diff --git a/aircraft_cmd.c b/aircraft_cmd.c
index 5dddf907a2..5da1823fbf 100644
--- a/aircraft_cmd.c
+++ b/aircraft_cmd.c
@@ -734,7 +734,7 @@ static bool Aircraft_5(Vehicle *v)
 		if (u->cur_speed > 32) {
 			v->cur_speed = 0;
 			if (--u->cur_speed == 32) {
-				SndPlayVehicleFx(0x16, v);
+				SndPlayVehicleFx(SND_18_HELICOPTER, v);
 			}
 		} else {
 			u->cur_speed = 32;
@@ -1098,7 +1098,7 @@ static void MaybeCrashAirplane(Vehicle *v)
 		0);
 
 	ModifyStationRatingAround(TILE_FROM_XY(v->x_pos, v->y_pos), v->owner, -160, 30);
-	SndPlayVehicleFx(16, v);
+	SndPlayVehicleFx(SND_12_EXPLOSION, v);
 }
 
 // we've landed and just arrived at a terminal
@@ -1182,7 +1182,7 @@ static void AircraftLand(Vehicle *v)
 static void AircraftLandAirplane(Vehicle *v)
 {
 	AircraftLand(v);
-	SndPlayVehicleFx(0x15, v);
+	SndPlayVehicleFx(SND_17_SKID_PLANE, v);
 	MaybeCrashAirplane(v);
 }
 
diff --git a/airport_gui.c b/airport_gui.c
index 2cd9c15a7b..1d46cfbfed 100644
--- a/airport_gui.c
+++ b/airport_gui.c
@@ -19,7 +19,7 @@ static void ShowBuildAirportPicker();
 static void CcBuildAirport(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 		ResetObjectToPlace();
 	}
 }
@@ -172,12 +172,12 @@ static void BuildAirportPickerWndProc(Window *w, WindowEvent *e)
 			break;
 		case 3: case 4: case 5: case 6: case 7:
 			_selected_airport_type = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		case 8: case 9:
 			_station_show_coverage = e->click.widget - 8;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
diff --git a/bridge_gui.c b/bridge_gui.c
index 731d217d24..02177790a7 100644
--- a/bridge_gui.c
+++ b/bridge_gui.c
@@ -25,7 +25,7 @@ extern const StringID _bridge_material[MAX_BRIDGES];
 
 static void CcBuildBridge(bool success, uint tile, uint32 p1, uint32 p2)
 {
-	if (success) { SndPlayTileFx(0x25, tile); }
+	if (success) SndPlayTileFx(SND_27_BLACKSMITH_ANVIL, tile);
 }
 
 static void BuildBridge(Window *w, int i)
diff --git a/disaster_cmd.c b/disaster_cmd.c
index 6d9b7646e9..ed7d382db9 100644
--- a/disaster_cmd.c
+++ b/disaster_cmd.c
@@ -208,7 +208,7 @@ static void DisasterTick_Zeppeliner(Vehicle *v)
 
 	if (++v->age == 1) {
 		CreateEffectVehicleRel(v, 0, 7, 8, EV_CRASHED_SMOKE);
-		SndPlayVehicleFx(0x10, v);
+		SndPlayVehicleFx(SND_12_EXPLOSION, v);
 		v->u.disaster.image_override = 0xF42;
 	} else if (v->age == 70) {
 		v->u.disaster.image_override = 0xF43;
@@ -311,7 +311,7 @@ static void DisasterTick_UFO(Vehicle *v)
 // destroy?
 		if (v->age > 50) {
 			CreateEffectVehicleRel(v, 0, 7, 8, EV_CRASHED_SMOKE);
-			SndPlayVehicleFx(0x10, v);
+			SndPlayVehicleFx(SND_12_EXPLOSION, v);
 			DeleteDisasterVeh(v);
 		}
 	}
@@ -374,7 +374,7 @@ static void DisasterTick_2(Vehicle *v)
 
 			SetDParam(0, i->town->index);
 			AddNewsItem(STR_B002_OIL_REFINERY_EXPLOSION, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
-			SndPlayTileFx(0x10, i->xy);
+			SndPlayTileFx(SND_12_EXPLOSION, i->xy);
 		}
 	} else if (v->next_order == 0) {
 		int x,y;
@@ -444,7 +444,7 @@ static void DisasterTick_3(Vehicle *v)
 
 			SetDParam(0, i->town->index);
 			AddNewsItem(STR_B003_FACTORY_DESTROYED_IN_SUSPICIOUS, NEWS_FLAGS(NM_THIN,NF_VIEWPORT|NF_TILE,NT_ACCIDENT,0), i->xy, 0);
-			SndPlayTileFx(0x10, i->xy);
+			SndPlayTileFx(SND_12_EXPLOSION, i->xy);
 		}
 	} else if (v->next_order == 0) {
 		int x,y;
@@ -601,7 +601,7 @@ static void DisasterTick_4b(Vehicle *v)
 		v->next_order = 1;
 
