diff --git a/A320-main.xml b/A320-main.xml
index 86115f41..b75ecad5 100644
--- a/A320-main.xml
+++ b/A320-main.xml
@@ -163,6 +163,12 @@
 			<wingview-fwd type="bool">0</wingview-fwd>
 			<internal-custom type="bool">0</internal-custom>
 			<suppress-warning type="bool">1</suppress-warning>
+			<exterior-volume type="double">1.0</exterior-volume>
+			<interior-volume type="double">1.0</interior-volume>
+			<wing-volume type="double">1.0</wing-volume>
+			<avionics-volume type="double">1.0</avionics-volume>
+			<effects-volume type="double">1.0</effects-volume>
+			<mechanical-volume type="double">1.0</mechanical-volume>
 		</sound>
 		
 		<sounde>
@@ -359,6 +365,13 @@
 							</script>
 						</binding>
 					</item>
+					<item>
+						<label>Adjust Sound Volumes</label>
+						<binding>
+							<command>dialog-show</command>
+							<dialog-name>sound-config</dialog-name>
+						</binding>
+					</item>
 					<item>
 						<label>Skip ADIRS</label>
 						<binding>
diff --git a/AircraftConfig/acconfig.nas b/AircraftConfig/acconfig.nas
index 6665fea6..a7cfc47e 100644
--- a/AircraftConfig/acconfig.nas
+++ b/AircraftConfig/acconfig.nas
@@ -110,6 +110,7 @@ var error_mismatch = gui.Dialog.new("sim/gui/dialogs/acconfig/error/mismatch/dia
 var groundservices_dlg = gui.Dialog.new("sim/gui/dialogs/acconfig/groundsrvc/dialog", "Aircraft/IDG-A32X/AircraftConfig/groundservices.xml");
 var du_quality = gui.Dialog.new("sim/gui/dialogs/acconfig/du-quality/dialog", "Aircraft/IDG-A32X/AircraftConfig/du-quality.xml");
 var rendering_dlg = gui.Dialog.new("sim/gui/dialogs/rendering/dialog", "Aircraft/IDG-A32X/AircraftConfig/rendering.xml");
+
 spinning.start();
 init_dlg.open();
 
diff --git a/Sounds/A320-common-sound.xml b/Sounds/A320-common-sound.xml
index aa5000e5..708402e3 100644
--- a/Sounds/A320-common-sound.xml
+++ b/Sounds/A320-common-sound.xml
@@ -10,7 +10,7 @@
 				<property>sim/current-view/internal</property>
 			</condition>
 			<volume>
-				<property>/systems/apu/rpm</property>
+				<property>sim/sound/other/apu</property>
 				<factor>0.005</factor>
 				<max>0.25</max>
 			</volume>
@@ -29,7 +29,7 @@
 				<not><property>sim/current-view/internal</property></not>
 			</condition>
 			<volume>
-				<property>/systems/apu/rpm</property>
+				<property>sim/sound/other/apu</property>
 				<factor>0.005</factor>
 			</volume>
 			<pitch>
@@ -56,6 +56,9 @@
 					</equals>
 				</and>
 			</condition>
+			<volume>
+				<property>/sim/sound/mechanical-volume</property>
+			</volume>
 		</hyd-yellow>
 		
 		<!-- Disabled until proper PTU system implemented, to not annoy people -->
@@ -67,6 +70,7 @@
 				<property>/systems/hydraulic/ptu-active</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/mechanical-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -153,6 +157,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -189,6 +194,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -223,6 +229,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -257,6 +264,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -291,6 +299,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -325,6 +334,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -359,6 +369,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -393,6 +404,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -427,6 +439,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -461,6 +474,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -495,6 +509,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -529,6 +544,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -563,6 +579,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -611,6 +628,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -657,6 +675,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -692,6 +711,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -726,6 +746,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -806,6 +827,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>8</factor>
 			</volume>
 			<reference-dist>20.0</reference-dist>
@@ -837,6 +859,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -866,6 +889,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -883,6 +907,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>40.0</factor>
 			</volume>
 		</apoff>
@@ -960,7 +985,6 @@
 			</condition>
 			<volume>
 				<property>sim/sound/other/air-con</property>
-				<offset>0.2</offset>
 			</volume>
 		</ac>
 		
@@ -971,6 +995,9 @@
 			<condition>
 				<property>gear/gear[0]/wow</property>
 			</condition>
+			<volume>
+				<property>/sim/sound/effects-volume</property>
+			</volume>
 		</wow>
 		
 		<wow>
@@ -980,6 +1007,9 @@
 			<condition>
 				<property>gear/gear[1]/wow</property>
 			</condition>
+			<volume>
+				<property>/sim/sound/effects-volume</property>
+			</volume>
 		</wow>
 		
