不韋 呂
Integrated program of 4 different kinds of application programs for processing sound signal. 4種類のサウンド信号処理を統合したプログラム．
Dependencies: F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton UIT_FFT_Real
Diff: MyAcousticEffector_MIC/Reverberator.hpp
- Revision:
- 14:34c356ceb8e7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MyAcousticEffector_MIC/Reverberator.hpp Thu Apr 13 23:23:04 2017 +0000
@@ -0,0 +1,51 @@
+//--------------------------------------------------------------
+// Reverberation generator
+//
+// 2017/04/10, Copyright (c) 2017 MIKAMI, Naoki
+//--------------------------------------------------------------
+
+#ifndef REVERBERATION_SYSTEM_HPP
+#define REVERBERATION_SYSTEM_HPP
+
+#include "ReverbUnit.hpp"
+#include "ProcessingBase.hpp"
+
+namespace Mikami
+{
+ class Reverberator : public ProcessingBase
+ {
+ public:
+ Reverberator(float gC = 0.8f, float gA = 0.6f)
+ : G0_(1.0f - gC),
+ DELAY_INIT_(6000), variableDelay_(6000),
+ cmF1_(gC, 887+1500), cmF2_(gC, 1153+3000),
+ cmF3_(gC, 1499+6000),
+ apF1_(gA, 97), apF2_(gA, 131) {}
+
+ virtual float Execute(float sn)
+ {
+ float xn = G0_*sn;
+ float yn = cmF1_.Execute(xn, variableDelay_/4)
+ + cmF2_.Execute(xn, variableDelay_/2)
+ + cmF3_.Execute(xn, variableDelay_);
+ yn = apF2_.Execute(apF1_.Execute(yn));
+ yn = yn + xn; // add direct input signal
+ return yn;
+ }
+
+ void SetDelay(int n) { variableDelay_ = DELAY_INIT_ - n; }
+
+ private:
+ const float G0_;
+ const int DELAY_INIT_;
+ int variableDelay_;
+
+ CombFilter cmF1_, cmF2_, cmF3_;
+ AllPassFilter apF1_, apF2_;
+
+ // disallow copy constructor and assignment operator
+ Reverberator(const Reverberator&);
+ Reverberator& operator=(const Reverberator&);
+ };
+}
+#endif // REVERBERATION_SYSTEM_HPP