 		CreateEffectVehicleRel(u, 0, 7, 8, EV_CRASHED_SMOKE);
-		SndPlayVehicleFx(0x10, u);
+		SndPlayVehicleFx(SND_12_EXPLOSION, u);
 
 		DeleteDisasterVeh(u);
 
diff --git a/dock_gui.c b/dock_gui.c
index 1b024086f0..26e3ee8ffe 100644
--- a/dock_gui.c
+++ b/dock_gui.c
@@ -16,14 +16,14 @@ static byte _ship_depot_direction;
 static void CcBuildDocks(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0, tile);
+		SndPlayTileFx(SND_02_SPLAT, tile);
 		ResetObjectToPlace();
 	}
 }
 
 static void CcBuildCanal(bool success, uint tile, uint32 p1, uint32 p2)
 {
-	if (success) { SndPlayTileFx(0, tile); }
+	if (success) SndPlayTileFx(SND_02_SPLAT, tile);
 }
 
 
@@ -279,7 +279,7 @@ static void BuildDocksDepotWndProc(Window *w, WindowEvent *e)
 		case 3:
 		case 4:
 			_ship_depot_direction = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			UpdateDocksDirection();
 			SetWindowDirty(w);
 			break;
diff --git a/economy.c b/economy.c
index 0b6fc09b33..5cc54883de 100644
--- a/economy.c
+++ b/economy.c
@@ -1388,7 +1388,7 @@ int LoadUnloadVehicle(Vehicle *v)
 			SubtractMoneyFromPlayer(-profit);
 
 			if (_current_player == _local_player)
-				SndPlayVehicleFx(0x12, v);
+				SndPlayVehicleFx(SND_14_CASHTILL, v);
 
 			ShowCostOrIncomeAnimation(v->x_pos, v->y_pos, v->z_pos, -profit);
 		}
diff --git a/industry_cmd.c b/industry_cmd.c
index edcef12f1b..93d3b05786 100644
--- a/industry_cmd.c
+++ b/industry_cmd.c
@@ -473,8 +473,8 @@ static void AnimateTile_Industry(uint tile)
 			m = _map3_lo[tile] + 1;
 
 			switch(m & 7) {
-			case 2:	SndPlayTileFx(45, tile); break;
-			case 6: SndPlayTileFx(41, tile); break;
+			case 2:	SndPlayTileFx(SND_2D_RIP_2, tile); break;
+			case 6: SndPlayTileFx(SND_29_RIP, tile); break;
 			}
 
 			if (m >= 96) {
@@ -492,7 +492,7 @@ static void AnimateTile_Industry(uint tile)
 			m = _map3_lo[tile];
 
 			if (_industry_anim_offs[m] == 0xFF) {
-				SndPlayTileFx(48, tile);
+				SndPlayTileFx(SND_30_CARTOON_SOUND, tile);
 			}
 
 			if (++m >= 70) {
@@ -538,11 +538,11 @@ static void AnimateTile_Industry(uint tile)
 			m = _map3_lo[tile] + 1;
 
 			if (m == 1) {
-				SndPlayTileFx(44, tile);
+				SndPlayTileFx(SND_2C_MACHINERY, tile);
 			} else if (m == 23) {
-				SndPlayTileFx(43, tile);
+				SndPlayTileFx(SND_2B_COMEDY_HIT, tile);
 			} else if (m == 28) {
-				SndPlayTileFx(42, tile);
+				SndPlayTileFx(SND_2A_EXTRACT_AND_POP, tile);
 			}
 
 			if (m >= 50 && (m=0,++_map3_hi[tile] >= 8)) {
@@ -595,7 +595,7 @@ static void AnimateTile_Industry(uint tile)
 				if (state < 0x20 || state >= 0x180) {
 					if (!	(_map_owner[tile] & 0x40)) {
 						_map_owner[tile] |= 0x40;
-						SndPlayTileFx(9, tile);
+						SndPlayTileFx(SND_0B_MINING_MACHINERY, tile);
 					}
 					if (state & 7)
 						return;
@@ -684,7 +684,7 @@ static void TileLoopIndustryCase161(uint tile)
 		49, 59, 60, 65,
 	};
 
-	SndPlayTileFx(46, tile);
+	SndPlayTileFx(SND_2E_EXTRACT_AND_POP, tile);
 
 	dir = Random() & 3;
 