 		<wow>
@@ -989,6 +1019,9 @@
 			<condition>
 				<property>gear/gear[2]/wow</property>
 			</condition>
+			<volume>
+				<property>/sim/sound/effects-volume</property>
+			</volume>
 		</wow>
 		
 		<roll>
@@ -1083,7 +1116,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1098,7 +1131,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1113,7 +1146,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1128,7 +1161,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1143,7 +1176,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1158,7 +1191,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1173,7 +1206,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1188,7 +1221,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1203,7 +1236,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1218,7 +1251,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1233,7 +1266,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1248,7 +1281,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1263,7 +1296,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1278,7 +1311,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1293,7 +1326,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detenta>
 		
@@ -1308,7 +1341,7 @@
 				</equals>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</detentb>
 		
@@ -1326,7 +1359,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</sb>
 		<ns>
@@ -1343,7 +1376,7 @@
 				</and>
 			</condition>
 			<volume>
-				<property>/sim/sound/effects/volume</property>
+				<property>/sim/sound/effects-volume</property>
 			</volume>
 		</ns>
 		
@@ -1355,6 +1388,7 @@
 				<property>/sim/sounde/btn1</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1367,6 +1401,7 @@
 				<property>/sim/sounde/oh-btn</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1379,6 +1414,7 @@
 				<property>/sim/sounde/btn3</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1391,6 +1427,7 @@
 				<property>/sim/sounde/knb1</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</switch>
@@ -1403,6 +1440,7 @@
 				<property>/sim/sounde/switch1</property>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1418,6 +1456,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.75</factor>
 			</volume>
 		</switch>
@@ -1447,6 +1486,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</cvrtone>
@@ -1462,6 +1502,7 @@
 				</greater-than>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.80</factor>
 			</volume>
 		</relay>
@@ -1477,6 +1518,7 @@
 				</greater-than>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.80</factor>
 			</volume>
 		</relay>
@@ -1498,6 +1540,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
@@ -1513,6 +1556,7 @@
 				</equals>
 			</condition>
 			<volume>
+				<property>/sim/sound/effects-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
@@ -1537,6 +1581,7 @@
 				</and>
 			</condition>
 			<volume>
+				<property>/sim/sound/avionics-volume</property>
 				<factor>0.60</factor>
 			</volume>
 		</relay>
@@ -1640,7 +1685,7 @@
 				<property>/sim/sound/warnings/chime</property>
 			</condition>
 			<volume>
-				<property>sim/sound/effects/volume</property>
+				<property>sim/sound/avionics-volume</property>
 			</volume>
 			<reference-dist>10</reference-dist>
 			<max-dist>100</max-dist>
@@ -1656,7 +1701,7 @@
 				<property>/sim/sound/warnings/crc</property>
 			</condition>
 			<volume>
-				<property>sim/sound/effects/volume</property>
+				<property>sim/sound/avionics-volume</property>
 			</volume>
 			<reference-dist>10</reference-dist>
 			<max-dist>100</max-dist>
@@ -1671,7 +1716,7 @@
 				<property>warnings/stall/active</property>
 			</condition>
 			<volume>
-				<property>sim/sound/effects/volume</property>
+				<property>sim/sound/avionics-volume</property>
 				<factor>3</factor>
 				<!--offset>1</offset-->
 				<min>1</min>
diff --git a/Systems/cfm56-sound.xml b/Systems/cfm56-sound.xml
index 55363e36..50d516dc 100644
--- a/Systems/cfm56-sound.xml
+++ b/Systems/cfm56-sound.xml
@@ -15,6 +15,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -47,6 +48,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -136,6 +138,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -168,6 +171,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -257,6 +261,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -289,6 +294,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -378,6 +384,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -411,6 +418,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -501,6 +509,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -533,6 +542,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -622,6 +632,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -656,6 +667,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -747,6 +759,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -781,6 +794,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -872,6 +886,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -904,6 +919,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -993,6 +1009,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -1023,6 +1040,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -1113,6 +1131,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1145,6 +1164,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1234,6 +1254,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1268,6 +1289,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1359,6 +1381,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1391,6 +1414,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -1480,6 +1504,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -1512,6 +1537,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -1601,6 +1627,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -1632,6 +1659,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -1720,6 +1748,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1749,6 +1778,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1835,6 +1865,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.62</ind> <dep>0.000</dep></entry>
@@ -1867,6 +1898,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.62</ind> <dep>0.000</dep></entry>
@@ -1956,6 +1988,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -1986,6 +2019,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -2093,6 +2127,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -2125,6 +2160,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -2214,6 +2250,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2246,6 +2283,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2335,6 +2373,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2367,6 +2406,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2456,6 +2496,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2489,6 +2530,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -2579,6 +2621,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2611,6 +2654,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2700,6 +2744,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2732,6 +2777,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -2821,6 +2867,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2855,6 +2902,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2946,6 +2994,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2980,6 +3029,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -3071,6 +3121,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -3102,6 +3153,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -3190,6 +3242,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -3220,6 +3273,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -3318,6 +3372,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -3350,6 +3405,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.000</dep></entry>
@@ -3439,6 +3495,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -3471,6 +3528,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -3560,6 +3618,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3592,6 +3651,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3681,6 +3741,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3714,6 +3775,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.00</dep></entry>
@@ -3804,6 +3866,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -3836,6 +3899,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.20</ind> <dep>0.000</dep></entry>
@@ -3925,6 +3989,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -3959,6 +4024,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4050,6 +4116,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4084,6 +4151,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -4175,6 +4243,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -4207,6 +4276,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.75</ind> <dep>0.000</dep></entry>
@@ -4296,6 +4366,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -4326,6 +4397,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -4428,6 +4500,7 @@
                     <entry><ind>22.0</ind> <dep>0.10</dep></entry>
                 </table>
             <property>sim/sound/internal-custom</property>
+			<property>/sim/sound/mechanical-volume</property>
             </product>
         </expression> 
     </input>
@@ -4448,6 +4521,7 @@
                     <entry><ind>301</ind>  <dep>0.00</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
+				<property>/sim/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -4467,7 +4541,8 @@
                     <entry><ind>-11</ind>  <dep>0.00</dep></entry>
                     <entry><ind>-12</ind>  <dep>1.00</dep></entry>
                 </table>
-            <property>sim/current-view/internal</property>
+				<property>sim/current-view/internal</property>
+				<property>/sim/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -4491,6 +4566,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
+				<property>/sim/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -4519,6 +4595,7 @@
                     <entry><ind>250</ind>  <dep>0.10</dep></entry>
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
+				<property>/sim/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -4568,15 +4645,18 @@
 			<property>sim/current-view/internal</property>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -4601,15 +4681,18 @@
 			</or>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -4640,7 +4723,12 @@
 				<property>sim/sound/wingview-fwd</property>
 			</or>
 		</condition>
-		<value>1</value>
+		<expression>
+			<product>
+				<value>1</value>
+				<property>/sim/sound/mechanical-volume</property>
+			</product>
+		</expression>
     </input>
 	<input>
 		<condition>
@@ -4699,6 +4787,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
+				<property>/sim/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
@@ -4714,6 +4803,22 @@
     </output>
 </filter>
 
