Floating Point Dither For All

3 files changed, 76 insertions, 68 deletions

diff --git a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.cpp b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.cpp
index cf29888..9c0da62 100755
--- a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.cpp
+++ b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.cpp
@@ -268,23 +268,15 @@ void		SingleEndedTriode::SingleEndedTriodeKernel::Process(	const Float32 	*inSou
 			inputSample = (drySample * dry)+(inputSample*wet);
 		}
 		
-		//noise shaping to 32-bit floating point
-		float fpTemp = inputSample;
-		fpNShape += (inputSample-fpTemp);
-		inputSample += fpNShape;
-		//for deeper space and warmth, we try a non-oscillating noise shaping
-		//that is kind of ruthless: it will forever retain the rounding errors
-		//except we'll dial it back a hair at the end of every buffer processed
-		//end noise shaping on 32 bit output
+		//32 bit dither, made small and tidy.
+		int expon; frexpf((Float32)inputSample, &expon);
+		long double dither = (rand()/(RAND_MAX*7.737125245533627e+25))*pow(2,expon+62);
+		inputSample += (dither-fpNShape); fpNShape = dither;
+		//end 32 bit dither
 		
 		*destP = inputSample;
 		
 		sourceP += inNumChannels; destP += inNumChannels;
 	}
-	fpNShape *= 0.999999;
-	//we will just delicately dial back the FP noise shaping, not even every sample
-	//this is a good place to put subtle 'no runaway' calculations, though bear in mind
-	//that it will be called more often when you use shorter sample buffers in the DAW.
-	//So, very low latency operation will call these calculations more often.
 }
 
