diff --git a/rpcs3/Emu/Cell/Modules/cellSysutilAvc2.cpp b/rpcs3/Emu/Cell/Modules/cellSysutilAvc2.cpp
index 9945d068bb..d8b34e08fd 100644
--- a/rpcs3/Emu/Cell/Modules/cellSysutilAvc2.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellSysutilAvc2.cpp
@@ -54,7 +54,8 @@ s32 cellSysutilAvc2SetVoiceMuting()
 
 s32 cellSysutilAvc2StartVoiceDetection()
 {
-	fmt::throw_exception("Unimplemented" HERE);
+	cellSysutilAvc2.todo("cellSysutilAvc2StartVoiceDetection()");
+	return CELL_OK;
 }
 
 s32 cellSysutilAvc2UnloadAsync()
@@ -87,10 +88,10 @@ s32 cellSysutilAvc2SetWindowString()
 	fmt::throw_exception("Unimplemented" HERE);
 }
 
-s32 cellSysutilAvc2EstimateMemoryContainerSize()
+s32 cellSysutilAvc2EstimateMemoryContainerSize(vm::cptr<CellSysutilAvc2InitParam> initparam, vm::ptr<u32> size)
 {
-	UNIMPLEMENTED_FUNC(cellSysutilAvc2); 
-  	return CELL_OK;
+	cellSysutilAvc2.todo("cellSysutilAvc2EstimateMemoryContainerSize(initparam=*0x%x, size=*0x%x)", initparam, size);
+	return CELL_OK;
 }
 
 s32 cellSysutilAvc2SetVideoMuting()
@@ -130,9 +131,10 @@ s32 cellSysutilAvc2GetSpeakerVolumeLevel()
 
 s32 cellSysutilAvc2IsCameraAttached(vm::ptr<u8> status)
 {
-	cellSysutilAvc2.todo("cellSysutilAvc2IsCameraAttached()");
+	cellSysutilAvc2.todo("cellSysutilAvc2IsCameraAttached(status=*0x%x)", status);
 
 	*status = CELL_AVC2_CAMERA_STATUS_DETACHED;
+
 	return CELL_OK;
 }
 
@@ -273,14 +275,16 @@ s32 cellSysutilAvc2SetSpeakerMuting()
 	fmt::throw_exception("Unimplemented" HERE);
 }
 
-s32 cellSysutilAvc2Load()
+s32 cellSysutilAvc2Load(SceNpMatching2ContextId ctx_id, u32 container, vm::ptr<CellSysutilAvc2Callback> callback_func, vm::ptr<void> user_data, vm::cptr<CellSysutilAvc2InitParam> init_param)
 {
-	fmt::throw_exception("Unimplemented" HERE);
+	cellSysutilAvc2.todo("cellSysutilAvc2Load(ctx_id=0x%x, container=0x%x, callback_func=*0x%x, user_data=*0x%x, init_param=*0x%x)", ctx_id, container, callback_func, user_data, init_param);
+	return CELL_OK;
 }
 
-s32 cellSysutilAvc2SetAttribute()
+s32 cellSysutilAvc2SetAttribute(vm::cptr<CellSysutilAvc2Attribute> attr)
 {
-	fmt::throw_exception("Unimplemented" HERE);
+	cellSysutilAvc2.todo("cellSysutilAvc2SetAttribute(attr=*0x%x)", attr);
+	return CELL_OK;
 }
 
 s32 cellSysutilAvc2UnloadAsync2()
@@ -303,10 +307,13 @@ s32 cellSysutilAvc2HideWindow()
 	fmt::throw_exception("Unimplemented" HERE);
 }
 
-s32 cellSysutilAvc2GetVoiceMuting()
+s32 cellSysutilAvc2GetVoiceMuting(vm::ptr<u8> muting)
 {
-	UNIMPLEMENTED_FUNC(cellSysutilAvc2); 
-  	return CELL_OK;
+	cellSysutilAvc2.todo("cellSysutilAvc2GetVoiceMuting(muting=*0x%x)", muting);
+
+	*muting = 1;
+
+	return CELL_OK;
 }
 
 s32 cellSysutilAvc2GetScreenShowStatus()