+<filter>
+    <type>gain</type>
+    <gain>1</gain>
+    <input>
+		<expression>
+			<product>
+				<property>/systems/apu/rpm</property>
+				<property>/sim/sound/effects-volume</property>
+			</product>
+		</expression> 
+    </input>
+    <output>
+		<prop>sim/sound/other/apu</prop>
+    </output>
+</filter>
+
 <!-- wing view properties -->
 
 <filter>
diff --git a/Systems/leapx-sound.xml b/Systems/leapx-sound.xml
index bd497afd..7b39c8a1 100644
--- a/Systems/leapx-sound.xml
+++ b/Systems/leapx-sound.xml
@@ -10,6 +10,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.00</ind> <dep>0.00</dep></entry>
@@ -32,6 +33,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.00</ind> <dep>0.50</dep></entry>
@@ -120,6 +122,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.06</ind> <dep>0.00</dep></entry>
@@ -141,6 +144,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.06</ind> <dep>0.00</dep></entry>
@@ -162,6 +166,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.32</ind> <dep>0.00</dep></entry>
@@ -183,6 +188,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.32</ind> <dep>0.00</dep></entry>
@@ -204,6 +210,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.65</ind> <dep>0.00</dep></entry>
@@ -224,6 +231,7 @@
   <input>
     <expression>
       <product>
+		<property>/sim/sound/interior-volume</property>
         <table>
           <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value>  </product>
 			<entry><ind>0.65</ind> <dep>0.00</dep></entry>
@@ -434,28 +442,6 @@
 
 
 
-
-
-<filter>
-  <type>gain</type>
-  <gain>1</gain>
-  <input>
-    <expression>
-      <product>
-        <table>
-          <product><property>/sim/current-view/z-offset-m</property><value>1</value>  </product>
-            <entry><ind>-5.0</ind> <dep>0.11</dep></entry>
-			<entry><ind>0.00</ind> <dep>1.00</dep></entry>
-			<entry><ind>15.0</ind> <dep>0.11</dep></entry>
-        </table>
-		<property>sim/current-view/internal</property>
-      </product>
-    </expression> 
-  </input>
-  <output>
-    <prop>sim/sound/other/flaps</prop>
-  </output>
-</filter>
 
