fix multiple wasapi listeners

Assets/Prefabs/Menu.prefab

@@ -1,5 +1,72 @@
 %YAML 1.1
 %TAG !u! tag:unity3d.com,2011:
+--- !u!1 &4011236396290952328
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 1729957376054616780}
+  - component: {fileID: 4411218952747006310}
+  - component: {fileID: 1740187066128017440}
+  m_Layer: 5
+  m_Name: Kaiju
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &1729957376054616780
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4011236396290952328}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 5305278010342315827}
+  m_RootOrder: 2
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 1}
+  m_AnchorMax: {x: 0, y: 1}
+  m_AnchoredPosition: {x: 256, y: -64}
+  m_SizeDelta: {x: 400, y: 400}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!222 &4411218952747006310
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4011236396290952328}
+  m_CullTransparentMesh: 1
+--- !u!114 &1740187066128017440
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 4011236396290952328}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: ef8b96895a0ec4ba685178a052544251, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+  m_Sprite: {fileID: 3286163911610860551, guid: c50f3ace9fc08934fb2a5bd9b3f30ae0, type: 3}
+  m_PreserveAspect: 1
 --- !u!1 &5305278009141335879
 GameObject:
   m_ObjectHideFlags: 0
@@ -17,7 +84,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &5305278009141335878
 RectTransform:
   m_ObjectHideFlags: 0
@@ -190,6 +257,7 @@ RectTransform:
   m_Children:
   - {fileID: 5305278009141335878}
   - {fileID: 5305278009821670018}
+  - {fileID: 1729957376054616780}
   m_Father: {fileID: 0}
   m_RootOrder: 0
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}

Assets/WasapiAudio/Scripts/Unity/WasapiAudioSource.cs

@@ -17,8 +17,7 @@ namespace Assets.WasapiAudio.Scripts.Unity
         public int MaxFrequency = 20000;
         public WasapiAudioFilter[] Filters;
 
-        public void Awake()
-        {
+        public void Awake() {
             // Setup loopback audio and start listening
             _wasapiAudio = new Core.WasapiAudio(CaptureType, SpectrumSize, ScalingStrategy, MinFrequency, MaxFrequency, Filters, spectrumData =>
             {
@@ -28,18 +27,11 @@ namespace Assets.WasapiAudio.Scripts.Unity
             _wasapiAudio.StartListen();
         }
 
-        public void Update()
-        {
-
-        }
-
-        public float[] GetSpectrumData()
-        {
+        public float[] GetSpectrumData() {
             return _spectrumData;
         }
 
-        public void OnApplicationQuit()
-        {
+        void OnDestroy() {
             _wasapiAudio?.StopListen();
         }
     }