diff --git a/include/defines.h b/include/defines.h
index 4b2d032c4..e6940a5dd 100644
--- a/include/defines.h
+++ b/include/defines.h
@@ -332,16 +332,31 @@ enum PLACE { FIRST_PLACE, SECOND_PLACE, THIRD_PLACE, FOURTH_PLACE };
  * @brief sound effect of player's
  * for soundEffect
  */
-#define HIT_SOUND_EFFECT 0x100                   // hitting an object
-#define BOOST_SOUND_EFFECT 0x200                 // being boosted by trigger a mushroom
+ /*
+*/
+#define HIT_BANANA_SOUND_EFFECT 0x1              // hits a banana
+#define HIT_RED_BLUE_MOLE_SOUND_EFFECT 0x2       // hit by a red shell, blue shell, or hit a mole
+#define HIT_GREEN_SHELL_SOUND_EFFECT 0x4         // hit by a green shell
+#define DRIVING_SPINOUT_SOUND_EFFECT 0x80        // spinning out from erratic driving
+#define HIT_SOUND_EFFECT 0x100                   // hitting an object (actually, stomped by thwomp)
+#define BOOST_SOUND_EFFECT 0x200                 // being boosted by trigger a mushroom //correct
 #define BOO_SOUND_EFFECT 0x800                   // being a boo
-#define STAR_SOUND_EFFECT 0x2000                 // being a star
-#define HIT_ROTATING_SOUND_EFFECT 0x4000         // hitting a rotating object
-#define BOOST_RAMP_WOOD_SOUND_EFFECT 0x8000      // being boosted by a ramp
-#define HOLD_BANANA_SOUND_EFFECT 0x40000         // holding a banana
-#define REVERSE_SOUND_EFFECT 0x400000            // being in the wrong direction
-#define BOOST_RAMP_ASPHALT_SOUND_EFFECT 0x800000 // being boosted by a boost pad
-#define HIT_BY_ITEM_SOUND_EFFECT 0x1000000       // being hit by an item
+#define UNUSED_SOUND_EFFECT_0x1000 0x1000
+#define STAR_SOUND_EFFECT 0x2000                 // Starting a star
+#define HIT_ROTATING_SOUND_EFFECT 0x4000         // hitting a rotating object (actually struck by lightning)
+#define BOOST_RAMP_WOOD_SOUND_EFFECT 0x8000      // being boosted by a ramp //confirmed
+#define UNUSED_SOUND_EFFECT_0x20000 0x20000
+#define HOLD_BANANA_SOUND_EFFECT 0x40000         // holding a banana (or a banana bunch or a fake item block)// confirmed but ongoing, so not really a sound effect
+#define HIT_PADDLE_BOAT_SOUND_EFFECT 0x80000     //hit paddle boat
+#define UNUSED_SOUND_EFFECT_0x10000 0x100000
+#define SPINOUT_SOUND_EFFECT 0x200000            // hit crab or spiny spinout or losing versus race
+#define REVERSE_SOUND_EFFECT 0x400000            // being in the wrong direction (actually hitting a fake item)
+#define BOOST_RAMP_ASPHALT_SOUND_EFFECT 0x800000 // being boosted by a boost pad // confirmed but not every time
+#define HIT_BY_ITEM_SOUND_EFFECT 0x1000000       // being hit by an item (actually a star)
+#define START_BOOST_SOUND_EFFECT 0x2000000       // Start boost sound effect
+#define LOSE_BATTLE_SOUND_EFFECT 0x4000000       // When losing battle mode
+#define UNKNOWN_SOUND_EFFECT_0x08000000 0x08000000 // Related to battle mode. Becoming a bomb?
+#define START_SPINOUT_SOUND_EFFECT 0x10000000    // Spinning out by holding gas at start of race
 