 <filter>
   <type>gain</type>
@@ -470,6 +456,7 @@
 			<entry><ind>22.0</ind> <dep>0.10</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
+		<property>/sim/sound/mechanical-volume</property>
       </product>
     </expression> 
   </input>
@@ -490,6 +477,7 @@
 			<entry><ind>301</ind>  <dep>0.00</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
+		<property>/sim/sound/avionics-volume</property>
       </product>
     </expression> 
   </input>
@@ -510,6 +498,7 @@
 			<entry><ind>-12</ind>  <dep>1.00</dep></entry>
         </table>
 		<property>sim/current-view/internal</property>
+		<property>/sim/sound/avionics-volume</property>
       </product>
     </expression> 
   </input>
@@ -533,6 +522,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
+				<property>/sim/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -553,6 +543,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/effects-volume</property>
                 <table>
                     <product><property>/velocities/groundspeed-kt</property><value>1</value>  </product>
                     <entry><ind>0.00</ind> <dep>0.0001</dep></entry>
@@ -610,15 +601,18 @@
 			<property>sim/current-view/internal</property>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -643,15 +637,18 @@
 			</or>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -682,7 +679,12 @@
 				<property>sim/sound/wingview-fwd</property>
 			</or>
 		</condition>
-		<value>1</value>
+		<expression>
+			<product>
+				<value>1</value>
+				<property>/sim/sound/mechanical-volume</property>
+			</product>
+		</expression>
     </input>
 	<input>
 		<condition>
@@ -741,6 +743,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
+				<property>/sim/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
diff --git a/Systems/v2500-sound.xml b/Systems/v2500-sound.xml
index 4a55dbff..49cc6626 100644
--- a/Systems/v2500-sound.xml
+++ b/Systems/v2500-sound.xml
@@ -15,6 +15,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -48,6 +49,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -138,6 +140,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -172,6 +175,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -263,6 +267,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -297,6 +302,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -388,6 +394,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -420,6 +427,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -509,6 +517,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -539,6 +548,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/interior-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -629,6 +639,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -663,6 +674,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -697,6 +709,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
 					<entry><ind>0.58</ind>    <dep>1.00</dep></entry>
@@ -754,6 +767,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -788,6 +802,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.14</ind> <dep>0.000</dep></entry>
@@ -879,6 +894,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.12</ind> <dep>0.000</dep></entry>
@@ -911,6 +927,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.12</ind> <dep>0.000</dep></entry>
@@ -1000,6 +1017,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1029,6 +1047,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.60</ind> <dep>0.000</dep></entry>
@@ -1171,6 +1190,8 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
+				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -1199,6 +1220,8 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
+				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -1284,6 +1307,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.128</ind> <dep>0.000</dep></entry>
@@ -1318,6 +1342,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.128</ind> <dep>0.000</dep></entry>
@@ -1409,6 +1434,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1443,6 +1469,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1478,6 +1505,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.702</ind> <dep>0.000</dep></entry>
@@ -1508,6 +1536,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/exterior-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.702</ind> <dep>0.000</dep></entry>
@@ -1609,6 +1638,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -1642,6 +1672,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -1732,6 +1763,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1766,6 +1798,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -1857,6 +1890,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -1891,6 +1925,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -1982,6 +2017,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2014,6 +2050,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2103,6 +2140,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2136,6 +2174,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.15</ind> <dep>0.00</dep></entry>
