Implement SchroederReverb framework

2 files changed, 43 insertions, 0 deletions

diff --git a/src/DSP/SchroederReverb.cpp b/src/DSP/SchroederReverb.cpp
new file mode 100644
index 0000000..8bd764d
--- /dev/null
+++ b/src/DSP/SchroederReverb.cpp
@@ -0,0 +1,27 @@
+#include "SchroederReverb.h"
+
+void SchroederReverb::prepare(double sampleRate, int samplesPerBlock) {
+  combFilter0.prepare(sampleRate, samplesPerBlock);
+  combFilter1.prepare(sampleRate, samplesPerBlock);
+  combFilter2.prepare(sampleRate, samplesPerBlock);
+  combFilter3.prepare(sampleRate, samplesPerBlock);
+  allPassFilter0.prepare(sampleRate, samplesPerBlock);
+  allPassFilter1.prepare(sampleRate, samplesPerBlock);    
+}
+
+void SchroederReverb::process(float *sample) {
+  float in0 = *sample;
+  float in1 = *sample;
+  float in2 = *sample;
+  float in3 = *sample;
+
+  combFilter0.process(&in0);
+  combFilter1.process(&in1);
+  combFilter2.process(&in2);
+  combFilter3.process(&in3);
+
+  float allPassIn = in0 + in1 + in2 + in3;
+  allPassFilter0.process(&allPassIn);
+  allPassFilter1.process(&allPassIn);
+  *sample = allPassIn;
+}
diff --git a/src/DSP/SchroederReverb.h b/src/DSP/SchroederReverb.h
new file mode 100644
index 0000000..8c4567a
--- /dev/null
+++ b/src/DSP/SchroederReverb.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include <juce_audio_processors/juce_audio_processors.h>
+#include "CombFilter.h"
+#include "AllPassFilter.h"
+
+class SchroederReverb {
+public:
+  void prepare(double sampleRate, int samplesPerBlock);
+  void reset();
+  void process(float* sample);
+
+private:
+  CombFilter combFilter0, combFilter1, combFilter2, combFilter3;
+  AllPassFilter allPassFilter0, allPassFilter1;
+};