diff --git a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.pbxuser b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.pbxuser
index bb8847c..aa2c283 100755
--- a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.pbxuser
+++ b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.pbxuser
@@ -10,7 +10,7 @@
 				PBXFileTableDataSourceColumnSortingKey = PBXFileDataSource_Filename_ColumnID;
 				PBXFileTableDataSourceColumnWidthsKey = (
 					20,
-					333,
+					414,
 					20,
 					48,
 					43,
@@ -49,47 +49,64 @@
 					PBXFileDataSource_Warnings_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 547786625;
-			PBXWorkspaceStateSaveDate = 547786625;
+			PBXPerProjectTemplateStateSaveDate = 569678966;
+			PBXWorkspaceStateSaveDate = 569678966;
 		};
 		perUserProjectItems = {
-			8B7E3E8820A6930E00482CB5 /* PBXTextBookmark */ = 8B7E3E8820A6930E00482CB5 /* PBXTextBookmark */;
-			8B7E3E8920A6930E00482CB5 /* PBXBookmark */ = 8B7E3E8920A6930E00482CB5 /* PBXBookmark */;
-			8B7E3E8A20A6930E00482CB5 /* PBXTextBookmark */ = 8B7E3E8A20A6930E00482CB5 /* PBXTextBookmark */;
+			8B792FE521F49D2B006E9731 /* PBXTextBookmark */ = 8B792FE521F49D2B006E9731 /* PBXTextBookmark */;
+			8B792FE621F49D2B006E9731 /* PBXTextBookmark */ = 8B792FE621F49D2B006E9731 /* PBXTextBookmark */;
+			8B792FE821F49D2B006E9731 /* PBXTextBookmark */ = 8B792FE821F49D2B006E9731 /* PBXTextBookmark */;
+			8B792FED21F49D42006E9731 /* PBXTextBookmark */ = 8B792FED21F49D42006E9731 /* PBXTextBookmark */;
 		};
 		sourceControlManager = 8BD3CCB8148830B20062E48C /* Source Control */;
 		userBuildSettings = {
 		};
 	};
-	8B7E3E8820A6930E00482CB5 /* PBXTextBookmark */ = {
+	8B792FE521F49D2B006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A690720730100365D66 /* SingleEndedTriodeVersion.h */;
+		name = "SingleEndedTriodeVersion.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 948;
+		vrLoc = 2603;
+	};
+	8B792FE621F49D2B006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 8BC6025B073B072D006C4272 /* SingleEndedTriode.h */;
 		name = "SingleEndedTriode.h: 1";
 		rLen = 0;
 		rLoc = 0;
 		rType = 0;
-		vrLen = 72;
-		vrLoc = 0;
+		vrLen = 719;
+		vrLoc = 4915;
 	};
-	8B7E3E8920A6930E00482CB5 /* PBXBookmark */ = {
-		isa = PBXBookmark;
-		fRef = 8BA05A690720730100365D66 /* SingleEndedTriodeVersion.h */;
+	8B792FE821F49D2B006E9731 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 8BA05A660720730100365D66 /* SingleEndedTriode.cpp */;
+		name = "SingleEndedTriode.cpp: 276";
+		rLen = 0;
+		rLoc = 12119;
+		rType = 0;
+		vrLen = 762;
+		vrLoc = 11445;
 	};
-	8B7E3E8A20A6930E00482CB5 /* PBXTextBookmark */ = {
+	8B792FED21F49D42006E9731 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
-		fRef = 8BA05A690720730100365D66 /* SingleEndedTriodeVersion.h */;
-		name = "SingleEndedTriodeVersion.h: 1";
+		fRef = 8BA05A660720730100365D66 /* SingleEndedTriode.cpp */;
+		name = "SingleEndedTriode.cpp: 276";
 		rLen = 0;
-		rLoc = 0;
+		rLoc = 12119;
 		rType = 0;
-		vrLen = 246;
-		vrLoc = 3244;
+		vrLen = 820;
+		vrLoc = 11387;
 	};
 	8BA05A660720730100365D66 /* SingleEndedTriode.cpp */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1098, 3783}}";
-			sepNavSelRange = "{10732, 1057}";
-			sepNavVisRange = "{10814, 1886}";
+			sepNavIntBoundsRect = "{{0, 0}, {838, 3900}}";
+			sepNavSelRange = "{12119, 0}";
+			sepNavVisRange = "{11387, 820}";
 			sepNavWindowFrame = "{{676, 66}, {1145, 812}}";
 		};
 	};
@@ -103,16 +120,16 @@
 	};
 	8BA05A690720730100365D66 /* SingleEndedTriodeVersion.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {824, 871}}";
+			sepNavIntBoundsRect = "{{0, 0}, {824, 897}}";
 			sepNavSelRange = "{0, 0}";
-			sepNavVisRange = "{3244, 246}";
+			sepNavVisRange = "{2603, 948}";
 		};
 	};
 	8BC6025B073B072D006C4272 /* SingleEndedTriode.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {960, 1885}}";
-			sepNavSelRange = "{5481, 20}";
-			sepNavVisRange = "{4010, 1624}";
+			sepNavIntBoundsRect = "{{0, 0}, {824, 1885}}";
+			sepNavSelRange = "{0, 0}";
+			sepNavVisRange = "{4915, 719}";
 			sepNavWindowFrame = "{{676, 59}, {1007, 819}}";
 		};
 	};
diff --git a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.perspectivev3 b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.perspectivev3
index e1ec1b0..a047d72 100755
--- a/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.perspectivev3
+++ b/plugins/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj/christopherjohnson.perspectivev3
@@ -225,8 +225,8 @@
 	<array/>
 	<key>PerspectiveWidths</key>
 	<array>
-		<integer>810</integer>
-		<integer>810</integer>