@@ -2226,6 +2265,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -2256,6 +2296,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -2354,6 +2395,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -2387,6 +2429,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.19</ind>     <dep>0.000</dep></entry>
@@ -2477,6 +2520,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -2511,6 +2555,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.101</ind> <dep>0.000</dep></entry>
@@ -2602,6 +2647,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2636,6 +2682,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.59</ind> <dep>0.00</dep></entry>
@@ -2727,6 +2774,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2759,6 +2807,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.31</ind> <dep>0.00</dep></entry>
@@ -2848,6 +2897,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -2880,6 +2930,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
                     <entry><ind>0.70</ind> <dep>0.000</dep></entry>
@@ -2969,6 +3020,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[0]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[0]/n1-actual</property><value>0.01</value></product>
@@ -2999,6 +3051,7 @@
 		</condition>
         <expression>
             <product>
+				<property>/sim/sound/wing-volume</property>
 				<property>/engines/engine[1]/reverser-pos-norm</property>
                 <table>
                     <product><property>/engines/engine[1]/n1-actual</property><value>0.01</value></product>
@@ -3095,6 +3148,7 @@
                     <entry><ind>22.0</ind> <dep>0.10</dep></entry>
                 </table>
             <property>sim/sound/internal-custom</property>
+			<property>/sim/sound/mechanical-volume</property>
             </product>
         </expression> 
     </input>
@@ -3115,6 +3169,7 @@
                     <entry><ind>301</ind>  <dep>0.00</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
+			<property>/sim/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -3135,6 +3190,7 @@
                     <entry><ind>-12</ind>  <dep>1.00</dep></entry>
                 </table>
             <property>sim/current-view/internal</property>
+			<property>/sim/sound/avionics-volume</property>
             </product>
         </expression> 
     </input>
@@ -3158,6 +3214,7 @@
                     <entry><ind>550</ind>  <dep>0.30</dep></entry>
                 </table>
                 <property>sim/current-view/internal</property>
+			    <property>/sim/sound/effects-volume</property>
             </product>
         </expression> 
     </input>
@@ -3178,6 +3235,7 @@
 		</condition>
         <expression>
             <product>
+			    <property>/sim/sound/effects-volume</property>
                 <table>
                     <product><property>/velocities/groundspeed-kt</property><value>1</value>  </product>
                     <entry><ind>0.00</ind> <dep>0.0001</dep></entry>
@@ -3235,15 +3293,18 @@
 			<property>sim/current-view/internal</property>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -3268,15 +3329,18 @@
 			</or>
 		</condition>
 		<expression>
-			<table>
-				<product>
-					<property>/velocities/groundspeed-kt</property>
-					<value>1</value>  
-				</product>
-				<entry><ind>010</ind>  <dep>0.00</dep></entry>
-				<entry><ind>110</ind>  <dep>0.50</dep></entry>
-				<entry><ind>140</ind>  <dep>1.00</dep></entry>
-			</table>
+			<product>
+				<table>
+					<product>
+						<property>/velocities/groundspeed-kt</property>
+						<value>1</value>  
+					</product>
+					<entry><ind>010</ind>  <dep>0.00</dep></entry>
+					<entry><ind>110</ind>  <dep>0.50</dep></entry>
+					<entry><ind>140</ind>  <dep>1.00</dep></entry>
+				</table>
+				<property>/sim/sound/effects-volume</property>
+			</product>
 		</expression> 
     </input>
 	<input>
@@ -3307,7 +3371,12 @@
 				<property>sim/sound/wingview-fwd</property>
 			</or>
 		</condition>
-		<value>1</value>
+		<expression>
+			<product>
+				<value>1</value>
+				<property>/sim/sound/mechanical-volume</property>
+			</product>
+		</expression>
     </input>
 	<input>
 		<condition>
@@ -3366,6 +3435,7 @@
 		<expression>
 			<product>
 				<property>/systems/pneumatic/pack-psi</property>
+				<property>/sim/sound/effects-volume</property>
 				<value>0.025</value>
 			</product>
 		</expression> 
@@ -3381,6 +3451,23 @@
     </output>
 </filter>
 