@@ -770,7 +770,7 @@ static void TileLoop_Industry(uint tile)
 
 	case 10:
 		if (CHANCE16(1,3)) {
-			SndPlayTileFx(10, tile);
+			SndPlayTileFx(SND_0C_ELECTRIC_SPARK, tile);
 			AddAnimatedTile(tile);
 		}
 		break;
@@ -998,7 +998,7 @@ static void ChopLumberMillTrees(Industry *i)
 					_current_player = OWNER_NONE;
 					_industry_sound_ctr = 1;
 					_industry_sound_tile = tile;
-					SndPlayTileFx(56, tile);
+					SndPlayTileFx(SND_38_CHAINSAW, tile);
 
 					DoCommandByTile(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR);
 					SetMapExtraBits(tile, 0);
@@ -1018,19 +1018,19 @@ static void ChopLumberMillTrees(Industry *i)
 static const byte _industry_sounds[37][2] = {
 	{0},
 	{0},
-	{1,38},
+	{1, SND_28_SAWMILL},
 	{0},
 	{0},
 	{0},
-	{1,1},
-	{1,1},
+	{1, SND_03_FACTORY_WHISTLE},
+	{1, SND_03_FACTORY_WHISTLE},
 	{0},
-	{3,34},
+	{3, SND_24_SHEEP},
 	{0},
 	{0},
 	{0},
 	{0},
-	{1,38},
+	{1, SND_28_SAWMILL},
 	{0},
 	{0},
 	{0},
@@ -1039,7 +1039,7 @@ static const byte _industry_sounds[37][2] = {
 	{0},
 	{0},
 	{0},
-	{1,1},
+	{1, SND_03_FACTORY_WHISTLE},
 	{0},
 	{0},
 	{0},
@@ -1048,7 +1048,7 @@ static const byte _industry_sounds[37][2] = {
 	{0},
 	{0},
 	{0},
-	{1,51},
+	{1, SND_33_PLASTIC_MINE},
 	{0},
 	{0},
 	{0},
@@ -1092,10 +1092,10 @@ void OnTick_Industry()
 		_industry_sound_ctr++;
 
 		if (_industry_sound_ctr == 75) {
-			SndPlayTileFx(55, _industry_sound_tile);
+			SndPlayTileFx(SND_37_BALLOON_SQUEAK, _industry_sound_tile);
 		} else if (_industry_sound_ctr == 160) {
 			_industry_sound_ctr = 0;
-			SndPlayTileFx(54, _industry_sound_tile);
+			SndPlayTileFx(SND_36_CARTOON_CRASH, _industry_sound_tile);
 		}
 	}
 
diff --git a/main_gui.c b/main_gui.c
index 0fec015fee..be59930185 100644
--- a/main_gui.c
+++ b/main_gui.c
@@ -63,7 +63,7 @@ bool HandlePlacePushButton(Window *w, int widget, uint32 cursor, int mode, Place
 	if (w->disabled_state & mask)
 		return false;
 
-	if (!_no_button_sound) SndPlayFx(0x13);
+	if (!_no_button_sound) SndPlayFx(SND_15_BEEP);
 	SetWindowDirty(w);
 
 	if (w->click_state & mask) {
@@ -80,7 +80,7 @@ bool HandlePlacePushButton(Window *w, int widget, uint32 cursor, int mode, Place
 
 void CcPlaySound10(bool success, uint tile, uint32 p1, uint32 p2)
 {
-	if (success) { SndPlayTileFx(0x10, tile); }
+	if (success) SndPlayTileFx(SND_12_EXPLOSION, tile);
 }
 
 
@@ -91,13 +91,13 @@ static void ToolbarPauseClick(Window *w)
 	if (_networking && !_networking_server) { return;} // only server can pause the game
 
 	if (DoCommandP(0, _pause?0:1, 0, NULL, CMD_PAUSE | CMD_NET_INSTANT))
-		SndPlayFx(0x13);
+		SndPlayFx(SND_15_BEEP);
 }
 
 static void ToolbarFastForwardClick(Window *w)
 {
 	_fast_forward ^= true;
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 }
 
 
@@ -596,7 +596,7 @@ static Window *PopupMainToolbMenu(Window *w, int x, int main_button, StringID ba
 
 	_popup_menu_active = true;
 
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 
 	return w;
 }
@@ -617,7 +617,7 @@ static Window *PopupMainPlayerToolbMenu(Window *w, int x, int main_button, int g
 	WP(w,menu_d).main_button = main_button;
 	WP(w,menu_d).checked_items = gray;
 	_popup_menu_active = true;
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	return w;
 }
 
@@ -781,7 +781,7 @@ static void ToolbarZoomInClick(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_IN, FindWindowById(WC_MAIN_WINDOW, 0))) {
 		HandleButtonClick(w, 17);
-		SndPlayFx(0x13);
+		SndPlayFx(SND_15_BEEP);
 	}
 }
 
