1 files changed, 0 insertions, 27 deletions
diff --git a/intern/audaspace/FX/AUD_LowpassCalculator.cpp b/intern/audaspace/FX/AUD_LowpassCalculator.cpp
deleted file mode 100644
index 57452f09038..00000000000
--- a/intern/audaspace/FX/AUD_LowpassCalculator.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#include "AUD_LowpassCalculator.h"
-
-#include <cmath>
-
-#ifndef M_PI
-#define M_PI 3.14159265358979323846
-#endif
-
-AUD_LowpassCalculator::AUD_LowpassCalculator(float frequency, float Q) :
-	m_frequency(frequency),
-	m_Q(Q)
-{
-}
-
-void AUD_LowpassCalculator::recalculateCoefficients(AUD_SampleRate rate, std::vector<float> &b, std::vector<float> &a)
-{
-	float w0 = 2 * M_PI * m_frequency / rate;
-	float alpha = sin(w0) / (2 * m_Q);
-	float norm = 1 + alpha;
-	float c = cos(w0);
-	a.push_back(1);
-	a.push_back(-2 * c / norm);
-	a.push_back((1 - alpha) / norm);
-	b.push_back((1 - c) / (2 * norm));
-	b.push_back((1 - c) / norm);
-	b.push_back(b[0]);
-}