+<filter>
+    <type>gain</type>
+    <gain>1</gain>
+    <input>
+		<expression>
+			<product>
+				<property>/systems/apu/rpm</property>
+				<property>/sim/sound/effects-volume</property>
+			</product>
+		</expression> 
+    </input>
+    <output>
+		<prop>sim/sound/other/apu</prop>
+    </output>
+</filter>
+
+
 <!-- wing view properties -->
 
 <filter>
diff --git a/gui/dialogs/sound-config.xml b/gui/dialogs/sound-config.xml
new file mode 100644
index 00000000..2ddd1b4a
--- /dev/null
+++ b/gui/dialogs/sound-config.xml
@@ -0,0 +1,163 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+
+<!-- Copyright (c) 2019 Jonathan Redpath (legoboyvdlp) -->
+
+<!-- A32X Sound Dialog -->
+
+<PropertyList>
+
+	<name>sound-config</name>
+	<layout>vbox</layout>
+	
+	<group>
+		<layout>hbox</layout>
+		<text>
+			<halign>left</halign>
+			<label>Sound Configuration</label>
+		</text>
+		<button>
+			<halign>right</halign>
+			<pref-width>20</pref-width>
+			<pref-height>20</pref-height>
+			<legend>X</legend>
+			<key>Esc</key>
+			<binding>
+				<command>dialog-close</command>
+			</binding>
+		</button>
+	</group>
+	
+	<hrule/>
+	
+	<group>
+		<layout>vbox</layout>
+		<text>
+			<halign>left</halign>
+			<label>Engine Sounds</label>
+		</text>
+	</group>
+	
+	<hrule/>
+		
+	<group>
+		<layout>vbox</layout>
+	
+		<slider>
+			<halign>left</halign>
+			<label>Cockpit Volume</label>
+			<property>/sim/sound/interior-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+		
+		<slider>
+			<halign>left</halign>
+			<label>Exterior Volume</label>
+			<property>/sim/sound/exterior-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+		
+		
+		<slider>
+			<halign>left</halign>
+			<label>Wing Volume</label>
+			<property>/sim/sound/wing-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+	</group>
+	
+	<hrule/>
+	
+	<group>
+		<layout>vbox</layout>
+		<text>
+			<halign>left</halign>
+			<label>Engine Sounds</label>
+		</text>
+	</group>
+	
+	<hrule/>
+		
+	<group>
+		<layout>vbox</layout>
+	
+		<slider>
+			<halign>left</halign>
+			<label>Avionics Volume</label>
+			<property>/sim/sound/avionics-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+		
+		<slider>
+			<halign>left</halign>
+			<label>Effects Volume</label>
+			<property>/sim/sound/effects-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+		
+		
+		<slider>
+			<halign>left</halign>
+			<label>Mechanical Volume</label>
+			<property>/sim/sound/mechanical-volume</property>
+			<min>0.0</min>
+			<max>1.5</max>
+			<x>10</x>
+			<y>50</y>
+			<width>200</width>
+			<binding>
+				<command>dialog-apply</command>
+			</binding>
+		</slider>
+	</group>
+	
+	<hrule/>
+	
+	<group>
+		<layout>hbox</layout>
+		
+		<button>
+			<halign>left</halign>
+			<legend>Close</legend>
+			<pref-width>210</pref-width>
+			<binding>
+				<command>dialog-close</command>
+			</binding>
+		</button>
+	</group>
+	
+</PropertyList>
diff --git a/qq b/qq
new file mode 100644
index 00000000..9bd70d1c
--- /dev/null
+++ b/qq
@@ -0,0 +1,414 @@
+commit e49660a10f9b35a221fcb5e5ceddec6a300087c3 (HEAD -> master, origin/master, origin/HEAD)
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Mon Jun 24 14:44:48 2019 -0400
+
+    Sim: Add Shift-Click functionality to FCP, remove unused laptop mode
+
+commit 0caba603539c02a15ce7b0a07f4bf53f92f60e87
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Jun 13 18:55:23 2019 -0400
+
+    Sim: revision
+
+commit b1ae50e4b5b93c3c45317955adfaca6586a4ef4b
+Author: TH-555 <herrmann_t@t-online.de>
+Date:   Fri Jun 14 00:04:28 2019 +0200
+
+    VC: Some positions fixed to reduce ZFighting
+
+commit a4dcaa20b4b3d1745d7c012acae631a7e6bc4bc1
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Mon Jun 10 22:58:07 2019 -0400
+
+    Sim: Notice
+
+commit 54e4aeb087c945193b1ef8cce52f117799ff2b9f
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Jun 8 20:21:44 2019 -0400
+
+    VC: Fix accidently reversed push and pull for ALT knob
+
+commit 469380047c0a2132dcd62a9e9e995026d1ec7362
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Sat Jun 1 16:17:38 2019 +0100
+
+    Move transponder code up a little more
+
+commit 225bd09d96b972a8a9e0cb9a1774dcab10f3e7d7
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Thu May 30 10:58:55 2019 +0100
+
+    Fix
+
+commit 62f7a108bdb33dd381a434f8fd55afb8dabea2e3
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Thu May 30 10:56:22 2019 +0100
+
+    ATC: fix issues
+
+commit 04f9b63354e1418d61c66e7b5528ff04eea70ed7
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Wed May 29 17:33:42 2019 +0100
+
+    TCAS: fix property names, revision
+
+commit 1db48daccbf46ddd542a3f43933705122488a915
+Author: Jonathan Redpath <legoboyvdlp@gmail.com>