@@ -789,7 +789,7 @@ static void ToolbarZoomOutClick(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_OUT,FindWindowById(WC_MAIN_WINDOW, 0))) {
 		HandleButtonClick(w, 18);
-		SndPlayFx(0x13);
+		SndPlayFx(SND_15_BEEP);
 	}
 }
 
@@ -894,7 +894,7 @@ static void ToolbarScenZoomIn(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_IN, FindWindowById(WC_MAIN_WINDOW, 0))) {
 		HandleButtonClick(w, 9);
-		SndPlayFx(0x13);
+		SndPlayFx(SND_15_BEEP);
 	}
 }
 
@@ -902,7 +902,7 @@ static void ToolbarScenZoomOut(Window *w)
 {
 	if (DoZoomInOutWindow(ZOOM_OUT, FindWindowById(WC_MAIN_WINDOW, 0))) {
 		HandleButtonClick(w, 10);
-		SndPlayFx(0x13);
+		SndPlayFx(SND_15_BEEP);
 	}
 }
 
@@ -966,7 +966,7 @@ static void AskResetLandscapeWndProc(Window *w, WindowEvent *e)
 				ResetLandscape();
 			}
 			else { // make random landscape
-				SndPlayFx(0x13);
+				SndPlayFx(SND_15_BEEP);
 				_switch_mode = SM_GENRANDLAND;
 			}
 
@@ -991,7 +991,7 @@ static void AskResetLandscape(uint mode)
 static void CcTerraform(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 	} else {
 		SetRedErrorSquare(_terraform_err_tile);
 	}
@@ -1011,7 +1011,7 @@ static void CommonRaiseLowerBigLand(uint tile, int mode)
 	if (_terraform_size == 1) {
 		DoCommandP(tile, 8, (uint32)mode, CcTerraform, CMD_TERRAFORM_LAND | CMD_AUTO);
 	} else {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 
 		size = _terraform_size;
 		assert(size != 0);
@@ -1070,7 +1070,7 @@ static void PlaceProc_RockyArea(uint tile)
 
 	_map5[tile] = (_map5[tile] & ~0x1C) | 8;
 	MarkTileDirtyByTile(tile);
-	SndPlayTileFx(0x1D, tile);
+	SndPlayTileFx(SND_1F_SPLAT, tile);
 }
 
 static void PlaceProc_LightHouse(uint tile)
@@ -1082,7 +1082,7 @@ static void PlaceProc_LightHouse(uint tile)
 		return;
 
 	ModifyTile(tile, MP_SETTYPE(MP_UNMOVABLE) | MP_MAP5, 1);
-	SndPlayTileFx(0x1D, tile);
+	SndPlayTileFx(SND_1F_SPLAT, tile);
 }
 
 static void PlaceProc_Transmitter(uint tile)
@@ -1094,7 +1094,7 @@ static void PlaceProc_Transmitter(uint tile)
 		return;
 
 	ModifyTile(tile, MP_SETTYPE(MP_UNMOVABLE) | MP_MAP5, 0);
-	SndPlayTileFx(0x1D, tile);
+	SndPlayTileFx(SND_1F_SPLAT, tile);
 }
 
 static void PlaceProc_Desert(uint tile)
@@ -1180,7 +1180,7 @@ terraform_size_common:;
 			if (!IS_INT_INSIDE(size, 1, 8+1))
 				return;
 			_terraform_size = size;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
@@ -1252,7 +1252,7 @@ static const WindowDesc _scen_edit_land_gen_desc = {
 static void ToolbarScenGenLand(Window *w)
 {
 	HandleButtonClick(w, 11);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 
 	AllocateWindowDescFront(&_scen_edit_land_gen_desc, 0);
 }
@@ -1260,7 +1260,7 @@ static void ToolbarScenGenLand(Window *w)
 static void CcBuildTown(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 		ResetObjectToPlace();
 	}
 }
@@ -1350,7 +1350,7 @@ static const WindowDesc _scen_edit_town_gen_desc = {
 static void ToolbarScenGenTown(Window *w)
 {
 	HandleButtonClick(w, 12);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 
 	AllocateWindowDescFront(&_scen_edit_town_gen_desc, 0);
 }
@@ -1594,28 +1594,28 @@ static const WindowDesc * const _scenedit_industry_descs[] = {
 static void ToolbarScenGenIndustry(Window *w)
 {
 	HandleButtonClick(w, 13);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	AllocateWindowDescFront(_scenedit_industry_descs[_opt.landscape],0);
 }
 
 static void ToolbarScenBuildRoad(Window *w)
 {
 	HandleButtonClick(w, 14);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	ShowBuildRoadScenToolbar();
 }
 
