diff --git a/src/engine/platform/ay.cpp b/src/engine/platform/ay.cpp
index d31f0683..c32a4ee2 100644
--- a/src/engine/platform/ay.cpp
+++ b/src/engine/platform/ay.cpp
@@ -187,9 +187,9 @@ void DivPlatformAY8910::acquire(short** buf, size_t len) {
       buf[0][i]=ayBuf[0][0];
       buf[1][i]=buf[0][i];
 
-      oscBuf[0]->data[oscBuf[0]->needle++]=sunsoftVolTable[31-(ay->lastIndx&31)]<<2;
-      oscBuf[1]->data[oscBuf[1]->needle++]=sunsoftVolTable[31-((ay->lastIndx>>5)&31)]<<2;
-      oscBuf[2]->data[oscBuf[2]->needle++]=sunsoftVolTable[31-((ay->lastIndx>>10)&31)]<<2;
+      oscBuf[0]->data[oscBuf[0]->needle++]=CLAMP(sunsoftVolTable[31-(ay->lastIndx&31)]<<3,-32768,32767);
+      oscBuf[1]->data[oscBuf[1]->needle++]=CLAMP(sunsoftVolTable[31-((ay->lastIndx>>5)&31)]<<3,-32768,32767);
+      oscBuf[2]->data[oscBuf[2]->needle++]=CLAMP(sunsoftVolTable[31-((ay->lastIndx>>10)&31)]<<3,-32768,32767);
     }
   } else {
     for (size_t i=0; i<len; i++) {
@@ -205,9 +205,9 @@ void DivPlatformAY8910::acquire(short** buf, size_t len) {
         buf[1][i]=buf[0][i];
       }
 
-      oscBuf[0]->data[oscBuf[0]->needle++]=ayBuf[0][0]<<1;
-      oscBuf[1]->data[oscBuf[1]->needle++]=ayBuf[1][0]<<1;
-      oscBuf[2]->data[oscBuf[2]->needle++]=ayBuf[2][0]<<1;
+      oscBuf[0]->data[oscBuf[0]->needle++]=ayBuf[0][0]<<2;
+      oscBuf[1]->data[oscBuf[1]->needle++]=ayBuf[1][0]<<2;
+      oscBuf[2]->data[oscBuf[2]->needle++]=ayBuf[2][0]<<2;
     }
   }
 }
diff --git a/src/engine/platform/ay8930.cpp b/src/engine/platform/ay8930.cpp
index 51560975..8561548d 100644
--- a/src/engine/platform/ay8930.cpp
+++ b/src/engine/platform/ay8930.cpp
@@ -186,9 +186,9 @@ void DivPlatformAY8930::acquire(short** buf, size_t len) {
       buf[1][i]=buf[0][i];
     }
 
-    oscBuf[0]->data[oscBuf[0]->needle++]=ayBuf[0][0]<<1;
-    oscBuf[1]->data[oscBuf[1]->needle++]=ayBuf[1][0]<<1;
-    oscBuf[2]->data[oscBuf[2]->needle++]=ayBuf[2][0]<<1;
+    oscBuf[0]->data[oscBuf[0]->needle++]=ayBuf[0][0]<<2;
+    oscBuf[1]->data[oscBuf[1]->needle++]=ayBuf[1][0]<<2;
+    oscBuf[2]->data[oscBuf[2]->needle++]=ayBuf[2][0]<<2;
   }
 }
 