 /**
  * @brief effect of player's
diff --git a/src/camera.c b/src/camera.c
index 20f3efd80..e1e084783 100644
--- a/src/camera.c
+++ b/src/camera.c
@@ -1033,7 +1033,7 @@ void func_8001F394(Player* player, f32* arg1) {
         if ((player->effects & BOOST_RAMP_ASPHALT_EFFECT) == BOOST_RAMP_ASPHALT_EFFECT) {
             D_80164A08[playerIndex] = 3;
         }
-        if ((player->soundEffects & 0x100) == 0x100) {
+        if ((player->soundEffects & HIT_SOUND_EFFECT) == HIT_SOUND_EFFECT) {
             D_80164A08[playerIndex] = 4;
         }
         if (((player->effects & 0x80) == 0x80) || ((player->effects & 0x40) == 0x40)) {
@@ -1082,7 +1082,7 @@ void func_8001F394(Player* player, f32* arg1) {
             }
             break;
         case 4:
-            if ((player->soundEffects & 0x100) == 0x100) {
+            if ((player->soundEffects & HIT_SOUND_EFFECT) == HIT_SOUND_EFFECT) {
                 move_f32_towards(&D_80164498[playerIndex], 25.0f, 1.0f);
             } else {
                 if (D_80164498[playerIndex] > 1.0f) {
diff --git a/src/code_80086E70.c b/src/code_80086E70.c
index 50619609a..bd4d4f72f 100644
--- a/src/code_80086E70.c
+++ b/src/code_80086E70.c
@@ -1239,7 +1239,7 @@ s32 func_80089E18(s32 objectIndex) {
                 if (player->effects & STAR_EFFECT) {
                     var_s6 = 1;
                 } else {
-                    player->soundEffects |= 1;
+                    player->soundEffects |= HIT_BANANA_SOUND_EFFECT;
                 }
             }
         }
@@ -1263,7 +1263,7 @@ s32 func_80089F24(s32 objectIndex) {
                     if (is_obj_flag_status_active(objectIndex, 0x04000000) != 0) {
                         func_80072180();
                     }
-                    player->soundEffects |= 0x200000;
+                    player->soundEffects |= SPINOUT_SOUND_EFFECT;
                 }
             }
         }
diff --git a/src/cpu_vehicles_camera_path.c b/src/cpu_vehicles_camera_path.c
index 952247f26..919aa0a0d 100644
--- a/src/cpu_vehicles_camera_path.c
+++ b/src/cpu_vehicles_camera_path.c
@@ -1359,8 +1359,8 @@ void play_cpu_sound_effect(s32 arg0, Player* player) {
         }
     }
     if (D_801633B0[arg0] >= 0xB) {
-        if ((player->soundEffects & REVERSE_EFFECT) || (player->soundEffects & 0x01000000) ||
-            (player->soundEffects & 2) || (player->soundEffects & 4) || (player->effects & HIT_EFFECT)) {
+        if ((player->soundEffects & REVERSE_EFFECT) || (player->soundEffects & HIT_BY_ITEM_SOUND_EFFECT) ||
+            (player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) || (player->soundEffects & HIT_GREEN_SHELL_SOUND_EFFECT) || (player->effects & HIT_EFFECT)) {
             func_800C92CC(arg0, SOUND_ARG_LOAD(0x29, 0x00, 0x80, 0x0B));
             D_801633B0[arg0] = 0;
         }
@@ -2216,7 +2216,7 @@ void init_players(void) {
 
             for (i = 0; i < NUM_PLAYERS; i++) {
                 if (D_80163330[i] == 1) {
-                    gPlayers[i].soundEffects |= 0x02000000;
+                    gPlayers[i].soundEffects |= START_BOOST_SOUND_EFFECT;
                 }
             }
         }
diff --git a/src/cpu_vehicles_camera_path/bomb_kart.inc.c b/src/cpu_vehicles_camera_path/bomb_kart.inc.c
index 64fb2905f..adfd90de2 100644
--- a/src/cpu_vehicles_camera_path/bomb_kart.inc.c
+++ b/src/cpu_vehicles_camera_path/bomb_kart.inc.c
@@ -139,7 +139,7 @@ void func_8000DF8C(s32 bombKartId) {
                     if ((((temp_f0 * temp_f0) + (temp_f2 * temp_f2)) + (temp_f12 * temp_f12)) < 25.0f) {
                         var_s1 = 0;
                         sp7E = 4;
-                        var_v0->soundEffects |= 0x400000;
+                        var_v0->soundEffects |= REVERSE_SOUND_EFFECT;
                         var_v0->type &= ~0x2000;
                     }
                 }
@@ -155,9 +155,9 @@ void func_8000DF8C(s32 bombKartId) {
                             sp7E = 4;
                             var_s1 = 0;
                             if (gCurrentCourseId == COURSE_FRAPPE_SNOWLAND) {
-                                var_v0->soundEffects |= 0x01000000;
+                                var_v0->soundEffects |= HIT_BY_ITEM_SOUND_EFFECT;
                             } else {
-                                var_v0->soundEffects |= 0x400000;
+                                var_v0->soundEffects |= REVERSE_SOUND_EFFECT;
                             }
                         }
                     }
diff --git a/src/cpu_vehicles_camera_path/cpu_speed_control.inc.c b/src/cpu_vehicles_camera_path/cpu_speed_control.inc.c
index 2d5bfad1d..2bb4c34f8 100644
--- a/src/cpu_vehicles_camera_path/cpu_speed_control.inc.c
+++ b/src/cpu_vehicles_camera_path/cpu_speed_control.inc.c
@@ -134,7 +134,7 @@ void regulate_cpu_speed(s32 playerId, f32 targetSpeed, Player* player) {
 
