diff --git a/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml b/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml
index 9169862..7fe9e0d 100644
--- a/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml
+++ b/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml
@@ -6,10 +6,8 @@
   <component name="ChangeListManager">
     <list default="true" id="e81d6e08-efc7-40a0-909d-ec4943d948e9" name="Changes" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.KhaoticEngineReborn/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/camera_class.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/camera_class.h" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/component.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/component.h" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/application_class.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/application_class.h" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/components/audio_component.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/components/audio_component.h" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/components/transform_component.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/components/transform_component.h" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/entity.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/entity.h" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/entity_manager.h" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/inc/system/ecs/entity_manager.h" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/enginecustom/src/src/system/application_class.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/enginecustom/src/src/system/application_class.cpp" afterDir="false" />
@@ -259,7 +257,8 @@
       <workItem from="1757952605657" duration="117000" />
       <workItem from="1757952791669" duration="4499000" />
       <workItem from="1757959923169" duration="1930000" />
-      <workItem from="1757961888820" duration="8937000" />
+      <workItem from="1757961888820" duration="9053000" />
+      <workItem from="1758030961823" duration="1895000" />
     </task>
     <task id="LOCAL-00001" summary="Minor update - viewport window tweak">
       <option name="closed" value="true" />
diff --git a/enginecustom/src/inc/system/application_class.h b/enginecustom/src/inc/system/application_class.h
index 8a6182f..94089b6 100644
--- a/enginecustom/src/inc/system/application_class.h
+++ b/enginecustom/src/inc/system/application_class.h
@@ -662,6 +662,13 @@ private :
 
 	input inputs_;
 	bool tab_was_pressed_;
+
+	// ------------------------------------------------- //
+	// ------------------- SOUND ----------------------- //
+	// ------------------------------------------------- //
+
+	// shared pointer to the FMOD system
+	FMOD::System* sound_system_;
 };
 
 #endif
\ No newline at end of file
diff --git a/enginecustom/src/inc/system/ecs/components/audio_component.h b/enginecustom/src/inc/system/ecs/components/audio_component.h
index 5d07b73..aa5508d 100644
--- a/enginecustom/src/inc/system/ecs/components/audio_component.h
+++ b/enginecustom/src/inc/system/ecs/components/audio_component.h
@@ -16,7 +16,7 @@
 namespace ecs {
 class AudioComponent : public Component {
 public:
-    AudioComponent() : m_system(nullptr), m_sound(nullptr), m_channel(nullptr) {}
+    AudioComponent() : m_sound(nullptr), m_channel(nullptr) {}
     ~AudioComponent() override {
         if (m_sound) m_sound->release();
         // Ne pas libérer m_system ici car il peut être partagé
@@ -24,27 +24,12 @@ public:
 
     void Initialize() override
     {
-        // create FMOD system if not already created
-        if (!m_system)
-        {
-            FMOD_RESULT result = FMOD::System_Create(&m_system);
-            if (result != FMOD_OK) {
-                m_lastError = "Échec de la création du système FMOD: " + std::to_string(result);
-                return;
-            }
-            
-            result = m_system->init(512, FMOD_INIT_NORMAL | FMOD_INIT_3D_RIGHTHANDED, nullptr);
-            if (result != FMOD_OK) {
-                m_lastError = "Échec de l'initialisation du système FMOD: " + std::to_string(result);
-                m_system->release();
-                m_system = nullptr;
-            }
-        }
 
         auto parent = GetParent();
         if (parent && parent->GetCamera())
         {
             SetCamera(parent->GetCamera());
+            SetSoundSystem(parent->GetSoundSystem());
         }
         
     }
@@ -392,7 +377,9 @@ public:
         }
     }
 
-
+    void SetSoundSystem(FMOD::System* system) {
+        m_system = system;
+    }
 
 private:
     FMOD::System* m_system;
diff --git a/enginecustom/src/inc/system/ecs/entity.h b/enginecustom/src/inc/system/ecs/entity.h
index 84fb250..f837d0f 100644
--- a/enginecustom/src/inc/system/ecs/entity.h
+++ b/enginecustom/src/inc/system/ecs/entity.h
@@ -7,6 +7,7 @@
 #include <cassert>
 