 static void ToolbarScenPlantTrees(Window *w)
 {
 	HandleButtonClick(w, 15);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	ShowBuildTreesScenToolbar();
 }
 
 static void ToolbarScenPlaceSign(Window *w)
 {
 	HandleButtonClick(w, 16);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	SelectSignTool();
 }
 
diff --git a/misc_gui.c b/misc_gui.c
index ecde8b78c2..5b166d2478 100644
--- a/misc_gui.c
+++ b/misc_gui.c
@@ -267,7 +267,7 @@ static void BuildTreesWndProc(Window *w, WindowEvent *e)
 		case 16: /* place trees randomly over the landscape*/
 			w->click_state |= 1 << 16;
 			w->flags4 |= 5 << WF_TIMEOUT_SHL;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			PlaceTreesRandomly();
 			MarkWholeScreenDirty();
 			break;
diff --git a/news_gui.c b/news_gui.c
index 632c536324..af804f2261 100644
--- a/news_gui.c
+++ b/news_gui.c
@@ -369,7 +369,7 @@ static void ShowTicker(const NewsItem *ni)
 {
 	Window *w;
 
-	SndPlayFx(20);
+	SndPlayFx(SND_16_MORSE);
 	_statusbar_news_item = *ni;
 	w = FindWindowById(WC_STATUS_BAR, 0);
 	if (w != NULL)
diff --git a/players.c b/players.c
index 2f0c193f16..4cfd5522c4 100644
--- a/players.c
+++ b/players.c
@@ -592,9 +592,9 @@ void PlayersYearlyLoop()
 		ShowPlayerFinances(_local_player);
 		p = DEREF_PLAYER(_local_player);
 		if (p->num_valid_stat_ent > 5 && p->old_economy[0].performance_history < p->old_economy[4].performance_history) {
-			SndPlayFx(0x28);
+			SndPlayFx(SND_01_BAD_YEAR);
 		} else {
-			SndPlayFx(0x27);
+			SndPlayFx(SND_00_GOOD_YEAR);
 		}
 	}
 }
diff --git a/rail_cmd.c b/rail_cmd.c
index 19f84a8d2d..335b37c761 100644
--- a/rail_cmd.c
+++ b/rail_cmd.c
@@ -542,7 +542,7 @@ int32 CmdBuildRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	int railbit;
 
 	if (flags & DC_EXEC)
-		SndPlayTileFx(0x1E, TILE_FROM_XY(x,y));
+		SndPlayTileFx(SND_20_SPLAT_2, TILE_FROM_XY(x,y));
 
 	/* unpack end point */
 	sx = (p1 & 0xFFFF) & ~0xF;
@@ -592,7 +592,7 @@ int32 CmdRemoveRailroadTrack(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	int railbit;
 
 	if (flags & DC_EXEC)
-		SndPlayTileFx(0x1E, TILE_FROM_XY(x,y));
+		SndPlayTileFx(SND_20_SPLAT_2, TILE_FROM_XY(x,y));
 
 	/* unpack start point */
 	sx = (p1 & 0xFFFF) & ~0xF;
diff --git a/rail_gui.c b/rail_gui.c
index 05040cb84a..a166a4c6ff 100644
--- a/rail_gui.c
+++ b/rail_gui.c
@@ -33,7 +33,7 @@ typedef void OnButtonClick(Window *w);
 
 static void CcPlaySound1E(bool success, uint tile, uint32 p1, uint32 p2)
 {
-	if (success) SndPlayTileFx(0x1E, tile);
+	if (success) SndPlayTileFx(SND_20_SPLAT_2, tile);
 }
 
 static void GenericPlaceRail(uint tile, int cmd)
@@ -96,7 +96,7 @@ static void CcDepot(bool success, uint tile, uint32 p1, uint32 p2)
 	if (success) {
 		int dir = p2;
 
-		SndPlayTileFx(0x1E, tile);
+		SndPlayTileFx(SND_20_SPLAT_2, tile);
 		ResetObjectToPlace();
 