     speed = player->speed;
     if (!(player->effects & 0x80) && !(player->effects & 0x40) && !(player->effects & 0x20000) &&
-        !(player->soundEffects & 0x400000) && !(player->soundEffects & 0x01000000) && !(player->soundEffects & 2) &&
+        !(player->soundEffects & REVERSE_SOUND_EFFECT) && !(player->soundEffects & HIT_BY_ITEM_SOUND_EFFECT) && !(player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) &&
         !(player->soundEffects & 4)) {
         if (gCurrentCourseId == COURSE_AWARD_CEREMONY) {
             func_80007FA4(playerId, player, speed);
diff --git a/src/cpu_vehicles_camera_path/vehicle_utils.inc.c b/src/cpu_vehicles_camera_path/vehicle_utils.inc.c
index 07cf96cb9..75dc001ce 100644
--- a/src/cpu_vehicles_camera_path/vehicle_utils.inc.c
+++ b/src/cpu_vehicles_camera_path/vehicle_utils.inc.c
@@ -621,7 +621,7 @@ void handle_paddle_boats_interactions(Player* player) {
                                                      tempPaddleWheelBoat->velocity[0], tempPaddleWheelBoat->velocity[2],
                                                      200.0f, 60.0f, playerX, playerZ) == 1) &&
                             (y_diff < 60.0)) {
-                            player->soundEffects |= 0x80000;
+                            player->soundEffects |= HIT_PADDLE_BOAT_SOUND_EFFECT;
                         }
                     }
                 }
diff --git a/src/effects.c b/src/effects.c
index ba2f79a15..b1a7c92d2 100644
--- a/src/effects.c
+++ b/src/effects.c
@@ -134,7 +134,7 @@ UNUSED void func_unnamed33(void) {
 }
 
 void func_8008C310(Player* player) {
-    if ((player->soundEffects & 2) || (player->soundEffects & 4) || ((player->soundEffects << 9) < 0) ||
+    if ((player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) || (player->soundEffects & HIT_GREEN_SHELL_SOUND_EFFECT) || ((player->soundEffects << 9) < 0) ||
         (player->soundEffects & HIT_BY_ITEM_SOUND_EFFECT)) {
         player->unk_0B6 = ((u16) player->unk_0B6 | 0x1000);
     }
@@ -216,7 +216,7 @@ void func_8008C528(Player* player, s8 playerIndex) {
     } else {
         play_cpu_sound_effect(playerIndex, player);
     }
-    player->soundEffects = (s32) (player->soundEffects & ~4);
+    player->soundEffects = (s32) (player->soundEffects & ~HIT_GREEN_SHELL_SOUND_EFFECT);
 }
 
 void func_8008C62C(Player* player, s8 playerIndex) {
@@ -372,7 +372,7 @@ void func_8008C9EC(Player* player, s8 playerIndex) {
 void func_8008CDC0(Player* player, s8 playerIndex) {
     clean_effect(player, playerIndex);
 
-    player->soundEffects &= ~1;
+    player->soundEffects &= ~HIT_BANANA_SOUND_EFFECT;
     player->unk_0B4 = 0;
     player->unk_0B8 = 3.0f;
     player->unk_0AC = 1;
@@ -444,7 +444,7 @@ void func_8008D0E4(Player* player, UNUSED s8 playerIndex) {
 void func_8008D0FC(Player* player, s8 playerIndex) {
     clean_effect(player, playerIndex);
 
