Updated Audio modes demystified (markdown)

Audio-modes-demystified.md

@@ -52,6 +52,10 @@ Alternatively, you can try to convince the game to use your ASIO-compatible devi
 > [!WARNING]  
 > Software ASIO drivers, such as ASIO4ALL, ASIO4ALL v2, FlexASIO are **not** going to provide you with better latency in most cases. They are receiving ASIO and then converting them to WASAPI Exclusive or Shared in the back end (on your CPU). If your hardware does not natively support ASIO, avoid these software solutions, and instead try to change spice options and/or patch the game to use **WASAPI Exclusive** for best performance.
 
+### XAudio2
+
+Nostalgia uses XAudio2 API.
+
 # What should I use then?
 
 ## Optimizing for latency