diff --git a/src/engine/platform/bubsyswsg.cpp b/src/engine/platform/bubsyswsg.cpp
index bfb1e365..94202de1 100644
--- a/src/engine/platform/bubsyswsg.cpp
+++ b/src/engine/platform/bubsyswsg.cpp
@@ -55,7 +55,7 @@ void DivPlatformBubSysWSG::acquire(short** buf, size_t len) {
         chanOut=chan[i].waveROM[k005289.addr(i)]*(regPool[2+i]&0xf);
         out+=chanOut;
         if (writeOscBuf==0) {
-          oscBuf[i]->data[oscBuf[i]->needle++]=chanOut<<6;
+          oscBuf[i]->data[oscBuf[i]->needle++]=chanOut<<7;
         }
       }
     }
diff --git a/src/engine/platform/c64.cpp b/src/engine/platform/c64.cpp
index 43cfbdf0..977e3951 100644
--- a/src/engine/platform/c64.cpp
+++ b/src/engine/platform/c64.cpp
@@ -80,18 +80,18 @@ void DivPlatformC64::acquire(short** buf, size_t len) {
       sid_fp.clock(4,&buf[0][i]);
       if (++writeOscBuf>=4) {
         writeOscBuf=0;
-        oscBuf[0]->data[oscBuf[0]->needle++]=(sid_fp.lastChanOut[0]-dcOff)>>6;
-        oscBuf[1]->data[oscBuf[1]->needle++]=(sid_fp.lastChanOut[1]-dcOff)>>6;
-        oscBuf[2]->data[oscBuf[2]->needle++]=(sid_fp.lastChanOut[2]-dcOff)>>6;
+        oscBuf[0]->data[oscBuf[0]->needle++]=(sid_fp.lastChanOut[0]-dcOff)>>5;
+        oscBuf[1]->data[oscBuf[1]->needle++]=(sid_fp.lastChanOut[1]-dcOff)>>5;
+        oscBuf[2]->data[oscBuf[2]->needle++]=(sid_fp.lastChanOut[2]-dcOff)>>5;
       }
     } else {
       sid.clock();
       buf[0][i]=sid.output();
       if (++writeOscBuf>=16) {
         writeOscBuf=0;
-        oscBuf[0]->data[oscBuf[0]->needle++]=(sid.last_chan_out[0]-dcOff)>>6;
-        oscBuf[1]->data[oscBuf[1]->needle++]=(sid.last_chan_out[1]-dcOff)>>6;
-        oscBuf[2]->data[oscBuf[2]->needle++]=(sid.last_chan_out[2]-dcOff)>>6;
+        oscBuf[0]->data[oscBuf[0]->needle++]=(sid.last_chan_out[0]-dcOff)>>5;
+        oscBuf[1]->data[oscBuf[1]->needle++]=(sid.last_chan_out[1]-dcOff)>>5;
+        oscBuf[2]->data[oscBuf[2]->needle++]=(sid.last_chan_out[2]-dcOff)>>5;
       }
     }
   }
diff --git a/src/engine/platform/dummy.cpp b/src/engine/platform/dummy.cpp
index 04763898..18fa5ca9 100644
--- a/src/engine/platform/dummy.cpp
+++ b/src/engine/platform/dummy.cpp
@@ -32,7 +32,7 @@ void DivPlatformDummy::acquire(short** buf, size_t len) {
       if (chan[j].active) {
         if (!isMuted[j]) {
           chanOut=(((signed short)chan[j].pos)*chan[j].amp*chan[j].vol)>>12;
-          oscBuf[j]->data[oscBuf[j]->needle++]=chanOut>>1;
+          oscBuf[j]->data[oscBuf[j]->needle++]=chanOut<<1;
           out+=chanOut;
         } else {
           oscBuf[j]->data[oscBuf[j]->needle++]=0;
diff --git a/src/engine/platform/fds.cpp b/src/engine/platform/fds.cpp
index 2674e954..ea903ced 100644
--- a/src/engine/platform/fds.cpp
+++ b/src/engine/platform/fds.cpp
@@ -64,7 +64,7 @@ void DivPlatformFDS::acquire_puNES(short* buf, size_t len) {
     buf[i]=sample;
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
-      oscBuf->data[oscBuf->needle++]=sample;
+      oscBuf->data[oscBuf->needle++]=sample*3;
     }
   }
 }
@@ -80,7 +80,7 @@ void DivPlatformFDS::acquire_NSFPlay(short* buf, size_t len) {
     buf[i]=sample;
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
-      oscBuf->data[oscBuf->needle++]=sample;
+      oscBuf->data[oscBuf->needle++]=sample*3;
     }
   }
 }
diff --git a/src/engine/platform/ga20.cpp b/src/engine/platform/ga20.cpp
index 60764585..7794d61a 100644
--- a/src/engine/platform/ga20.cpp
+++ b/src/engine/platform/ga20.cpp
@@ -71,8 +71,13 @@ void DivPlatformGA20::acquire(short** buf, size_t len) {
         delay=w.delay;
       }
     }
-    short *buffer[4] = {&ga20Buf[0][h],&ga20Buf[1][h],&ga20Buf[2][h],&ga20Buf[3][h]};
-    ga20.sound_stream_update(buffer, 1);
+    short *buffer[4]={
+      &ga20Buf[0][h],
+      &ga20Buf[1][h],
+      &ga20Buf[2][h],
+      &ga20Buf[3][h]
+    };
+    ga20.sound_stream_update(buffer,1);
     buf[0][h]=(signed int)(ga20Buf[0][h]+ga20Buf[1][h]+ga20Buf[2][h]+ga20Buf[3][h])>>2;
     for (int i=0; i<4; i++) {
       oscBuf[i]->data[oscBuf[i]->needle++]=ga20Buf[i][h]>>1;
diff --git a/src/engine/platform/mmc5.cpp b/src/engine/platform/mmc5.cpp
index 0edc83b2..e9ac6be9 100644
--- a/src/engine/platform/mmc5.cpp
+++ b/src/engine/platform/mmc5.cpp
@@ -85,9 +85,9 @@ void DivPlatformMMC5::acquire(short** buf, size_t len) {
 