-    player->soundEffects &= ~0x80;
+    player->soundEffects &= ~DRIVING_SPINOUT_SOUND_EFFECT;
     player->unk_0B4 = 0;
     player->unk_0B8 = 2.0f;
     player->unk_0AC = 1;
@@ -559,7 +559,7 @@ void func_8008D570(Player* player, s8 playerIndex) {
     player->unk_0AE = player->rotation[1];
     player->effects |= 0x80000;
     player->effects &= ~0x10;
-    player->soundEffects &= ~0x1000;
+    player->soundEffects &= ~UNUSED_SOUND_EFFECT_0x1000;
     player->kartHopJerk = D_800E3730[player->characterId];
     player->kartHopAcceleration = 0.0f;
     player->kartHopVelocity = (f32) D_800E3710[player->characterId];
@@ -618,7 +618,7 @@ void func_8008D7B0(Player* player, s8 playerIndex) {
     player->unk_0AE = player->rotation[1];
     player->effects |= 0x800000;
     player->effects &= ~0x10;
-    player->soundEffects &= ~0x20000;
+    player->soundEffects &= ~UNUSED_SOUND_EFFECT_0x20000;
     player->kartHopJerk = D_800E3770[player->characterId];
     player->kartHopAcceleration = 0.0f;
     player->kartHopVelocity = D_800E3750[player->characterId];
@@ -704,7 +704,7 @@ void apply_hit_sound_effect(Player* player, s8 playerIndex) {
         player->unk_D9C = 0.0f;
         player->unk_DA0 = 65.0f;
 
-        if ((player->soundEffects & 0x100) != 0) {
+        if ((player->soundEffects & HIT_SOUND_EFFECT) != 0) {
             player->unk_046 |= 0x80;
         }
 
@@ -738,7 +738,7 @@ void apply_hit_effect(Player* player, s8 playerIndex) {
             }
 
             if ((player->unk_046 & 0x80) != 0) {
-                if ((player->soundEffects & 0x100) == 0) {
+                if ((player->soundEffects & HIT_SOUND_EFFECT) == 0) {
                     D_8018D990[playerIndex] = 1;
                     player->unk_238 = 0;
                     if ((player->type & PLAYER_HUMAN) != 0) {
@@ -1025,7 +1025,7 @@ void apply_reverse_sound_effect(Player* player, s8 playerIndex) {
         play_cpu_sound_effect(playerIndex, player);
     }
 
-    player->soundEffects &= ~(REVERSE_SOUND_EFFECT | 0x80000);
+    player->soundEffects &= ~(REVERSE_SOUND_EFFECT | HIT_PADDLE_BOAT_SOUND_EFFECT);
     player->unk_0B6 |= 0x40;
     gTimerBoostTripleACombo[playerIndex] = 0;
     gIsPlayerTripleAButtonCombo[playerIndex] = false;
@@ -1126,7 +1126,7 @@ void apply_hit_by_item_sound_effect(Player* player, s8 playerIndex) {
 
     player->effects |= HIT_BY_ITEM_EFFECT;
     player->unk_0B6 |= 0x40;
-    player->soundEffects &= ~0x01000002;
+    player->soundEffects &= ~(HIT_BY_ITEM_SOUND_EFFECT | HIT_RED_BLUE_MOLE_SOUND_EFFECT);
 
     gTimerBoostTripleACombo[playerIndex] = 0;
     gIsPlayerTripleAButtonCombo[playerIndex] = false;
@@ -1522,8 +1522,8 @@ void func_8008FC64(Player* player, s8 arg1) {
     player->alpha -= 4;
     if (player->alpha < 5) {
         player->alpha = ALPHA_MIN;
-        player->soundEffects &= 0xFBFFFFFF;
-        player->soundEffects |= 0x08000000;
+        player->soundEffects &= ~LOSE_BATTLE_SOUND_EFFECT;
+        player->soundEffects |= UNKNOWN_SOUND_EFFECT_0x08000000;
         player->type |= PLAYER_UNKNOWN_0x40;
 
         func_8008FDA8(player, arg1);
@@ -1535,7 +1535,7 @@ void func_8008FCDC(Player* player, s8 playerIndex) {
     player->alpha += 2;
     if (player->alpha >= 0xF0) {
         player->alpha = ALPHA_MAX;
-        player->soundEffects &= ~0x08000000;
+        player->soundEffects &= ~UNKNOWN_SOUND_EFFECT_0x08000000;
     }
 
     func_80056A40(playerIndex, (u32) player->alpha);
@@ -1544,7 +1544,7 @@ void func_8008FCDC(Player* player, s8 playerIndex) {
 void func_8008FD4C(Player* player, UNUSED s8 arg1) {
     s16 temp_v0;
 
