diff --git a/Machines/Electron/Electron.cpp b/Machines/Electron/Electron.cpp
index cd48d9f57..ee5d4bf44 100644
--- a/Machines/Electron/Electron.cpp
+++ b/Machines/Electron/Electron.cpp
@@ -248,6 +248,7 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
 	switch(_frameCycles)
 	{
 		case 64*128:
+		case 196*128:
 			update_audio();
 		break;
 
@@ -256,10 +257,6 @@ unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uin
 			signal_interrupt(InterruptRealTimeClock);
 		break;
 
-		case 196*128:
-			update_audio();
-		break;
-
 		case 284*128:
 			update_audio();
 			signal_interrupt(InterruptDisplayEnd);
diff --git a/OSBindings/Mac/Clock Signal/Views/CSCathodeRayView.m b/OSBindings/Mac/Clock Signal/Views/CSCathodeRayView.m
index 3fea768ab..f8ef0992c 100644
--- a/OSBindings/Mac/Clock Signal/Views/CSCathodeRayView.m	
+++ b/OSBindings/Mac/Clock Signal/Views/CSCathodeRayView.m	
@@ -37,6 +37,8 @@
 	CSCathodeRayViewSignalType _signalType;
 	int32_t _signalDecoderGeneration;
 	int32_t _compiledSignalDecoderGeneration;
+
+	CGRect _aspectRatioCorrectedBounds;
 }
 
 - (GLuint)textureForImageNamed:(NSString *)name
@@ -155,14 +157,23 @@ static CVReturn DisplayLinkCallback(CVDisplayLinkRef displayLink, const CVTimeSt
 {
 	if(_shaderProgram)
 	{
+		NSPoint viewSize = [self backingViewSize];
 		if(_windowSizeUniform >= 0)
 		{
-			NSPoint viewSize = [self backingViewSize];
 			glUniform2f(_windowSizeUniform, (GLfloat)viewSize.x, (GLfloat)viewSize.y);
 		}
 
-		if(_boundsOriginUniform >= 0) glUniform2f(_boundsOriginUniform, (GLfloat)_frameBounds.origin.x, (GLfloat)_frameBounds.origin.y);
-		if(_boundsSizeUniform >= 0) glUniform2f(_boundsSizeUniform, (GLfloat)_frameBounds.size.width, (GLfloat)_frameBounds.size.height);
+		CGFloat outputAspectRatioMultiplier = (viewSize.x / viewSize.y) / (4.0 / 3.0);
+
+//		NSLog(@"%0.2f v %0.2f", outputAspectRatio, desiredOutputAspectRatio);
+		_aspectRatioCorrectedBounds = _frameBounds;
+
+		CGFloat bonusWidth = (outputAspectRatioMultiplier - 1.0f) * _frameBounds.size.width;
+		_aspectRatioCorrectedBounds.origin.x -= bonusWidth * 0.5f * _aspectRatioCorrectedBounds.size.width;
+		_aspectRatioCorrectedBounds.size.width *= outputAspectRatioMultiplier;
+
+		if(_boundsOriginUniform >= 0) glUniform2f(_boundsOriginUniform, (GLfloat)_aspectRatioCorrectedBounds.origin.x, (GLfloat)_aspectRatioCorrectedBounds.origin.y);
+		if(_boundsSizeUniform >= 0) glUniform2f(_boundsSizeUniform, (GLfloat)_aspectRatioCorrectedBounds.size.width, (GLfloat)_aspectRatioCorrectedBounds.size.height);
 	}
 }
 
diff --git a/OSBindings/Mac/Clock Signal/Wrappers/CSElectron.mm b/OSBindings/Mac/Clock Signal/Wrappers/CSElectron.mm
index a7b47dbb0..eaf1c4cac 100644
--- a/OSBindings/Mac/Clock Signal/Wrappers/CSElectron.mm	
+++ b/OSBindings/Mac/Clock Signal/Wrappers/CSElectron.mm	
@@ -54,7 +54,7 @@
 }
 
 - (BOOL)setSpeakerDelegate:(Outputs::Speaker::Delegate *)delegate sampleRate:(int)sampleRate {
-	_electron.get_speaker()->set_output_rate(sampleRate, 512);
+	_electron.get_speaker()->set_output_rate(sampleRate, 256);
 	_electron.get_speaker()->set_output_quality(15);
 	_electron.get_speaker()->set_delegate(delegate);
 	return YES;