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
-      oscBuf[0]->data[oscBuf[0]->needle++]=isMuted[0]?0:((mmc5->S3.output*10)<<6);
-      oscBuf[1]->data[oscBuf[1]->needle++]=isMuted[1]?0:((mmc5->S4.output*10)<<6);
-      oscBuf[2]->data[oscBuf[2]->needle++]=isMuted[2]?0:((mmc5->pcm.output*2)<<5);
+      oscBuf[0]->data[oscBuf[0]->needle++]=isMuted[0]?0:((mmc5->S3.output)<<11);
+      oscBuf[1]->data[oscBuf[1]->needle++]=isMuted[1]?0:((mmc5->S4.output)<<11);
+      oscBuf[2]->data[oscBuf[2]->needle++]=isMuted[2]?0:((mmc5->pcm.output)<<7);
     }
   }
 }
diff --git a/src/engine/platform/n163.cpp b/src/engine/platform/n163.cpp
index eee73b99..ead44cc1 100644
--- a/src/engine/platform/n163.cpp
+++ b/src/engine/platform/n163.cpp
@@ -118,7 +118,7 @@ void DivPlatformN163::acquire(short** buf, size_t len) {
     buf[0][i]=out;
 
     if (n163.voice_cycle()==0x78) for (int i=0; i<8; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=n163.voice_out(i)<<6;
+      oscBuf[i]->data[oscBuf[i]->needle++]=n163.voice_out(i)<<7;
     }
 