+Date:   Wed May 29 17:31:25 2019 +0100
+
+    ATC: add transponder system (#93)
+    
+    * ATC: add transponder system
+    
+    * I know you want to be but you are not a RMP, ATC
+    
+    * Update atc.nas
+    
+    * Update A320-main.xml
+    
+    * fix
+    
+    * Disable radios in menubar, change TCAS mode according to transponder switch
+    
+    * Add new TCAS flags, will be uncommented in 2019.3
+    
+    * Fix
+    
+    * Fix
+    
+    * Hook TCAS to electrical system
+    
+    * Fix
+    
+    * Resetting after failure
+    
+    * Fix
+    
+    * electrical output now controlled by transponder itself
+    
+    * Fix
+    
+    * fix
+    
+    * fix
+    
+    * Fix
+    
+    * Fix
+    
+    * Bugfixes, add to acconfig
+    
+    * Re-add radio dialog
+    
+    * Prevent radio dialog from modifying mode
+    
+    * Fix clear display
+    
+    * Remove conflict between dialog and setting the code on the panel
+    
+    * VC: Cleanup transponder bindings
+    
+    * Fixes
+    
+    * Fix
+    
+    * Fix finally
+    
+    * Transponder: realign
+
+commit 846005a217e5a82e468eed85b552cd1bd314a818
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu May 16 16:16:03 2019 -0400
+
+    Sim: Formatting
+
+commit 19af3617e3461baad4470841b51db80ca809c4f7
+Author: TH-555 <herrmann_t@t-online.de>
+Date:   Thu May 16 21:06:39 2019 +0200
+
+    VC: Normal face orientation fixed
+
+commit 23717ec9b3b3e511a5ad7b89b2013cc7ccfe39db
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Wed May 15 17:25:13 2019 +0100
+
+    RMP: getBoolValue() doesn't need to have == 1 or != 1
+
+commit 453fa34d6eebadfadd78f5360da7250832076db9
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Wed May 15 17:21:44 2019 +0100
+
+    Bugfix: radio xfer should not be repeatable
+
+commit 07216d3e4474947213a4568e570fc06ee670744a
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Tue May 14 12:33:51 2019 +0100
+
+    SD ELEC: bugfix
+
+commit d30cb90a602d8162488be58a63bf3edccfbf1844
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Wed May 8 19:27:26 2019 -0400
+
+    Sim: Name
+
+commit c2550fdbebd285e9b6d74c4be23e20dc90ec6a41
+Author: TH-555 <herrmann_t@t-online.de>
+Date:   Wed May 1 22:45:51 2019 +0200
+
+    VC: Engine fire indicators repaird
+
+commit 269260ef93be49388c1f5d43f7490cc72c38e38f
+Author: TH-555 <herrmann_t@t-online.de>
+Date:   Sat Apr 27 18:27:23 2019 +0200
+
+    VC: Rear breakers texture added, some lightning fixed
+
+commit 5af70969bd9d05c8d24a0534ae84f28ddbc62d4d
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sun Apr 21 00:11:55 2019 -0400
+
+    Sim: README revised
+
+commit 11c48d8bac2302cbca0463d89b2e38874a43b6e2
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sun Apr 21 00:10:31 2019 -0400
+
+    Sim: README revised
+
+commit 0163488357c86ef7f12d1ff2c3d357940a343d0a
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sun Apr 21 00:09:38 2019 -0400
+
+    Sim: FAQ revised
+
+commit 157ecaceafa5ec8355020b28ea4e179bbb816d5c
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Wed Apr 17 11:33:22 2019 -0400
+
+    GIT: FAQ revised
+
+commit b80f7272d431264867e7bcd2991bc8103788862f
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Wed Apr 17 11:28:50 2019 -0400
+
+    GIT: FAQ revised
+
+commit 423544881faee0f3990223fdc766b48f5cc3c8a3
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Wed Apr 17 11:00:59 2019 -0400
+
+    GIT: Issue template
+
+commit 381e02ed533aba670db42da2e3cb3894d07da570
+Merge: 0c5be650 bbf03d86
+Author: Jonathan Redpath <legoboyvdlp@gmail.com>
+Date:   Tue Apr 9 10:22:58 2019 +0100
+
+    Merge pull request #87 from eaglerainbow/faq
+    
+    First Initial Version of an FAQ
+
+commit bbf03d8630d2a645b7f7dfd40ae40f55d6914194
+Author: Nico Schmoigl <nico@cts-schmoigl.de>
+Date:   Sun Mar 31 20:47:31 2019 +0200
+
+    FAQ: Correcting menu option for frame rate
+
+commit 9f6f084733ae6b9f8b5a3435e418a6277d7be389
+Author: Nico Schmoigl <nico@cts-schmoigl.de>
+Date:   Sun Mar 31 20:38:32 2019 +0200
+
+    Hints on simulation speed
+
+commit bc6f7ed258f482df53024d08233556fe511b7c6d
+Author: Nico Schmoigl <nico@cts-schmoigl.de>
+Date:   Sun Mar 31 12:45:26 2019 +0200
+
+    FAQ: additional comments on downgrading
+
+commit 10aed85bd814a40ad4a742dc590f2a63374d08b4
+Author: Nico Schmoigl <nico@cts-schmoigl.de>
+Date:   Sun Mar 31 12:42:46 2019 +0200
+
+    FAQ: fix typos
+
+commit 063de2c215f9fbc82b53ea4dffc22c3272e89de4
+Author: Nico Schmoigl <nico@cts-schmoigl.de>
+Date:   Sun Mar 31 12:39:27 2019 +0200
+
+    Initial version of an FAQ page
+
+commit 0c5be65001111d149f313607e8fc20d551bd7f3b
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sun Mar 24 00:02:51 2019 -0400
+