-    player->soundEffects |= 0x04000000;
+    player->soundEffects |= LOSE_BATTLE_SOUND_EFFECT;
     player->unk_044 |= 0x200;
 
     for (temp_v0 = 0; temp_v0 < 10; ++temp_v0) {
@@ -1571,7 +1571,7 @@ void func_8008FDF4(Player* player, s8 playerIndex) {
     player->kartHopJerk = D_800E37F0[player->characterId];
     player->kartHopAcceleration = 0.0f;
     player->kartHopVelocity = D_800E37D0[player->characterId];
-    player->soundEffects &= ~0x00100000;
+    player->soundEffects &= ~UNUSED_SOUND_EFFECT_0x10000;
     player->effects |= UNKNOWN_EFFECT_0x10000000;
 }
 
diff --git a/src/player_controller.c b/src/player_controller.c
index 2d28f7399..c5965cb19 100644
--- a/src/player_controller.c
+++ b/src/player_controller.c
@@ -1085,7 +1085,7 @@ void func_8002A5F4(Vec3f arg0, f32 arg1, Vec3f arg2, f32 arg3, f32 arg4) {
 
 void func_8002A704(Player* player, s8 playerIndex) {
     player->effects |= BOOST_EFFECT;
-    player->soundEffects &= ~0x02000000;
+    player->soundEffects &= ~START_BOOST_SOUND_EFFECT;
     if (((player->type & PLAYER_HUMAN) == PLAYER_HUMAN) &&
         ((player->type & PLAYER_INVISIBLE_OR_BOMB) != PLAYER_INVISIBLE_OR_BOMB)) {
         func_800C90F4(0U, (player->characterId * 0x10) + 0x29008001);
@@ -1351,25 +1351,28 @@ void func_8002B218(Player* player) {
 }
 
 void apply_sound_effect(Player* player, s8 playerId, UNUSED s8 screenId) {
-    if ((player->soundEffects & 2) == 2) {
+    /*if (playerId == 0){
+        print_timer(playerHUD[0].timerX, playerHUD[0].timerY, playerHUD[0].someTimer);
+    }*/
+    if ((player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) == HIT_RED_BLUE_MOLE_SOUND_EFFECT) {
         apply_hit_by_item_sound_effect(player, playerId);
     }
-    if ((player->soundEffects & 4) == 4) {
+    if ((player->soundEffects & HIT_GREEN_SHELL_SOUND_EFFECT) == HIT_GREEN_SHELL_SOUND_EFFECT) {
         func_8008C528(player, playerId);
     }
-    if ((player->soundEffects & 1) == 1) {
+    if ((player->soundEffects & HIT_BANANA_SOUND_EFFECT) == HIT_BANANA_SOUND_EFFECT) {
         func_8008CDC0(player, playerId);
     }
     if ((player->soundEffects & BOOST_SOUND_EFFECT) == BOOST_SOUND_EFFECT) {
         apply_boost_sound_effect(player, playerId);
     }
-    if ((player->soundEffects & 0x02000000) == 0x02000000) {
+    if ((player->soundEffects & START_BOOST_SOUND_EFFECT) == START_BOOST_SOUND_EFFECT) {
         func_8002A704(player, playerId);
     }
-    if ((player->soundEffects & 0x1000) == 0x1000) {
+    if ((player->soundEffects & UNUSED_SOUND_EFFECT_0x1000) == UNUSED_SOUND_EFFECT_0x1000) {
         func_8008D570(player, playerId);
     }
-    if ((player->soundEffects & 0x20000) == 0x20000) {
+    if ((player->soundEffects & UNUSED_SOUND_EFFECT_0x20000) == UNUSED_SOUND_EFFECT_0x20000) {
         func_8008D7B0(player, playerId);
     }
     if ((player->soundEffects & HIT_SOUND_EFFECT) == HIT_SOUND_EFFECT) {
@@ -1378,7 +1381,7 @@ void apply_sound_effect(Player* player, s8 playerId, UNUSED s8 screenId) {
     if ((player->soundEffects & HIT_ROTATING_SOUND_EFFECT) == HIT_ROTATING_SOUND_EFFECT) {
         apply_hit_rotating_sound_effect(player, playerId);
     }
-    if ((player->soundEffects & 0x200000) == 0x200000) {
+    if ((player->soundEffects & SPINOUT_SOUND_EFFECT) == SPINOUT_SOUND_EFFECT) {
         func_8008C73C(player, playerId);
     }
     if ((player->soundEffects & REVERSE_SOUND_EFFECT) == REVERSE_SOUND_EFFECT) {
@@ -1399,10 +1402,10 @@ void apply_sound_effect(Player* player, s8 playerId, UNUSED s8 screenId) {
     if ((player->soundEffects & BOO_SOUND_EFFECT) == BOO_SOUND_EFFECT) {
         apply_boo_sound_effect(player, playerId);
     }
-    if (player->soundEffects & 0x80) {
+    if (player->soundEffects & DRIVING_SPINOUT_SOUND_EFFECT) {
         func_8008D0FC(player, playerId);
     }
-    if (player->soundEffects & 0x80000) {
+    if (player->soundEffects & HIT_PADDLE_BOAT_SOUND_EFFECT) {
         apply_reverse_sound_effect(player, playerId);
     }
 }
@@ -1980,10 +1983,10 @@ void apply_effect(Player* player, s8 playerIndex, s8 arg2) {
         player_decelerate_alternative(player, 10.0f);
     }
     if (D_800DC510 != 5) {
-        if (player->soundEffects & 0x04000000) {
+        if (player->soundEffects & LOSE_BATTLE_SOUND_EFFECT) {
             func_8008FC64(player, playerIndex);
         }
-        if (player->soundEffects & 0x08000000) {
+        if (player->soundEffects & UNKNOWN_SOUND_EFFECT_0x08000000) {
             func_8008FCDC(player, playerIndex);
         }
     }
@@ -3321,7 +3324,7 @@ void player_accelerate_alternative(Player* player) {
     player->unk_044 |= 0x20;
     if ((player->soundEffects * 8) < 0) {
         func_8008F104(player, player_index);
-        player->soundEffects &= 0xEFFFFFFF;
+        player->soundEffects &= ~START_SPINOUT_SOUND_EFFECT;
     }
 }
 
