diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f7bc3a473..6e227c95f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,11 +2,6 @@ cmake_minimum_required(VERSION 2.8)
 
 project(hifi)
 
-if(APPLE)
-  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
-  set(CMAKE_OSX_SYSROOT macosx)
-endif()
-
 add_subdirectory(space)
 add_subdirectory(domain)
 add_subdirectory(mixer)
diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index 1c2c45f0e4..d3bb79281b 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -12,8 +12,6 @@ if (APPLE)
   # link in required OS X frameworks and include the right GL headers
   set(CMAKE_EXE_LINKER_FLAGS "-framework CoreAudio -framework AudioToolbox -framework AudioUnit -framework CoreServices -framework Carbon")
   set(GL_HEADERS "#include <GLUT/glut.h>\n#include <OpenGL/glext.h>")
-  set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
-  set(CMAKE_OSX_SYSROOT macosx)
 else (APPLE)
   # include the right GL headers for UNIX
   set(GL_HEADERS "#include <GL/gl.h>\n#include <GL/glut.h>\n#include <GL/glext.h>")
@@ -23,7 +21,7 @@ endif (APPLE)
 configure_file(InterfaceConfig.h.in ${PROJECT_BINARY_DIR}/includes/InterfaceConfig.h)
 
 # grab the implementation and header files from src dir
-file(GLOB INTERFACE_SRCS src/*.cpp src/*.h)
+file(GLOB INTERFACE_SRCS src/*.mm src/*.cpp src/*.h)
 
 if (APPLE)
   # set how the icon shows up in the Info.plist file
diff --git a/interface/src/InterfaceMacOSX.h b/interface/src/InterfaceMacOSX.h
new file mode 100644
index 0000000000..2b36ff811f
--- /dev/null
+++ b/interface/src/InterfaceMacOSX.h
@@ -0,0 +1,8 @@
+#ifndef __interface__InterfaceMacOSX
+#define __interface__InterfaceMacOSX
+
+class Oscilloscope;
+
+void initMacOSXMenu(Oscilloscope *audioScope);
+
+#endif
diff --git a/interface/src/InterfaceMacOSX.mm b/interface/src/InterfaceMacOSX.mm
new file mode 100644
index 0000000000..466212207b
--- /dev/null
+++ b/interface/src/InterfaceMacOSX.mm
@@ -0,0 +1,68 @@
+#include "Oscilloscope.h"
+
+#import <Foundation/Foundation.h>
+#import <Cocoa/Cocoa.h>
+
+#import "InterfaceMacOSX.h"
+
+@class InterfaceMainMenuTarget;
+
+static InterfaceMainMenuTarget *sharedInterfaceMainMenuTarget = nil;
+static Oscilloscope *sharedAudioScope;
+
+
+@interface InterfaceMainMenuTarget : NSObject
+
+@property (strong, nonatomic) NSMenuItem *scopeAudioMenuItem;
+@property (strong, nonatomic) NSMenuItem *scopeNoneMenuItem;
+
+@end
+
+
+@implementation InterfaceMainMenuTarget
+
+- (void)scopeAudioAction {
+    sharedAudioScope->setState(true);
+    [self.scopeAudioMenuItem setState:NSOnState];
+    [self.scopeNoneMenuItem setState:NSOffState];
+}
+
+- (void)scopeNoneAction {
+    sharedAudioScope->setState(false);
+    [self.scopeAudioMenuItem setState:NSOffState];
+    [self.scopeNoneMenuItem setState:NSOnState];
+}
+
+@end
+
+
+void initMacOSXMenu(Oscilloscope *audioScope) {
+    @autoreleasepool {
+        if (NSApp) {
+            if (!sharedInterfaceMainMenuTarget) {
+                sharedInterfaceMainMenuTarget = [[InterfaceMainMenuTarget alloc] init];
+            }
+            sharedAudioScope = audioScope;
+            
+            NSMenu *mainMenu = [NSApp mainMenu];
+            
+            NSMenuItem *scopeMenuItem = [mainMenu insertItemWithTitle:@"Scope"
+                                                               action:nil
+                                                         keyEquivalent:@""
+                                                              atIndex:3];
+            
+            NSMenu *scopeMenu = [[[NSMenu alloc] init] initWithTitle:@"Scope"];
+            [scopeMenuItem setSubmenu:scopeMenu];
+            sharedInterfaceMainMenuTarget.scopeAudioMenuItem = [scopeMenu addItemWithTitle:@"Audio"
+                                                                                    action:@selector(scopeAudioAction)
+                                                                             keyEquivalent:@""];
+            [sharedInterfaceMainMenuTarget.scopeAudioMenuItem setTarget:sharedInterfaceMainMenuTarget];
+            [sharedInterfaceMainMenuTarget.scopeAudioMenuItem setState:NSOnState];
+            
+            sharedInterfaceMainMenuTarget.scopeNoneMenuItem = [scopeMenu addItemWithTitle:@"None"
+                                                                                   action:@selector(scopeNoneAction)
+                                                                            keyEquivalent:@""];
+            [sharedInterfaceMainMenuTarget.scopeNoneMenuItem setTarget:sharedInterfaceMainMenuTarget];
+        }
+    }
+}
diff --git a/interface/src/main.cpp b/interface/src/main.cpp
index 6d35793677..e189b5c715 100644
--- a/interface/src/main.cpp
+++ b/interface/src/main.cpp
@@ -44,6 +44,12 @@
 #include "Oscilloscope.h"
 #include "UDPSocket.h"
 
+#ifdef __APPLE__
+
+#include "InterfaceMacOSX.h"
+
+#endif
+
 using namespace std;
 
 int audio_on = 1;                   //  Whether to turn on the audio support
@@ -961,7 +967,11 @@ int main(int argc, char** argv)
     printf( "Init() complete.\n" );
     
     glutTimerFunc(1000, Timer, 0);
-    
+
+#ifdef __APPLE__
+    initMacOSXMenu(&audioScope);
+#endif
+
     glutMainLoop();
 
     ::terminate();
diff --git a/mixer/src/main.cpp b/mixer/src/main.cpp
index 49ddd98bd8..dd6ad8c974 100644
--- a/mixer/src/main.cpp
+++ b/mixer/src/main.cpp
@@ -96,7 +96,7 @@ void *sendBuffer(void *args)
                     int lowAgentIndex = std::min(i, j);
                     int highAgentIndex = std::max(i, j);
                     
-                    if (distanceCoeffs[lowAgentIndex][highAgentIndex] != 0) {
+                    if (distanceCoeffs[lowAgentIndex][highAgentIndex] == 0) {
                         float distanceToAgent = sqrtf(powf(agentPosition[0] - otherAgentPosition[0], 2) +
                                                       powf(agentPosition[1] - otherAgentPosition[1], 2) +
                                                       powf(agentPosition[2] - otherAgentPosition[2], 2));