 #include "camera_class.h"
+#include <Fmod/core/inc/fmod.hpp>
 
 namespace ecs {
     /**
@@ -140,6 +141,9 @@ public:
     void SetCamera(camera_class* camera) {m_camera = camera; }
     camera_class* GetCamera() const { return m_camera; }
 
+    void SetSoundSystem(FMOD::System* soundSystem) {m_soundSystem = soundSystem; }
+    FMOD::System* GetSoundSystem() const { return m_soundSystem; }
+
 private:
 
     /**
@@ -154,6 +158,9 @@ private:
 
     // camera
     camera_class* m_camera = nullptr;
+
+    // FMOD sound system
+    FMOD::System* m_soundSystem = nullptr;
 };
 
 }  // namespace ecs
diff --git a/enginecustom/src/inc/system/ecs/entity_manager.h b/enginecustom/src/inc/system/ecs/entity_manager.h
index 65ecb50..a06c493 100644
--- a/enginecustom/src/inc/system/ecs/entity_manager.h
+++ b/enginecustom/src/inc/system/ecs/entity_manager.h
@@ -32,6 +32,7 @@ public:
         
         auto entity = std::make_shared<Entity>(id);
         entity->SetCamera(camera_);
+        entity->SetSoundSystem(sound_system_);
         m_Entities[id] = entity;
         
         return entity;
@@ -148,11 +149,15 @@ public:
     void SetCamera(camera_class* camera) { camera_ = camera; }
     camera_class* GetCamera() const { return camera_; }
 
+    void SetSoundSystem(FMOD::System* sound_system) { sound_system_ = sound_system; }
+    FMOD::System* GetSoundSystem() const { return sound_system_; }
+
 private:
     EntityID m_NextEntityID;
     std::unordered_map<EntityID, std::shared_ptr<Entity>> m_Entities;
     std::queue<EntityID> m_FreeIDs; // IDs à réutiliser
     camera_class* camera_ = nullptr;
+    FMOD::System* sound_system_ = nullptr;
 };
 
 }  // namespace ecs
diff --git a/enginecustom/src/src/system/application_class.cpp b/enginecustom/src/src/system/application_class.cpp
index 949b794..d753d28 100644
--- a/enginecustom/src/src/system/application_class.cpp
+++ b/enginecustom/src/src/system/application_class.cpp
@@ -46,6 +46,7 @@ application_class::application_class() : should_quit_(false)
 	light_model_ = nullptr;
 	render_count_ = 0;
 	tab_was_pressed_ = false;
+	sound_system_ = nullptr;
 }
 
 application_class::~application_class()
@@ -503,8 +504,23 @@ bool application_class::initialize(int screenWidth, int screenHeight, HWND hwnd,
 
 		culling_active_ = true;
 		culling_thread_ = std::thread(&application_class::culling_thread_function, this);
-
+		
+		FMOD_RESULT FMOD_result = FMOD::System_Create(&sound_system_);
+		std::string m_lastError;
+		if (FMOD_result != FMOD_OK) {
+			m_lastError = "Échec de la création du système FMOD: " + std::to_string(FMOD_result);
+			return false;
+		}
+		
+		FMOD_result = sound_system_->init(512, FMOD_INIT_NORMAL | FMOD_INIT_3D_RIGHTHANDED, nullptr);
+		if (FMOD_result != FMOD_OK) {
+			m_lastError = "Échec de l'initialisation du système FMOD: " + std::to_string(FMOD_result);
+			sound_system_->release();
+			sound_system_ = nullptr;
+		}
+		
 		entity_manager_->SetCamera(camera_);
+		entity_manager_->SetSoundSystem(sound_system_);
 		
 
 	}