@@ -3345,7 +3348,7 @@ void player_decelerate_alternative(Player* player, f32 speed) {
     player->unk_044 &= 0xFFDF;
     if ((player->soundEffects * 8) < 0) {
         func_8008F104(player, player_index);
-        player->soundEffects &= 0xEFFFFFFF;
+        player->soundEffects &= ~START_SPINOUT_SOUND_EFFECT;
     }
 }
 
@@ -3585,11 +3588,11 @@ void player_accelerate_during_start_sequence(Player* player) {
             var_v0 = 8;
         }
         if ((time_delta < var_v0) && ((player->unk_044 & 0x20) != 0x20)) {
-            player->soundEffects |= 0x02000000;
+            player->soundEffects |= START_BOOST_SOUND_EFFECT;
         } else if ((player->topSpeed * 0.9f) <= player->currentSpeed) {
-            if ((player->soundEffects & 0x02000000) != 0x02000000) {
-                player->soundEffects |= 0x10000000;
-                player->soundEffects &= ~0x02000000;
+            if ((player->soundEffects & START_BOOST_SOUND_EFFECT) != START_BOOST_SOUND_EFFECT) {
+                player->soundEffects |= START_SPINOUT_SOUND_EFFECT;
+                player->soundEffects &= ~START_BOOST_SOUND_EFFECT;
             }
         }
     }
@@ -3609,9 +3612,9 @@ void player_decelerate_during_start_sequence(Player* player, f32 speedReduction)
         player->currentSpeed = player->topSpeed;
     }
     if ((f64) player->currentSpeed <= (player->topSpeed * 0.7)) {
-        player->soundEffects &= ~0x10000000;
+        player->soundEffects &= ~START_SPINOUT_SOUND_EFFECT;
     }
-    player->soundEffects &= ~0x02000000;
+    player->soundEffects &= ~START_BOOST_SOUND_EFFECT;
     player->unk_044 &= ~0x0020;
     player->unk_098 = (player->currentSpeed * player->currentSpeed) / 25.0f;
 }
@@ -3860,7 +3863,7 @@ void func_80033AE0(Player* player, struct Controller* controller, s8 arg2) {
               (!(player->effects & 8))) &&
              (((player->speed / 18.0f) * 216.0f) >= 40.0f)) &&
             (player->unk_204 == 0)) {
-            player->soundEffects |= 0x80;
+            player->soundEffects |= DRIVING_SPINOUT_SOUND_EFFECT;
         }
     }
     if (((s32) player->tyres[BACK_RIGHT].surfaceType) < 0xF) {
diff --git a/src/racing/actors.c b/src/racing/actors.c
index dd10cb589..ae07f7b6d 100644
--- a/src/racing/actors.c
+++ b/src/racing/actors.c
@@ -1862,7 +1862,7 @@ void destroy_destructable_actor(struct Actor* actor) {
                     break;
                 case HELD_BANANA:
                     player = &gPlayers[banana->playerId];
-                    player->soundEffects &= ~0x00040000;
+                    player->soundEffects &= ~HOLD_BANANA_SOUND_EFFECT;
                     /* fallthrough */
                 case BANANA_ON_GROUND:
                     banana->flags = -0x8000;
@@ -1957,7 +1957,7 @@ void destroy_destructable_actor(struct Actor* actor) {
             fakeItemBox = (struct FakeItemBox*) actor;
             player = &gPlayers[(s16) fakeItemBox->playerId];
             if (fakeItemBox->state == HELD_FAKE_ITEM_BOX) {
-                player->soundEffects &= ~0x00040000;
+                player->soundEffects &= ~HOLD_BANANA_SOUND_EFFECT;
             }
             fakeItemBox->state = DESTROYED_FAKE_ITEM_BOX;
             fakeItemBox->flags = -0x8000;
@@ -2080,7 +2080,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
             if (player->effects & (BOO_EFFECT | 0x8C0)) {
                 break;
             }
-            if (player->soundEffects & 1) {
+            if (player->soundEffects & HIT_BANANA_SOUND_EFFECT) {
                 break;
             }
             temp_v1 = actor->rot[0];
@@ -2088,7 +2088,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
                 (query_collision_player_vs_actor_item(player, actor) != COLLISION)) {
                 break;
             }
-            player->soundEffects |= 1;
+            player->soundEffects |= HIT_BANANA_SOUND_EFFECT;
             owner = &gPlayers[temp_v1];
             if (owner->type & 0x4000) {
                 if (actor->flags & 0xF) {
@@ -2109,7 +2109,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
             if (player->effects & 0x80000400) {
                 break;
             }
-            if (player->soundEffects & 4) {
+            if (player->soundEffects & HIT_GREEN_SHELL_SOUND_EFFECT) {
                 break;
             }
             temp_v1 = actor->rot[2];
@@ -2117,7 +2117,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
                 (query_collision_player_vs_actor_item(player, actor) != COLLISION)) {
                 break;
             }
-            player->soundEffects |= 4;
+            player->soundEffects |= HIT_GREEN_SHELL_SOUND_EFFECT;
             func_800C98B8(player->pos, player->velocity, SOUND_ARG_LOAD(0x19, 0x01, 0x80, 0x10));
             owner = &gPlayers[temp_v1];
             if ((owner->type & 0x4000) && (temp_lo != temp_v1)) {
@@ -2126,7 +2126,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
