diff --git a/src/FAudioGMS.c b/src/FAudioGMS.c
index af50922..b64536e 100644
--- a/src/FAudioGMS.c
+++ b/src/FAudioGMS.c
@@ -535,69 +535,69 @@ double FAudioGMS_StaticSound_LoadWAV(char *filePath)
     return (double)sound->id;
 }
 
-static void FAudioGMS_INTERNAL_SoundInstance_SetLowPassFilter(FAudioGMS_SoundInstance* instance, float lowPassFilter)
+static void FAudioGMS_INTERNAL_SoundInstance_SetLowPassFilter(FAudioGMS_SoundInstance* instance, float lowPassFilter, float Q)
 {
     FAudioFilterParameters p;
     p.Type = FAudioLowPassFilter;
     p.Frequency = lowPassFilter;
-    p.OneOverQ = 1.0f;
+    p.OneOverQ = 1.0f / Q;
 
     FAudioVoice_SetFilterParameters(instance->handle, &p, 0);
 
     instance->lowPassFilter = lowPassFilter;
 }
 
-void FAudioGMS_SoundInstance_SetLowPassFilter(double soundInstanceID, double lowPassFilter)
+void FAudioGMS_SoundInstance_SetLowPassFilter(double soundInstanceID, double lowPassFilter, double Q)
 {
     FAudioGMS_SoundInstance *instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)soundInstanceID);
 
     if (instance != NULL)
     {
-        FAudioGMS_INTERNAL_SoundInstance_SetLowPassFilter(instance, lowPassFilter);
+        FAudioGMS_INTERNAL_SoundInstance_SetLowPassFilter(instance, lowPassFilter, Q);
     }
 }
 
-static void FAudioGMS_INTERNAL_SoundInstance_SetHighPassFilter(FAudioGMS_SoundInstance* instance, float highPassFilter)
+static void FAudioGMS_INTERNAL_SoundInstance_SetHighPassFilter(FAudioGMS_SoundInstance* instance, float highPassFilter, float Q)
 {
     FAudioFilterParameters p;
     p.Type = FAudioHighPassFilter;
     p.Frequency = highPassFilter;
-    p.OneOverQ = 1.0f;
+    p.OneOverQ = 1.0f / Q;
 
     FAudioVoice_SetFilterParameters(instance->handle, &p, 0);
 
     instance->highPassFilter = highPassFilter;
 }
 
-void FAudioGMS_SoundInstance_SetHighPassFilter(double soundInstanceID, double highPassFilter)
+void FAudioGMS_SoundInstance_SetHighPassFilter(double soundInstanceID, double highPassFilter, double Q)
 {
     FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)soundInstanceID);
 
     if (instance != NULL)
     {
-        FAudioGMS_INTERNAL_SoundInstance_SetHighPassFilter(instance, highPassFilter);
+        FAudioGMS_INTERNAL_SoundInstance_SetHighPassFilter(instance, highPassFilter, Q);
     }
 }
 
-static void FAudioGMS_INTERNAL_SoundInstance_SetBandPassFilter(FAudioGMS_SoundInstance* instance, float bandPassFilter)
+static void FAudioGMS_INTERNAL_SoundInstance_SetBandPassFilter(FAudioGMS_SoundInstance* instance, float bandPassFilter, float Q)
 {
     FAudioFilterParameters p;
     p.Type = FAudioBandPassFilter;
     p.Frequency = bandPassFilter;
-    p.OneOverQ = 1.0f;
+    p.OneOverQ = 1.0f / Q;
 
     FAudioVoice_SetFilterParameters(instance->handle, &p, 0);
 
     instance->bandPassFilter = bandPassFilter;
 }
 
-void FAudioGMS_SoundInstance_SetBandPassFilter(double soundInstanceID, double bandPassFilter)
+void FAudioGMS_SoundInstance_SetBandPassFilter(double soundInstanceID, double bandPassFilter, double Q)
 {
     FAudioGMS_SoundInstance* instance = FAudioGMS_INTERNAL_LookupSoundInstance((uint32_t)soundInstanceID);
 
     if (instance != NULL)
     {
-        FAudioGMS_INTERNAL_SoundInstance_SetBandPassFilter(instance, bandPassFilter);
+        FAudioGMS_INTERNAL_SoundInstance_SetBandPassFilter(instance, bandPassFilter, Q);
     }
 }
 
diff --git a/src/FAudioGMS.h b/src/FAudioGMS.h
index 56d0dd9..c9b4531 100644
--- a/src/FAudioGMS.h
+++ b/src/FAudioGMS.h
@@ -60,9 +60,9 @@ FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetVolume(double soundInstanceID, doub
 FAUDIOGMSAPI void FAudioGMS_SoundInstance_Set3DPosition(double soundInstanceID, double x, double y, double z);
 FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetTrackPositionInSeconds(double soundInstanceID, double trackPositionInSeconds);
 FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetVolumeOverTime(double soundInstanceID, double volume, double milliseconds);
-FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetLowPassFilter(double soundInstanceID, double lowPassFilter);
-FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetHighPassFilter(double soundInstanceID, double highPassFilter);
-FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetBandPassFilter(double soundInstanceID, double bandPassFilter);
+FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetLowPassFilter(double soundInstanceID, double lowPassFilter, double Q);
+FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetHighPassFilter(double soundInstanceID, double highPassFilter, double Q);
+FAUDIOGMSAPI void FAudioGMS_SoundInstance_SetBandPassFilter(double soundInstanceID, double bandPassFilter, double Q);
 
 FAUDIOGMSAPI double FAudioGMS_SoundInstance_GetPitch(double soundInstanceID);
 FAUDIOGMSAPI double FAudioGMS_SoundInstance_GetVolume(double soundInstanceID);