Filter tuning

1 year ago · e2e05b0520
parent 50ec97005e
commit e2e05b0520
1 changed files with 1 additions and 1 deletions
--- a/include/synth/dsp/filter.h
+++ b/include/synth/dsp/filter.h
@ -26,7 +26,7 @@ public:

    Output tick(float as, float freq, float Q) {
        Output out;
-        float kK = tan(M_PI_4 * clamp(freq, 0, 1));
+        float kK = tan(M_PI_4 * clamp(0.001 * exp(freq * 6.907), 0, 1));
        float kQ = fmaxf(0, Q);
        
        float kdiv = 1 + kK/kQ + kK*kK;