             destroy_destructable_actor(actor);
             break;
         case ACTOR_BLUE_SPINY_SHELL:
-            if (player->soundEffects & 2) {
+            if (player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) {
                 break;
             }
             temp_v1 = actor->rot[2];
@@ -2135,7 +2135,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
                 break;
             }
             if (!(player->effects & BOO_EFFECT)) {
-                player->soundEffects |= 2;
+                player->soundEffects |= HIT_RED_BLUE_MOLE_SOUND_EFFECT;
                 func_800C98B8(player->pos, player->velocity, SOUND_ARG_LOAD(0x19, 0x01, 0x80, 0x10));
             }
             owner = &gPlayers[temp_v1];
@@ -2151,7 +2151,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
             if (player->effects & UNKNOWN_EFFECT_0x1000000) {
                 break;
             }
-            if (player->soundEffects & 2) {
+            if (player->soundEffects & HIT_RED_BLUE_MOLE_SOUND_EFFECT) {
                 break;
             }
             temp_v1 = actor->rot[2];
@@ -2160,7 +2160,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
                 break;
             }
             if (!(player->effects & BOO_EFFECT)) {
-                player->soundEffects |= 2;
+                player->soundEffects |= HIT_RED_BLUE_MOLE_SOUND_EFFECT;
                 func_800C98B8(player->pos, player->velocity, SOUND_ARG_LOAD(0x19, 0x01, 0x80, 0x10));
             }
             owner = &gPlayers[temp_v1];
@@ -2235,7 +2235,7 @@ void evaluate_collision_between_player_actor(Player* player, struct Actor* actor
                     }
                 }
                 if (actor->state == 0) {
-                    owner->soundEffects &= ~0x00040000;
+                    owner->soundEffects &= ~HOLD_BANANA_SOUND_EFFECT;
                 }
             }
             actor->state = 2;
diff --git a/src/racing/race_logic.c b/src/racing/race_logic.c
index bc2b9dffe..b34191231 100644
--- a/src/racing/race_logic.c
+++ b/src/racing/race_logic.c
@@ -565,7 +565,7 @@ void func_8028EF28(void) {
                                 }
                                 D_800DC510 = 5;
                                 i = gPlayerPositionLUT[1];
-                                gPlayers[i].soundEffects |= 0x200000;
+                                gPlayers[i].soundEffects |= SPINOUT_SOUND_EFFECT;
                                 gPlayers[i].type |= PLAYER_CPU;
                                 func_800CA118((u8) i);
                                 break;
@@ -583,7 +583,7 @@ void func_8028EF28(void) {
                                     if (*(gNmiUnknown2 + i * 3 + 2) > 99) {
                                         *(gNmiUnknown2 + i * 3 + 2) = 99;
                                     }
-                                    gPlayers[i].soundEffects |= 0x200000;
+                                    gPlayers[i].soundEffects |= SPINOUT_SOUND_EFFECT;
                                     gPlayers[i].type |= PLAYER_CPU;
                                     func_800CA118((u8) i);
                                 }
@@ -598,7 +598,7 @@ void func_8028EF28(void) {
                                 if (currentPosition == 2) {
                                     D_800DC510 = 5;
                                     i = gPlayerPositionLUT[3];
-                                    gPlayers[i].soundEffects |= 0x200000;
+                                    gPlayers[i].soundEffects |= SPINOUT_SOUND_EFFECT;
                                     gPlayers[i].type |= PLAYER_CPU;
                                     func_800CA118((u8) i);
                                 }
diff --git a/src/render_player.c b/src/render_player.c
index a90ed7f45..eee83a100 100644
--- a/src/render_player.c
+++ b/src/render_player.c
@@ -1502,8 +1502,8 @@ void render_kart(Player* player, s8 playerId, s8 arg2, s8 flipOffset) {
                              AA_EN | Z_CMP | Z_UPD | IM_RD | CVG_DST_WRAP | ZMODE_XLU | CVG_X_ALPHA | FORCE_BL |
                                  GBL_c2(G_BL_CLR_IN, G_BL_A_IN, G_BL_CLR_MEM, G_BL_1MA));
         }
-    } else if (((player->unk_0CA & 4) == 4) || (player->soundEffects & 0x08000000) ||
-               (player->soundEffects & 0x04000000)) {
+    } else if (((player->unk_0CA & 4) == 4) || (player->soundEffects & UNKNOWN_SOUND_EFFECT_0x08000000) ||
+               (player->soundEffects & LOSE_BATTLE_SOUND_EFFECT)) {
         gSPMatrix(gDisplayListHead++, VIRTUAL_TO_PHYSICAL(&gGfxPool->mtxKart[playerId + (arg2 * 8)]),
                   G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW);
         gSPDisplayList(gDisplayListHead++, common_setting_render_character);
diff --git a/src/update_objects.c b/src/update_objects.c
index 7533ae63a..2df69fc44 100644
--- a/src/update_objects.c
+++ b/src/update_objects.c
@@ -5981,7 +5981,7 @@ void func_80080B28(s32 objectIndex, s32 playerId) {
 
