mirror/lmms
1
0
Fork 0
mirror of https://github.com/LMMS/lmms.git synced 2026-03-12 02:57:31 -04:00
Code Issues Packages Projects Releases Wiki Activity

Fix Equalizer LP/HP curve display (#6748)

Browse Source
This commit is contained in:
Lost Robot
2023-06-26 17:23:47 -07:00
committed by GitHub
parent 405738f66f
commit 4ea8a70de6
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
plugins/Eq/EqCurve.cpp
View File

@@ -316,8 +316,7 @@ float EqHandle::getLowCutCurve( float x )
double c = cosf( w0 );
double s = sinf( w0 );
double resonance = getResonance();
double A = pow( 10, yPixelToGain( EqHandle::y(), m_heigth, m_pixelsPerUnitHeight ) / 20);
double alpha = s / 2 * sqrt ( ( A +1/A ) * ( 1 / resonance -1 ) +2 );
double alpha = s / (2 * resonance);
double a0, a1, a2, b0, b1, b2; // coeffs to calculate
b0 = ( 1 + c ) * 0.5;
@@ -360,8 +359,7 @@ float EqHandle::getHighCutCurve( float x )
double c = cosf( w0 );
double s = sinf( w0 );
double resonance = getResonance();
double A = pow( 10, yPixelToGain( EqHandle::y(), m_heigth, m_pixelsPerUnitHeight ) / 20 );
double alpha = s / 2 * sqrt ( ( A + 1 / A ) * ( 1 / resonance -1 ) +2 );
double alpha = s / (2 * resonance);
double a0, a1, a2, b0, b1, b2; // coeffs to calculate
b0 = ( 1 - c ) * 0.5;