diff --git a/src/engine/platform/sound/ga20/iremga20.cpp b/src/engine/platform/sound/ga20/iremga20.cpp
index 182d21e11..097de21d5 100644
--- a/src/engine/platform/sound/ga20/iremga20.cpp
+++ b/src/engine/platform/sound/ga20/iremga20.cpp
@@ -95,8 +95,6 @@ void iremga20_device::sound_stream_update(short** outputs, int len)
 	{
 		for (int j = 0; j < 4; j++)
 		{
-			s32 sampleout = 0;
-
 			channel_def &ch = m_channel[j];
 			if (ch.play)
 			{
@@ -104,17 +102,21 @@ void iremga20_device::sound_stream_update(short** outputs, int len)
 					ch.play = false;
 				else
 				{
-					sampleout = ch.mute ? 0 : (ch.sample - 0x80) * (s32)ch.volume;
+          if (ch.hot) {
+            ch.hot=false;
+					  ch.output = ch.mute ? 0 : (ch.sample - 0x80) * (s32)ch.volume;
+          }
 					ch.counter--;
 					if (ch.counter <= ch.rate)
 					{
 						ch.pos++;
 						ch.counter = 0x100;
 				                ch.sample = m_intf.read_byte(ch.pos);
+                        ch.hot=true;
 					}
 				}
 			}
-			outputs[j][i] = sampleout;
+			outputs[j][i] = ch.output;
 		}
 	}
 }
@@ -141,6 +143,7 @@ void iremga20_device::write(u32 offset, u8 data)
 
 		case 5:
 			m_channel[ch].volume = (data * 256) / (data + 10);
+      m_channel[ch].hot=true;
 			break;
 
 		case 6:
@@ -152,6 +155,7 @@ void iremga20_device::write(u32 offset, u8 data)
 				m_channel[ch].end = (m_regs[ch << 3 | 2] | m_regs[ch << 3 | 3] << 8) << 4;
 				m_channel[ch].counter = 0x100;
 				                                           m_channel[ch].sample = m_intf.read_byte(m_channel[ch].pos);
+                                                   m_channel[ch].hot=true;
 			}
 			else
 				m_channel[ch].play = false;
diff --git a/src/engine/platform/sound/ga20/iremga20.h b/src/engine/platform/sound/ga20/iremga20.h
index cfe181397..ccc6e3b61 100644
--- a/src/engine/platform/sound/ga20/iremga20.h
+++ b/src/engine/platform/sound/ga20/iremga20.h
@@ -38,7 +38,7 @@ public:
 	void write(u32 offset, u8 data);
 	u8 read(u32 offset);
 
-	inline void set_mute(const int ch, const bool mute) { m_channel[ch & 3].mute = mute; }
+	inline void set_mute(const int ch, const bool mute) { m_channel[ch & 3].mute = mute; m_channel[ch & 3].hot = true; }
   inline unsigned int get_position(const int ch) {
     return m_channel[ch&3].pos;
   }
@@ -63,8 +63,10 @@ private:
 			counter(0),
 			end(0),
 			volume(0),
+      output(0),
 			play(0),
-			mute(false)
+			mute(false),
+      hot(false)
 		{
 		}
 
@@ -74,8 +76,10 @@ private:
 		u32 counter;
 		u32 end;
 		u32 volume;
+    int output;
 		bool play;
 		bool mute;
+    bool hot;
 	};
 
 	u8 m_regs[0x20];