 		tile += _place_depot_offs_xy[dir];
@@ -127,7 +127,7 @@ static void PlaceRail_Waypoint(uint tile)
 static void CcStation(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1E, tile);
+		SndPlayTileFx(SND_20_SPLAT_2, tile);
 		ResetObjectToPlace();
 	}
 }
@@ -183,7 +183,7 @@ static void PlaceRail_Bridge(uint tile)
 static void CcBuildTunnel(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1E, tile);
+		SndPlayTileFx(SND_20_SPLAT_2, tile);
 		ResetObjectToPlace();
 	} else {
 		SetRedErrorSquare(_build_tunnel_endtile);
@@ -287,7 +287,7 @@ static void BuildRailClick_Remove(Window *w)
 	if (w->disabled_state & (1<<16))
 		return;
 	SetWindowDirty(w);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 
 	_thd.make_square_red = !!((w->click_state ^= (1 << 16)) & (1<<16));
 	MarkTileDirty(_thd.pos.x, _thd.pos.y);
@@ -900,7 +900,7 @@ static void StationBuildWndProc(Window *w, WindowEvent *e) {
 		case 3:
 		case 4:
 			_railstation.orientation = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 
@@ -913,7 +913,7 @@ static void StationBuildWndProc(Window *w, WindowEvent *e) {
 		case 11:
 			_railstation.numtracks = (e->click.widget - 5) + 1;
 			_railstation.dragdrop = false;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 
@@ -926,20 +926,20 @@ static void StationBuildWndProc(Window *w, WindowEvent *e) {
 		case 18:
 			_railstation.platlength = (e->click.widget - 12) + 1;
 			_railstation.dragdrop = false;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 
 		case 19:
 			_railstation.dragdrop ^= true;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 
 		case 20:
 		case 21:
 			_station_show_coverage = e->click.widget - 20;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
@@ -1025,7 +1025,7 @@ static void BuildTrainDepotWndProc(Window *w, WindowEvent *e)
 		case 5:
 		case 6:
 			_build_depot_direction = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
@@ -1091,7 +1091,7 @@ static void BuildWaypointWndProc(Window *w, WindowEvent *e)
 		case 6:
 		case 7:
 			_cur_waypoint_type = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
diff --git a/road_cmd.c b/road_cmd.c
index 75426cb557..a269171be6 100644
--- a/road_cmd.c
+++ b/road_cmd.c
@@ -973,7 +973,7 @@ static void TileLoop_Road(uint tile)
 				if (GetTileSlope(tile, NULL) == 0 && EnsureNoVehicle(tile) && CHANCE16(1,20)) {
 					_map2[tile] = ((_map2[tile]&7) <= 1) ? 6 : 7;
 
-					SndPlayTileFx(0x1F,tile);
+					SndPlayTileFx(SND_21_JACKHAMMER, tile);
 					CreateEffectVehicleAbove(
 						GET_TILE_X(tile) * 16 + 7,
 						GET_TILE_Y(tile) * 16 + 7,
@@ -1086,7 +1086,7 @@ static uint32 VehicleEnter_Road(Vehicle *v, uint tile, int x, int y)
 	if ((_map5[tile] & 0xF0) == 0x10)	{
 		if (v->type == VEH_Train && (_map5[tile] & 4) == 0) {
 			/* train crossing a road */
-			SndPlayVehicleFx(12, v);
+			SndPlayVehicleFx(SND_0E_LEVEL_CROSSING, v);
 			_map5[tile] |= 4;
 			MarkTileDirtyByTile(tile);
 		}
diff --git a/road_gui.c b/road_gui.c
index f28aff3607..21be5360a0 100644
--- a/road_gui.c
+++ b/road_gui.c
@@ -22,7 +22,7 @@ static byte _road_station_picker_orientation;
 
 static void CcPlaySound1D(bool success, uint tile, uint32 p1, uint32 p2)
 {
-	if (success) { SndPlayTileFx(0x1D, tile); }
+	if (success) SndPlayTileFx(SND_1F_SPLAT, tile);
 }
 
 static void PlaceRoad_NE(uint tile)
@@ -46,7 +46,7 @@ static void PlaceRoad_Bridge(uint tile)
 static void CcBuildTunnel(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1E, tile);
+		SndPlayTileFx(SND_20_SPLAT_2, tile);
 		ResetObjectToPlace();
 	} else {
 		SetRedErrorSquare(_build_tunnel_endtile);
@@ -71,7 +71,7 @@ static void BuildRoadOutsideStation(uint tile, int direction)
 static void CcDepot(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 		ResetObjectToPlace();
 		BuildRoadOutsideStation(tile, (int)p1);
 	}
@@ -159,7 +159,7 @@ static void BuildRoadClick_Remove(Window *w)
 	if (w->disabled_state & (1<<12))
 		return;
 	SetWindowDirty(w);
-	SndPlayFx(0x13);
+	SndPlayFx(SND_15_BEEP);
 	_thd.make_square_red = !!((w->click_state ^= (1 << 12)) & (1<<12));
 	MarkTileDirty(_thd.pos.x, _thd.pos.y);
 }
@@ -362,7 +362,7 @@ static void BuildRoadDepotWndProc(Window *w, WindowEvent *e) {
 		case 5:
 		case 6:
 			_road_depot_orientation = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
@@ -436,13 +436,13 @@ static void RoadStationPickerWndProc(Window *w, WindowEvent *e) {
 		case 5:
 		case 6:
 			_road_station_picker_orientation = e->click.widget - 3;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		case 7:
 		case 8:
 			_station_show_coverage = e->click.widget - 7;
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			SetWindowDirty(w);
 			break;
 		}
diff --git a/roadveh_cmd.c b/roadveh_cmd.c
index 647237e071..7c5d8688aa 100644
--- a/roadveh_cmd.c
+++ b/roadveh_cmd.c
@@ -503,7 +503,7 @@ static void RoadVehCrash(Vehicle *v)
 		0);
 
