diff --git a/src/App.tsx b/src/App.tsx
index cb12ba9..db5503b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -28,7 +28,10 @@ import { Mic, MicOff, SkipForward, HelpCircle, Volume2, X, Guitar, Settings, Max
 import './App.css';
 import './styles/skip-button.css';
 
-const NOTE_MATCH_THRESHOLD_MS = 300; // How long to convert hold note to confirm
+import { NOTE_MATCH_THRESHOLD_MS } from './AppConfig';
+
+
+
 
 function App() {
   const [listening, setListening] = useState(false);
diff --git a/src/AppConfig.ts b/src/AppConfig.ts
new file mode 100644
index 0000000..8f144dd
--- /dev/null
+++ b/src/AppConfig.ts
@@ -0,0 +1,6 @@
+/**
+ * Global application configuration
+ */
+
+// How long (in ms) a note must be held to be accepted as correct
+export const NOTE_MATCH_THRESHOLD_MS = 50;