     // command queue
diff --git a/src/engine/platform/nes.cpp b/src/engine/platform/nes.cpp
index 07f9c5ae..99131ac3 100644
--- a/src/engine/platform/nes.cpp
+++ b/src/engine/platform/nes.cpp
@@ -115,11 +115,11 @@ void DivPlatformNES::acquire_puNES(short** buf, size_t len) {
     buf[0][i]=sample;
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
-      oscBuf[0]->data[oscBuf[0]->needle++]=isMuted[0]?0:(nes->S1.output<<10);
-      oscBuf[1]->data[oscBuf[1]->needle++]=isMuted[1]?0:(nes->S2.output<<10);
-      oscBuf[2]->data[oscBuf[2]->needle++]=isMuted[2]?0:(nes->TR.output<<10);
-      oscBuf[3]->data[oscBuf[3]->needle++]=isMuted[3]?0:(nes->NS.output<<10);
-      oscBuf[4]->data[oscBuf[4]->needle++]=isMuted[4]?0:(nes->DMC.output<<7);
+      oscBuf[0]->data[oscBuf[0]->needle++]=isMuted[0]?0:(nes->S1.output<<11);
+      oscBuf[1]->data[oscBuf[1]->needle++]=isMuted[1]?0:(nes->S2.output<<11);
+      oscBuf[2]->data[oscBuf[2]->needle++]=isMuted[2]?0:(nes->TR.output<<11);
+      oscBuf[3]->data[oscBuf[3]->needle++]=isMuted[3]?0:(nes->NS.output<<11);
+      oscBuf[4]->data[oscBuf[4]->needle++]=isMuted[4]?0:(nes->DMC.output<<8);
     }
   }
 }
@@ -142,11 +142,11 @@ void DivPlatformNES::acquire_NSFPlay(short** buf, size_t len) {
     buf[0][i]=sample;
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
-      oscBuf[0]->data[oscBuf[0]->needle++]=nes1_NP->out[0]<<10;
-      oscBuf[1]->data[oscBuf[1]->needle++]=nes1_NP->out[1]<<10;
-      oscBuf[2]->data[oscBuf[2]->needle++]=nes2_NP->out[0]<<10;
-      oscBuf[3]->data[oscBuf[3]->needle++]=nes2_NP->out[1]<<10;
-      oscBuf[4]->data[oscBuf[4]->needle++]=nes2_NP->out[2]<<7;
+      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]<<12;
+      oscBuf[4]->data[oscBuf[4]->needle++]=nes2_NP->out[2]<<8;
     }
   }
 }
diff --git a/src/engine/platform/opl.cpp b/src/engine/platform/opl.cpp
index b39fb8f6..d340aa31 100644
--- a/src/engine/platform/opl.cpp
+++ b/src/engine/platform/opl.cpp
@@ -220,45 +220,45 @@ void DivPlatformOPL::acquire_nuked(short** buf, size_t len) {
     if (fm.rhy&0x20) {
       for (int i=0; i<melodicChans+1; i++) {
         unsigned char ch=outChanMap[i];
+        int chOut=0;
         if (ch==255) continue;
-        oscBuf[i]->data[oscBuf[i]->needle]=0;
         if (fm.channel[i].out[0]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[0];
+          chOut+=*fm.channel[ch].out[0];
         }
         if (fm.channel[i].out[1]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[1];
+          chOut+=*fm.channel[ch].out[1];
         }
         if (fm.channel[i].out[2]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[2];
+          chOut+=*fm.channel[ch].out[2];
         }
         if (fm.channel[i].out[3]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[3];
+          chOut+=*fm.channel[ch].out[3];
         }
-        oscBuf[i]->needle++;
+        oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(chOut<<(i==melodicChans?1:2),-32768,32767);
       }
       // special
-      oscBuf[melodicChans+1]->data[oscBuf[melodicChans+1]->needle++]=fm.slot[16].out*3;
-      oscBuf[melodicChans+2]->data[oscBuf[melodicChans+2]->needle++]=fm.slot[14].out*3;
-      oscBuf[melodicChans+3]->data[oscBuf[melodicChans+3]->needle++]=fm.slot[17].out*3;
-      oscBuf[melodicChans+4]->data[oscBuf[melodicChans+4]->needle++]=fm.slot[13].out*3;
+      oscBuf[melodicChans+1]->data[oscBuf[melodicChans+1]->needle++]=fm.slot[16].out*4;
+      oscBuf[melodicChans+2]->data[oscBuf[melodicChans+2]->needle++]=fm.slot[14].out*4;
+      oscBuf[melodicChans+3]->data[oscBuf[melodicChans+3]->needle++]=fm.slot[17].out*4;
+      oscBuf[melodicChans+4]->data[oscBuf[melodicChans+4]->needle++]=fm.slot[13].out*4;
     } else {
       for (int i=0; i<chans; i++) {
         unsigned char ch=outChanMap[i];
+        int chOut=0;
         if (ch==255) continue;
-        oscBuf[i]->data[oscBuf[i]->needle]=0;
         if (fm.channel[i].out[0]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[0];
+          chOut+=*fm.channel[ch].out[0];
         }
         if (fm.channel[i].out[1]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[1];
+          chOut+=*fm.channel[ch].out[1];
         }
         if (fm.channel[i].out[2]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[2];
+          chOut+=*fm.channel[ch].out[2];
         }
         if (fm.channel[i].out[3]!=NULL) {
-          oscBuf[i]->data[oscBuf[i]->needle]+=*fm.channel[ch].out[3];
+          chOut+=*fm.channel[ch].out[3];
         }
-        oscBuf[i]->needle++;
+        oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(chOut<<2,-32768,32767);
       }
     }
     