+    Sim: Now ACCONFIG saves autopush prefs
+
+commit 157fcc1823044369d14205360010e1320b849e04
+Merge: 82c75539 a3fa4f4b
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 23 23:41:54 2019 -0400
+
+    Sim: Fix mistakes in 23d3576 and 1666e5c
+
+commit a3fa4f4b39626143ef5c6ed54d3486a8999b59ce
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 23 23:26:13 2019 -0400
+
+    Sim: Minor fix
+
+commit 9e485381d99521062250558cadc467ab89863b88
+Merge: 550a03a6 2c2f1025
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 23 23:03:04 2019 -0400
+
+    Merge branch 'master' into acp
+
+commit 550a03a67006525b897ed34d8b6feafbfb6e11c0
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 23 09:55:12 2019 -0400
+
+    GIT: Formatting
+
+commit 23d3576bf5b88c72bc66f496434bec5ab9b94fa7
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Sat Mar 23 13:36:04 2019 +0000
+
+    Add NWS switch
+
+commit 08e4deb14b4f953d887a38c1e8d8c3b0a2cd290f
+Author: Josh Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 21 16:09:18 2019 -0400
+
+    Engine: Fix FF and EPR
+
+commit 2c2f102584a47e1d3fdf7fa76964c9284193537d
+Author: merspieler <merspieler@airmail.cc>
+Date:   Sun Mar 17 21:05:46 2019 +0000
+
+    Fix ACP call not deselectable
+    
+    Signed-off-by: merspieler <merspieler@airmail.cc>
+
+commit 76c937d1818bf6793ef433b9fdcd702d71689b47
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 22:44:34 2019 -0400
+
+    System: Fix severe mistake in FMGC -- thanks PavlinS + 0762
+
+commit 891b7229666d3138166cabcc667ac88de8812f8f
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 20:09:10 2019 -0400
+
+    Sim: remove the sim
+
+commit c8e28172599410e2a0c2105ed105530b9159286e
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 19:59:51 2019 -0400
+
+    Sim: Remove the space
+
+commit d51c657337eb342cf2d2ad5b903fa6f79e8c3133
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 19:59:06 2019 -0400
+
+    Sim: Remove the 0
+
+commit d104a888e66f1300092273abaa905066747f1ae0
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 19:51:49 2019 -0400
+
+    Sim: Always begin of sentance, the capital must exits. Or i will be unhappy :)
+
+commit a244eedc5e6d790e4073c0464b97104175afd18e
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 19:49:16 2019 -0400
+
+    Sim: Revision
+
+commit 72069d5a2ab1a5284d3064a09903ee22c957be35
+Merge: ef52e6a2 5d4d1186
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Sat Mar 16 19:42:46 2019 -0400
+
+    Merge branch 'nws-force'
+
+commit ef52e6a2423ab49301ccaa1533a0dd7ac8bd089a
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Fri Mar 15 23:23:30 2019 -0400
+
+    System: Fix severe FADEC limit bug
+
+commit 69374a53b37264459b5ec59ae0e0fe7cb77da73c
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:32:15 2019 -0400
+
+    System: Fix something else
+
+commit 4239da97550450144e607165dd6473e907c1a99f
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:30:37 2019 -0400
+
+    System: Fix something
+
+commit 8d2e4b97fe076d65ca62864fec9995ce8c20efc2
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:11:08 2019 -0400
+
+    Revert "Fix engine state property"
+    
+    This reverts commit 919b697e25b83fd2d22f58438cb0a8d4384ff678.
+
+commit 4c1a1128c81d2255425e5889e7271c857f48c521
+Merge: 9578f7d5 919b697e
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:08:20 2019 -0400
+
+    Merge branch 'master' of github.com:it0uchpods/IDG-A32X
+
+commit 9578f7d5c162c03a50b92c37aa48b89089aadf69
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:08:04 2019 -0400
+
+    Sim: Revision
+
+commit 75f14241880bd3f932e78b084f4e42c2d453c67a
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 17:07:44 2019 -0400
+
+    Control: Fix autoland THR IDLE
+
+commit 9627d9c0224c2291eabed14e095c5e614f61c405
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 13:58:02 2019 -0400
+
+    System: Fix some A/P stuff
+
+commit 18720ea36b10ee89e9c5ea37f3da02aa7a12943b (origin/APV4)
+Author: Joshua Davidson <joshuadavidson2000@gmail.com>
+Date:   Thu Mar 14 00:08:48 2019 -0400
+
+    System: New autopilot controller based on IT-AUTOFLIGHT V4 -- needs more testing and possibly fixing
+
+commit 919b697e25b83fd2d22f58438cb0a8d4384ff678
+Author: legoboyvdlp R <legoboyvdlp@gmail.com>
+Date:   Mon Mar 11 17:05:30 2019 +0000
+
+    Fix engine state property
+
+commit 82c755393c9abaf1db4460674baffe467a7fb3cd
+Author: merspieler <merspieler@airmail.cc>
+Date:   Mon Mar 11 02:14:35 2019 +0000
+
+    rev
+    
+    Signed-off-by: merspieler <merspieler@airmail.cc>
+
+commit 1666e5c0c931f3f6af9c88a2f7ae8561b6a588aa
+Author: merspieler <merspieler@airmail.cc>
+Date:   Mon Mar 11 02:13:40 2019 +0000
+
+    ar
+    
+    Signed-off-by: merspieler <merspieler@airmail.cc>