diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index e353b26d..8ca8d1f1 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -154,6 +154,14 @@ void DivPlatformNES::acquire_NSFPlay(short* bufL, short* bufR, size_t start, siz
     if (sample>32767) sample=32767;
     if (sample<-32768) sample=-32768;
     bufL[i]=sample;
+    if (++writeOscBuf>=32) {
+      writeOscBuf=0;
+      oscBuf[0]->data[oscBuf[0]->needle++]=nes1_NP->out[0]<<11;
+      oscBuf[1]->data[oscBuf[1]->needle++]=nes1_NP->out[1]<<11;
+      oscBuf[2]->data[oscBuf[2]->needle++]=nes2_NP->out[0]<<11;
+      oscBuf[3]->data[oscBuf[3]->needle++]=nes2_NP->out[1]<<11;
+      oscBuf[4]->data[oscBuf[4]->needle++]=nes2_NP->out[2]<<8;
+    }
   }
 }
 
diff --git a/src/engine/platform/sound/nes_nsfplay/nes_apu.h b/src/engine/platform/sound/nes_nsfplay/nes_apu.h
index b302dd02..20c4d366 100644
--- a/src/engine/platform/sound/nes_nsfplay/nes_apu.h
+++ b/src/engine/platform/sound/nes_nsfplay/nes_apu.h
@@ -27,7 +27,6 @@ namespace xgm
 
     unsigned int gclock;
     unsigned char reg[0x20];
-    int out[2];
     double rate, clock;
 
     int square_table[32];     // nonlinear mixer
@@ -63,6 +62,7 @@ namespace xgm
     int calc_sqr (int ch, unsigned int clocks);
 
   public:
+    int out[2];
     NES_APU ();
     ~NES_APU ();
 
diff --git a/src/engine/platform/sound/nes_nsfplay/nes_dmc.h b/src/engine/platform/sound/nes_nsfplay/nes_dmc.h
index b0aa2ef9..f78dd9f4 100644
--- a/src/engine/platform/sound/nes_nsfplay/nes_dmc.h
+++ b/src/engine/platform/sound/nes_nsfplay/nes_dmc.h
@@ -36,7 +36,6 @@ namespace xgm
     unsigned int len_reg;
     unsigned int adr_reg;
     std::function<void(unsigned short, unsigned int&)> memory;
-    unsigned int out[3];
     unsigned int daddress;
     unsigned int dlength;
     unsigned int data;
@@ -91,6 +90,7 @@ namespace xgm
     inline unsigned int calc_noise (unsigned int clocks);
 
   public:
+    unsigned int out[3];
       NES_DMC ();
      ~NES_DMC ();