seiichi horie / Mbed 2 deprecated synthesizer_f746

Synthesizer based on the Unzen / Nucleo F746ZG

Dependencies:   amakusa mbed-dsp mbed shimabara ukifune unzen_nucleo_f746

Fork of skeleton_unzen_nucleo_f746 by seiichi horie

雲仙フレームワークのテストとして作っているプロジェクトです。中身はどんどん変っていきます。 説明はDSP空挺団の「シンセサイザー」カテゴリーを参照してください。初回は「ドッグフードを食べる」です。

Diff: monophonic.cpp

Revision:
29:8ee84bda128c
Parent:
28:547f19ed6f67
diff -r 547f19ed6f67 -r 8ee84bda128c monophonic.cpp
--- a/monophonic.cpp	Sat Feb 11 07:44:56 2017 +0000
+++ b/monophonic.cpp	Sat Feb 18 04:37:19 2017 +0000
@@ -11,6 +11,7 @@
     this->dc_blocker = new DCBlocker( this->block_size );
     this->sv_filter = new SVFilter( this->block_size );
     this->eg = new EG( this->block_size );
+    this->limitter = new amakusa::LimitterLinAtan( this->block_size );
     
     work_buf_a = new float32_t[block_size];
     work_buf_b = new float32_t[block_size];
@@ -24,6 +25,7 @@
     delete this->dc_blocker;
     delete this->sv_filter;
     delete this->eg;
+    delete this->limitter;
     
     delete[] work_buf_a;
     delete[] work_buf_b;
@@ -43,14 +45,17 @@
     this->dc_blocker->run( work_buf_a, work_buf_b );
 
         // applying filter.
-    this->sv_filter->run( work_buf_b, out_buffer );
+    this->sv_filter->run( work_buf_b, work_buf_a );
     
         // generate envelope
-    this->eg->run( work_buf_a );
+    this->eg->run( work_buf_b );
     
         // apply envelope
     for ( int i= 0; i< this->block_size; i++ )
-        out_buffer[ i ] *= work_buf_a[ i ];
+        work_buf_b[ i ] *= work_buf_a[ i ];
+        
+        // apply amplitude limitter
+    this->limitter->run( work_buf_b, out_buffer );
         
 }   // End of run()