Fix #50: potential NRE during launch or when parts break

Author: JonnyOThan

CHANGELOG.md

@@ -7,6 +7,7 @@
 - Improve performance when vessel part count changes several times in a frame (e.g. during RUD)
 - Avoid creating ShipEffects VesselModule for non-loaded vessels
 - Cache references to mixer groups
+- Fix NRE in comb filter during launch or when parts break
 
 ## 0.9.13 - 2026-04-20
 

Source/RocketSoundEnhancement/AudioFilters/AirSimulationFilter.cs

@@ -177,7 +177,7 @@ private void OnAudioFilterRead(float[] data, int channels)
         {
             for (int i = 0; i < data.Length; i++)
             {
-                if (EnableCombFilter)
+                if (buffer != null)
                 {
                     data[i] = CombFilter(data[i]);
                 }