diff --git a/src/engine/platform/opll.cpp b/src/engine/platform/opll.cpp
index 596735a4..38b892e8 100644
--- a/src/engine/platform/opll.cpp
+++ b/src/engine/platform/opll.cpp
@@ -68,7 +68,7 @@ void DivPlatformOPLL::acquire_nuked(short** buf, size_t len) {
       unsigned char nextOut=cycleMapOPLL[fm.cycles];
       if ((nextOut>=6 && properDrums) || !isMuted[nextOut]) {
         os+=(o[0]+o[1]);
-        if (vrc7 || (fm.rm_enable&0x20)) oscBuf[nextOut]->data[oscBuf[nextOut]->needle++]=(o[0]+o[1])<<5;
+        if (vrc7 || (fm.rm_enable&0x20)) oscBuf[nextOut]->data[oscBuf[nextOut]->needle++]=(o[0]+o[1])<<6;
       } else {
         if (vrc7 || (fm.rm_enable&0x20)) oscBuf[nextOut]->data[oscBuf[nextOut]->needle++]=0;
       }
@@ -76,7 +76,7 @@ void DivPlatformOPLL::acquire_nuked(short** buf, size_t len) {
     if (!(vrc7 || (fm.rm_enable&0x20))) for (int i=0; i<9; i++) {
       unsigned char ch=visMapOPLL[i];
       if ((i>=6 && properDrums) || !isMuted[ch]) {
-        oscBuf[ch]->data[oscBuf[ch]->needle++]=(fm.output_ch[i])<<5;
+        oscBuf[ch]->data[oscBuf[ch]->needle++]=(fm.output_ch[i])<<6;
       } else {
         oscBuf[ch]->data[oscBuf[ch]->needle++]=0;
       }
diff --git a/src/engine/platform/pv1000.cpp b/src/engine/platform/pv1000.cpp
index 4d32fc5a..bf03df40 100644
--- a/src/engine/platform/pv1000.cpp
+++ b/src/engine/platform/pv1000.cpp
@@ -42,7 +42,7 @@ void DivPlatformPV1000::acquire(short** buf, size_t len) {
     short samp=d65010g031_sound_tick(&d65010g031,1);
     buf[0][h]=samp;
     for (int i=0; i<3; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=(d65010g031.out[i]);
+      oscBuf[i]->data[oscBuf[i]->needle++]=d65010g031.out[i]<<1;
     }
   }
 }
diff --git a/src/engine/platform/scc.cpp b/src/engine/platform/scc.cpp
index e7ad162f..cd97ff30 100644
--- a/src/engine/platform/scc.cpp
+++ b/src/engine/platform/scc.cpp
@@ -87,7 +87,7 @@ void DivPlatformSCC::acquire(short** buf, size_t len) {
     buf[0][h]=out;
 
     for (int i=0; i<5; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=scc->voice_out(i)<<6;
+      oscBuf[i]->data[oscBuf[i]->needle++]=scc->voice_out(i)<<7;
     }
   }
 }
diff --git a/src/engine/platform/sound/lynx/Mikey.cpp b/src/engine/platform/sound/lynx/Mikey.cpp
index baf376f5..791336c1 100644
--- a/src/engine/platform/sound/lynx/Mikey.cpp
+++ b/src/engine/platform/sound/lynx/Mikey.cpp
@@ -509,7 +509,7 @@ public:
       }
 
       if (oscb!=NULL) {
-        oscb[i]->data[oscb[i]->needle++]=oscbWrite>>1;
+        oscb[i]->data[oscb[i]->needle++]=oscbWrite;
       }
     }
 
diff --git a/src/engine/platform/sound/pokey/AltASAP.cpp b/src/engine/platform/sound/pokey/AltASAP.cpp
index 9ed2f207..e6675027 100644
--- a/src/engine/platform/sound/pokey/AltASAP.cpp
+++ b/src/engine/platform/sound/pokey/AltASAP.cpp
@@ -39,7 +39,7 @@ static constexpr int MuteInit = 2;
 static constexpr int MuteSerialInput = 8;
 //just some magick value to match the audio level of mzpokeysnd
 static constexpr int16_t MAGICK_VOLUME_BOOSTER = 160;
-static constexpr int16_t MAGICK_OSC_VOLUME_BOOSTER = 2;
+static constexpr int16_t MAGICK_OSC_VOLUME_BOOSTER = 6;
 
