor.dm
index 3770a311ed0..48561914a16 100644
--- a/code/game/machinery/doors/firedoor.dm
+++ b/code/game/machinery/doors/firedoor.dm
@@ -80,7 +80,7 @@
 	else if(glass)
 		user.visible_message("<span class='warning'>[user] bangs on \the [src].</span>",
 							 "<span class='warning'>You bang on \the [src].</span>")
-		playsound(get_turf(src), 'sound/effects/Glassknock.ogg', 10, 1)
+		playsound(get_turf(src), 'sound/effects/glassknock.ogg', 10, 1)
 
 /obj/machinery/door/firedoor/attackby(obj/item/C, mob/user, params)
 	add_fingerprint(user)
diff --git a/code/game/mecha/equipment/weapons/weapons.dm b/code/game/mecha/equipment/weapons/weapons.dm
index 011b2c6fab8..f5fdecea3f6 100644
--- a/code/game/mecha/equipment/weapons/weapons.dm
+++ b/code/game/mecha/equipment/weapons/weapons.dm
@@ -516,7 +516,7 @@
 	energy_drain = 30
 	origin_tech = "materials=3;plasmatech=4;engineering=3"
 	projectile = /obj/item/projectile/plasma/adv/mech
-	fire_sound = 'sound/weapons/laser.ogg'
+	fire_sound = 'sound/weapons/Laser.ogg'
 
 /obj/item/mecha_parts/mecha_equipment/weapon/energy/plasma/can_attach(obj/mecha/M as obj)
 	if(istype(M, /obj/mecha/working))
diff --git a/code/game/objects/items/weapons/clown_items.dm b/code/game/objects/items/weapons/clown_items.dm
index 1143954faef..4573545f969 100644
--- a/code/game/objects/items/weapons/clown_items.dm
+++ b/code/game/objects/items/weapons/clown_items.dm
@@ -32,7 +32,7 @@
 	desc = "Damn son, where'd you find this?"
 	icon_state = "air_horn"
 	origin_tech = "materials=4;engineering=4"
-	honk_sounds = list('sound/items/airhorn2.ogg' = 1)
+	honk_sounds = list('sound/items/Airhorn2.ogg' = 1)
 
 /obj/item/bikehorn/golden
 	name = "golden bike horn"
diff --git a/code/game/objects/structures/window.dm b/code/game/objects/structures/window.dm
index 28114f46a8c..25314db064c 100644
--- a/code/game/objects/structures/window.dm
+++ b/code/game/objects/structures/window.dm
@@ -174,7 +174,7 @@ var/global/wcCommon = pick(list("#379963", "#0d8395", "#58b5c3", "#49e46e", "#8f
 	user.changeNext_move(CLICK_CD_MELEE)
 	user.visible_message("<span class='notice'>Something knocks on [src].</span>")
 	add_fingerprint(user)
-	playsound(src, 'sound/effects/Glassknock.ogg', 50, 1)
+	playsound(src, 'sound/effects/glassknock.ogg', 50, 1)
 
 /obj/structure/window/attack_hulk(mob/living/carbon/human/user, does_attack_animation = 0)
 	if(!can_be_reached(user))
diff --git a/code/modules/mob/living/simple_animal/bot/ed209bot.dm b/code/modules/mob/living/simple_animal/bot/ed209bot.dm
index 5969d7a6d40..0e7ba61d1f2 100644
--- a/code/modules/mob/living/simple_animal/bot/ed209bot.dm
+++ b/code/modules/mob/living/simple_animal/bot/ed209bot.dm
@@ -412,7 +412,7 @@
 	..()
 
 /mob/living/simple_animal/bot/ed209/proc/set_weapon()  //used to update the projectile type and firing sound
-	shoot_sound = 'sound/weapons/laser.ogg'
+	shoot_sound = 'sound/weapons/Laser.ogg'
 	if(emagged == 2)
 		if(lasercolor)
 			projectile = /obj/item/projectile/beam/disabler
diff --git a/code/modules/mob/living/simple_animal/hostile/pirate.dm b/code/modules/mob/living/simple_animal/hostile/pirate.dm
index 108daa031df..cab8dc8fcde 100644
--- a/code/modules/mob/living/simple_animal/hostile/pirate.dm
+++ b/code/modules/mob/living/simple_animal/hostile/pirate.dm
@@ -34,7 +34,7 @@
 	icon_state = "pirateranged"
 	icon_living = "pirateranged"
 	icon_dead = "piratemelee_dead"
-	projectilesound = 'sound/weapons/laser.ogg'
+	projectilesound = 'sound/weapons/Laser.ogg'
 	ranged = 1
 	rapid = 1
 	retreat_distance = 5
diff --git a/code/modules/projectiles/guns/energy/special.dm b/code/modules/projectiles/guns/energy/special.dm
index fa010a69e49..c1e24a9badd 100644
--- a/code/modules/projectiles/guns/energy/special.dm
+++ b/code/modules/projectiles/guns/energy/special.dm
@@ -140,7 +140,7 @@
 	modifystate = -1
 	origin_tech = "combat=1;materials=3;magnets=2;plasmatech=3;engineering=1"
 	ammo_type = list(/obj/item/ammo_casing/energy/plasma)
-	fire_sound = 'sound/weapons/laser.ogg'
+	fire_sound = 'sound/weapons/Laser.ogg'
 	usesound = 'sound/items/Welder.ogg'
 	toolspeed = 1
 	container_type = OPENCONTAINER
diff --git a/code/modules/projectiles/guns/magic/staff.dm b/code/modules/projectiles/guns/magic/staff.dm
index 2ee7edb075a..a8455d45fc5 100644
--- a/code/modules/projectiles/guns/magic/staff.dm
+++ b/code/modules/projectiles/guns/magic/staff.dm
@@ -60,7 +60,7 @@
 	item_state = "honker"
 	max_charges = 4
 	recharge_rate = 8
-	fire_sound = 'sound/items/airhorn.ogg'
+	fire_sound = 'sound/items/Airhorn.ogg'
 
 /obj/item/gun/magic/staff/focus
 	name = "mental focus"
diff --git a/sound/machines/defib_SaftyOn.ogg b/sound/machines/defib_saftyOn.ogg
similarity index 100%
rename from sound/machines/defib_SaftyOn.ogg
rename to sound/machines/defib_saftyOn.ogg