BogaudioModules

commit 157290f8189a510d0e4974224995fe15a3a067c0
parent 47d6f4a6a3e1b9a94d1fe68a0c995234a780ce0a
Author: Matt Demanett <matt@demanett.net>
Date:   Fri, 15 Jun 2018 01:52:42 -0400

Note source for saturator.

Diffstat:
M
src/dsp/signal.cpp
 | 
1
+

1 file changed, 1 insertion(+), 0 deletions(-)
diff --git a/src/dsp/signal.cpp b/src/dsp/signal.cpp
@@ -413,6 +413,7 @@ float Limiter::next(float sample) {
 
 const float Saturator::limit = 12.0f;
 
+// Zavalishin 2018, "The Art of VA Filter Design", http://www.native-instruments.com/fileadmin/ni_media/downloads/pdf/VAFilterDesign_2.0.0a.pdf
 static inline float saturation(float x) {
 	const float y1 = 0.98765f; // (2*x - 1)/x**2 where x is 0.9.
 	const float offset = 0.075f / Saturator::limit; // magic.