 	ModifyStationRatingAround(v->tile, v->owner, -160, 22);
-	SndPlayVehicleFx(16, v);
+	SndPlayVehicleFx(SND_12_EXPLOSION, v);
 }
 
 static void RoadVehCheckTrainCrash(Vehicle *v)
@@ -536,7 +536,8 @@ static void HandleBrokenRoadVeh(Vehicle *v)
 		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 
-		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ? 0xD : 0x34, v);
+		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?
+			SND_0F_VEHICLE_BREAKDOWN : SND_35_COMEDY_BREAKDOWN, v);
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
@@ -635,8 +636,9 @@ static void HandleRoadVehLoading(Vehicle *v)
 
 static void StartRoadVehSound(Vehicle *v)
 {
-	int s = RoadVehInfo(v->engine_type)->sfx;
-	if (s == 23 && (v->tick_counter&3) == 0) s++;
+	SoundFx s = RoadVehInfo(v->engine_type)->sfx;
+	if (s == SND_19_BUS_START_PULL_AWAY && (v->tick_counter & 3) == 0)
+		s = SND_1A_BUS_START_PULL_AWAY_WITH_HORN;
 	SndPlayVehicleFx(s, v);
 }
 
diff --git a/ship_cmd.c b/ship_cmd.c
index 7c2dc07208..9865f746f7 100644
--- a/ship_cmd.c
+++ b/ship_cmd.c
@@ -157,7 +157,8 @@ static void HandleBrokenShip(Vehicle *v)
 		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 
-		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ? 0xE : 0x3A, v);
+		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?
+			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
diff --git a/smallmap_gui.c b/smallmap_gui.c
index 3cbca89a82..3f8debefea 100644
--- a/smallmap_gui.c
+++ b/smallmap_gui.c
@@ -881,7 +881,7 @@ static void SmallMapWindowProc(Window *w, WindowEvent *e)
 		case 2: {/* big/small size */
 			// const Widget *wi = w->widget;
 			DeleteWindow(w);
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			{
 				int i = _smallmap_size + 1;
 				if (i == 3) i = 0;
@@ -913,14 +913,14 @@ static void SmallMapWindowProc(Window *w, WindowEvent *e)
 			_smallmap_type = e->click.widget - 5;
 
 			SetWindowDirty(w);
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			break;
 
 		case 11: /* toggle town names */
 			w->click_state ^= (1 << 11);
 			_smallmap_show_towns = (w->click_state >> 11) & 1;
 			SetWindowDirty(w);
-			SndPlayFx(0x13);
+			SndPlayFx(SND_15_BEEP);
 			break;
 		}
 		break;
diff --git a/terraform_gui.c b/terraform_gui.c
index 7704903be0..f94ebf92be 100644
--- a/terraform_gui.c
+++ b/terraform_gui.c
@@ -13,7 +13,7 @@
 static void CcTerraform(bool success, uint tile, uint32 p1, uint32 p2)
 {
 	if (success) {
-		SndPlayTileFx(0x1D, tile);
+		SndPlayTileFx(SND_1F_SPLAT, tile);
 	} else {
 		SetRedErrorSquare(_terraform_err_tile);
 	}
diff --git a/train_cmd.c b/train_cmd.c
index 568d1c90d8..8f9b187821 100644
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -1243,7 +1243,12 @@ static void HandleLocomotiveSmokeCloud(Vehicle *v)
 
 static void TrainPlayLeaveStationSound(Vehicle *v)
 {
-	static const byte sfx[3] = { 0x2, 0x8, 0x8 };
+	static const SoundFx sfx[] = {
+		SND_04_TRAIN,
+		SND_0A_TRAIN_HORN,
+		SND_0A_TRAIN_HORN
+	};
+
 	int engtype = v->engine_type;
 
 	switch (_engines[engtype].railtype) {
@@ -2007,7 +2012,7 @@ static void CheckTrainCollision(Vehicle *v)
 		0);
 