 struct PokeyBase
 {
diff --git a/src/engine/platform/swan.cpp b/src/engine/platform/swan.cpp
index 46edfd7f..209e2fc2 100644
--- a/src/engine/platform/swan.cpp
+++ b/src/engine/platform/swan.cpp
@@ -87,7 +87,7 @@ void DivPlatformSwan::acquire(short** buf, size_t len) {
     buf[0][h]=samp[0];
     buf[1][h]=samp[1];
     for (int i=0; i<4; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=(ws->sample_cache[i][0]+ws->sample_cache[i][1])<<5;
+      oscBuf[i]->data[oscBuf[i]->needle++]=(ws->sample_cache[i][0]+ws->sample_cache[i][1])<<6;
     }
   }
 }
diff --git a/src/engine/platform/t6w28.cpp b/src/engine/platform/t6w28.cpp
index 0d7b9223..5d21e1ad 100644
--- a/src/engine/platform/t6w28.cpp
+++ b/src/engine/platform/t6w28.cpp
@@ -54,7 +54,7 @@ void DivPlatformT6W28::acquire(short** buf, size_t len) {
     tempL=0;
     tempR=0;
     for (int i=0; i<4; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=(out[i][1].curValue+out[i][2].curValue)<<6;
+      oscBuf[i]->data[oscBuf[i]->needle++]=(out[i][1].curValue+out[i][2].curValue)<<7;
       tempL+=out[i][1].curValue<<7;
       tempR+=out[i][2].curValue<<7;
     }
diff --git a/src/engine/platform/tia.cpp b/src/engine/platform/tia.cpp
index cdd11621..1836bee1 100644
--- a/src/engine/platform/tia.cpp
+++ b/src/engine/platform/tia.cpp
@@ -51,8 +51,8 @@ void DivPlatformTIA::acquire(short** buf, size_t len) {
     }
     if (++chanOscCounter>=114) {
       chanOscCounter=0;
-      oscBuf[0]->data[oscBuf[0]->needle++]=tia.myChannelOut[0]>>1;
-      oscBuf[1]->data[oscBuf[1]->needle++]=tia.myChannelOut[1]>>1;
+      oscBuf[0]->data[oscBuf[0]->needle++]=tia.myChannelOut[0];
+      oscBuf[1]->data[oscBuf[1]->needle++]=tia.myChannelOut[1];
     }
   }
 }
diff --git a/src/engine/platform/tx81z.cpp b/src/engine/platform/tx81z.cpp
index c4d921fd..86128340 100644
--- a/src/engine/platform/tx81z.cpp
+++ b/src/engine/platform/tx81z.cpp
@@ -78,7 +78,7 @@ void DivPlatformTX81Z::acquire(short** buf, size_t len) {
     fm_ymfm->generate(&out_ymfm);
 
     for (int i=0; i<8; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1))>>1;
+      oscBuf[i]->data[oscBuf[i]->needle++]=CLAMP(fme->debug_channel(i)->debug_output(0)+fme->debug_channel(i)->debug_output(1),-32768,32767);
     }
 
     os[0]=out_ymfm.data[0];
diff --git a/src/engine/platform/vb.cpp b/src/engine/platform/vb.cpp
index 6732bded..3701b5aa 100644
--- a/src/engine/platform/vb.cpp
+++ b/src/engine/platform/vb.cpp
@@ -107,7 +107,7 @@ void DivPlatformVB::acquire(short** buf, size_t len) {
     tempL=0;
     tempR=0;
     for (int i=0; i<6; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=(vb->last_output[i][0]+vb->last_output[i][1])*4;
+      oscBuf[i]->data[oscBuf[i]->needle++]=(vb->last_output[i][0]+vb->last_output[i][1])*8;
       tempL+=vb->last_output[i][0];
       tempR+=vb->last_output[i][1];
     }
diff --git a/src/engine/platform/vic20.cpp b/src/engine/platform/vic20.cpp
index cb78e9b4..bd25b528 100644
--- a/src/engine/platform/vic20.cpp
+++ b/src/engine/platform/vic20.cpp
@@ -69,7 +69,7 @@ void DivPlatformVIC20::acquire(short** buf, size_t len) {
     vic_sound_machine_calculate_samples(vic,&samp,1,1,0,SAMP_DIVIDER);
     buf[0][h]=samp;
     for (int i=0; i<4; i++) {
-      oscBuf[i]->data[oscBuf[i]->needle++]=vic->ch[i].out?(vic->volume<<10):0;
+      oscBuf[i]->data[oscBuf[i]->needle++]=vic->ch[i].out?(vic->volume<<11):0;
     }
   }
 }
diff --git a/src/engine/platform/vrc6.cpp b/src/engine/platform/vrc6.cpp
index 7834ecbe..b52bc106 100644
--- a/src/engine/platform/vrc6.cpp
+++ b/src/engine/platform/vrc6.cpp
@@ -87,9 +87,9 @@ void DivPlatformVRC6::acquire(short** buf, size_t len) {
     if (++writeOscBuf>=32) {
       writeOscBuf=0;
       for (int i=0; i<2; i++) {
-        oscBuf[i]->data[oscBuf[i]->needle++]=vrc6.pulse_out(i)<<9;
+        oscBuf[i]->data[oscBuf[i]->needle++]=vrc6.pulse_out(i)<<11;
       }
-      oscBuf[2]->data[oscBuf[2]->needle++]=vrc6.sawtooth_out()<<9;
+      oscBuf[2]->data[oscBuf[2]->needle++]=vrc6.sawtooth_out()<<10;
     }
 
     // Command part