Patrick Thomas / ParametricEQ

A parametric EQ that uses a fixed point, direct form 2 transposed, implementation of a Butterworth filter. The following parameters can be adjusted: Gain (dB), Bandwidth Gain (dB), Centre frequency (Hz), Bandwidth (Hz), Order, Type (Peaking, Bandstop, Bandpass, Low Shelf, High Shelf, Low Pass or High Pass).

Diff: ParametricEQ.h

Revision:
1:0545d8890dc6
Parent:
0:2e17a3d6907c
Child:
2:74e41881a5d9
diff -r 2e17a3d6907c -r 0545d8890dc6 ParametricEQ.h
--- a/ParametricEQ.h	Thu Aug 04 19:34:39 2016 +0000
+++ b/ParametricEQ.h	Thu Aug 04 19:47:00 2016 +0000
@@ -64,6 +64,19 @@
  *  }
  * @endcode
  */
+ 
+enum FilterType {
+    
+    Peaking,
+    BandPass,
+    BandStop,
+    LowShelf,
+    HighShelf,
+    LowPass,
+    HighPass    
+};
+ 
+class ParametricEQ {
 
 class biquad {
     
@@ -95,19 +108,6 @@
     int execute(int input);
 };
 
-enum FilterType {
-    
-    Peaking,
-    BandPass,
-    BandStop,
-    LowShelf,
-    HighShelf,
-    LowPass,
-    HighPass    
-};
-
-class ParametricEQ {
-
     // This module's fx blocks
     biquad fx_blocks[(MAX_ORDER + 1)/2];