     temp_s0 = &gPlayerOne[playerId];
     if (is_obj_flag_status_active(objectIndex, 0x00000200) != 0) {
-        if (!(temp_s0->soundEffects & 0x100)) {
+        if (!(temp_s0->soundEffects & HIT_SOUND_EFFECT)) {
             temp_f0 = func_80088F54(objectIndex, temp_s0);
             if ((temp_f0 <= 9.0) && !(temp_s0->effects & 0x04000000) &&
                 (has_collided_horizontally_with_player(objectIndex, temp_s0) != 0)) {
@@ -6012,7 +6012,7 @@ void func_80080B28(s32 objectIndex, s32 playerId) {
                     func_800722A4(objectIndex, 2);
                     temp_s0->unk_040 = (s16) objectIndex;
                     temp_s0->unk_046 |= 2;
-                    temp_s0->soundEffects |= 0x100;
+                    temp_s0->soundEffects |= HIT_SOUND_EFFECT;
                     func_80088FF0(temp_s0);
                 }
             }
@@ -6029,7 +6029,7 @@ void func_80080DE4(s32 arg0) {
     player = gPlayerOne;
     for (var_v1 = 0; var_v1 < NUM_PLAYERS; var_v1++, player++) {
         if (arg0 == player->unk_040) {
-            player->soundEffects &= ~0x100;
+            player->soundEffects &= ~HIT_SOUND_EFFECT;
             player->unk_040 = -1;
         }
     }
@@ -6397,7 +6397,7 @@ void func_80081D34(s32 objectIndex) {
                 if (player->effects & 0x200) {
                     func_800C9060(playerIndex, 0x1900A046U);
                 } else {
-                    player->soundEffects |= 2;
+                    player->soundEffects |= HIT_RED_BLUE_MOLE_SOUND_EFFECT;
                 }
                 object->direction_angle[1] = var_s4->rot[1];
                 object->velocity[1] = (player->speed / 2) + 3.0;