Gordonjcp/barrverb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Label filter computations correctly

Browse Source
This commit is contained in:
Gordon JC Pearce 2024-07-28 22:00:07 +01:00
parent bce9ecc2d0
commit 02b8622bf6
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
plugin/barrverb.cpp
View File

@ -52,7 +52,7 @@ BarrVerb::BarrVerb() : Plugin(kParameterCount, 1, 0) { // two parameters, one p
float fc = 10000;
float F = fc / 48000; // assume 48kHz
float w = 2 * tan(3.14159 * F);
float a = w / 0.5412; // 1dB Chebyshev, 2-pole
float a = w / 0.5412; // Butterworth 4-pole first stage
float b = w * w;
// "corrected" SVF params, per Fons Adriaensen
@ -63,7 +63,7 @@ BarrVerb::BarrVerb() : Plugin(kParameterCount, 1, 0) { // two parameters, one p
fc = 10000;
F = fc / 48000; // assume 48kHz
w = 2 * tan(3.14159 * F);
a = w / 1.3065; // 1dB Chebyshev, 2-pole
a = w / 1.3065; // Butterworth 4-pole second stage
b = w * w;
c1_2 = (a + b) / (1 + a / 2 + b / 4);