 	ModifyStationRatingAround(v->tile, v->owner, -160, 30);
-	SndPlayVehicleFx(17, v);
+	SndPlayVehicleFx(SND_13_BIG_CRASH, v);
 }
 
 static void *CheckVehicleAtSignal(Vehicle *v, void *data)
@@ -2320,7 +2325,8 @@ static void HandleBrokenTrain(Vehicle *v)
 		InvalidateWindow(WC_VEHICLE_VIEW, v->index);
 		InvalidateWindow(WC_VEHICLE_DETAILS, v->index);
 
-		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ? 0xE : 0x3A, v);
+		SndPlayVehicleFx((_opt.landscape != LT_CANDY) ?
+			SND_10_TRAIN_BREAKDOWN : SND_3A_COMEDY_BREAKDOWN_2, v);
 
 		if (!(v->vehstatus & VS_HIDDEN)) {
 			Vehicle *u = CreateEffectVehicleRel(v, 4, 4, 5, EV_BREAKDOWN_SMOKE);
@@ -2417,7 +2423,7 @@ static void TrainCheckIfLineEnds(Vehicle *v)
 			if (IS_TILETYPE(tile, MP_STREET) && (_map5[tile] & 0xF0)==0x10) {
 				if (!(_map5[tile] & 4)) {
 					_map5[tile] |= 4;
-					SndPlayVehicleFx(12, v);
+					SndPlayVehicleFx(SND_0E_LEVEL_CROSSING, v);
 					MarkTileDirtyByTile(tile);
 				}
 			}
diff --git a/tree_cmd.c b/tree_cmd.c
index ed79466918..64590fa692 100644
--- a/tree_cmd.c
+++ b/tree_cmd.c
@@ -382,8 +382,11 @@ static void AnimateTile_Trees(uint tile)
 	/* not used */
 }
 
-static byte _desert_sounds[] = {
-	66,67,68,72
+static SoundFx _desert_sounds[] = {
+	SND_42_LOON_BIRD,
+	SND_43_LION,
+	SND_44_MONKEYS,
+	SND_48_DISTANT_BIRD
 };
 
 static void TileLoopTreesDesert(uint tile)
@@ -440,7 +443,7 @@ static void TileLoopTreesAlps(uint tile)
 		if (tmp == 0xC0) {
 			uint32 r;
 			if (CHANCE16I(1,200,r=Random())) {
-				SndPlayTileFx( (r&0x80000000) ? 57 : 52, tile);
+				SndPlayTileFx((r & 0x80000000) ? SND_39_HEAVY_WIND : SND_34_WIND, tile);
 			}
 			return;
 		} else {
diff --git a/tunnelbridge_cmd.c b/tunnelbridge_cmd.c
index 9930a9f1d4..5ff825ddb4 100644
--- a/tunnelbridge_cmd.c
+++ b/tunnelbridge_cmd.c
@@ -1407,7 +1407,7 @@ static uint32 VehicleEnter_TunnelBridge(Vehicle *v, uint tile, int x, int y)
 			if (v->u.rail.track != 0x40 && dir == vdir) {
 				if (v->subtype == 0 && fc == _tunnel_fractcoord_1[dir]) {
 					if (v->spritenum < 4)
-						SndPlayVehicleFx(3, v);
+						SndPlayVehicleFx(SND_05_TRAIN_THROUGH_TUNNEL, v);
 					return 0;
 				}
 				if (fc == _tunnel_fractcoord_2[dir]) {
diff --git a/vehicle.c b/vehicle.c
index 69dc9f8d80..9c46bb13be 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -1106,7 +1106,7 @@ again:
 	if (*b == 0x81) {
 		if (v->z_pos > 180 || CHANCE16(1,96)) {
 			v->spritenum = 5;
-			SndPlayVehicleFx(0x2F, v);
+			SndPlayVehicleFx(SND_2F_POP, v);
 		}
 		et = 0;
 		goto again;
@@ -1116,7 +1116,7 @@ again:
 		uint tile;
 
 		et++;
-		SndPlayVehicleFx(0x31, v);
+		SndPlayVehicleFx(SND_31_EXTRACT, v);
 
 		tile = TILE_FROM_XY(v->x_pos, v->y_pos);
 		if (IS_TILETYPE(tile, MP_INDUSTRY) &&
diff --git a/water_cmd.c b/water_cmd.c
index fc34b323bc..9a7db7ad30 100644
--- a/water_cmd.c
+++ b/water_cmd.c
@@ -565,7 +565,7 @@ static void FloodVehicle(Vehicle *v)
 			0);
 	}
 	CreateEffectVehicleRel(v,4,4,8,EV_CRASHED_SMOKE);	// show cool destruction effects
-	SndPlayVehicleFx(16, v); // create sound
+	SndPlayVehicleFx(SND_12_EXPLOSION, v); // create sound
 }
 
 // called from tunnelbridge_cmd