+		<integer>867</integer>
+		<integer>867</integer>
 	</array>
 	<key>Perspectives</key>
 	<array>
@@ -256,8 +256,6 @@
 			<key>Layout</key>
 			<array>
 				<dict>
-					<key>BecomeActive</key>
-					<true/>
 					<key>ContentConfiguration</key>
 					<dict>
 						<key>PBXBottomSmartGroupGIDs</key>
@@ -282,7 +280,7 @@
 						<dict>
 							<key>PBXSmartGroupTreeModuleColumnWidthsKey</key>
 							<array>
-								<real>216</real>
+								<real>192</real>
 							</array>
 							<key>PBXSmartGroupTreeModuleColumnsKey_v4</key>
 							<array>
@@ -307,7 +305,7 @@
 								</array>
 							</array>
 							<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
-							<string>{{0, 0}, {216, 428}}</string>
+							<string>{{0, 0}, {192, 549}}</string>
 						</dict>
 						<key>PBXTopSmartGroupGIDs</key>
 						<array/>
@@ -317,19 +315,19 @@
 					<key>GeometryConfiguration</key>
 					<dict>
 						<key>Frame</key>
-						<string>{{0, 0}, {233, 446}}</string>
+						<string>{{0, 0}, {209, 567}}</string>
 						<key>GroupTreeTableConfiguration</key>
 						<array>
 							<string>MainColumn</string>
-							<real>216</real>
+							<real>192</real>
 						</array>
 						<key>RubberWindowFrame</key>
-						<string>588 264 810 487 0 0 1440 878 </string>
+						<string>430 203 867 608 0 0 1440 878 </string>
 					</dict>
 					<key>Module</key>
 					<string>PBXSmartGroupTreeModule</string>
 					<key>Proportion</key>
-					<string>233pt</string>
+					<string>209pt</string>
 				</dict>
 				<dict>
 					<key>Dock</key>
@@ -340,7 +338,7 @@
 								<key>PBXProjectModuleGUID</key>
 								<string>8BBDB967208BF902006F0D04</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>SingleEndedTriodeVersion.h</string>
+								<string>SingleEndedTriode.cpp</string>
 								<key>PBXSplitModuleInNavigatorKey</key>
 								<dict>
 									<key>Split0</key>
@@ -348,15 +346,16 @@
 										<key>PBXProjectModuleGUID</key>
 										<string>8BBDB968208BF902006F0D04</string>
 										<key>PBXProjectModuleLabel</key>
-										<string>SingleEndedTriodeVersion.h</string>
+										<string>SingleEndedTriode.cpp</string>
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>8B7E3E8A20A6930E00482CB5</string>
+										<string>8B792FED21F49D42006E9731</string>
 										<key>history</key>
 										<array>
-											<string>8B7E3E8820A6930E00482CB5</string>
-											<string>8B7E3E8920A6930E00482CB5</string>
+											<string>8B792FE521F49D2B006E9731</string>
+											<string>8B792FE621F49D2B006E9731</string>
+											<string>8B792FE821F49D2B006E9731</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -370,18 +369,18 @@
 							<key>GeometryConfiguration</key>
 							<dict>
 								<key>Frame</key>
-								<string>{{0, 0}, {572, 102}}</string>
+								<string>{{0, 0}, {653, 410}}</string>
 								<key>RubberWindowFrame</key>
-								<string>588 264 810 487 0 0 1440 878 </string>
+								<string>430 203 867 608 0 0 1440 878 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
 							<key>Proportion</key>
-							<string>102pt</string>
+							<string>410pt</string>
 						</dict>
 						<dict>
 							<key>Proportion</key>
-							<string>339pt</string>
+							<string>152pt</string>
 							<key>Tabs</key>
 							<array>
 								<dict>
@@ -395,9 +394,7 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {572, 312}}</string>
-										<key>RubberWindowFrame</key>
-										<string>588 264 810 487 0 0 1440 878 </string>
+										<string>{{10, 27}, {653, 125}}</string>
 									</dict>
 									<key>Module</key>
 									<string>XCDetailModule</string>
@@ -451,7 +448,9 @@
 									<key>GeometryConfiguration</key>
 									<dict>
 										<key>Frame</key>
-										<string>{{10, 27}, {572, 282}}</string>
+										<string>{{10, 27}, {653, 125}}</string>
+										<key>RubberWindowFrame</key>
+										<string>430 203 867 608 0 0 1440 878 </string>
 									</dict>
 									<key>Module</key>
 									<string>PBXBuildResultsModule</string>
@@ -460,7 +459,7 @@
 						</dict>
 					</array>
 					<key>Proportion</key>
-					<string>572pt</string>
+					<string>653pt</string>
 				</dict>
 			</array>
 			<key>Name</key>
@@ -479,11 +478,11 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>8B7E3E8B20A6930E00482CB5</string>
+				<string>8B792FEE21F49D42006E9731</string>
 				<string>1CA23ED40692098700951B8B</string>
-				<string>8B7E3E8C20A6930E00482CB5</string>
+				<string>8B792FEF21F49D42006E9731</string>
 				<string>8BBDB967208BF902006F0D04</string>
-				<string>8B7E3E8D20A6930E00482CB5</string>
+				<string>8B792FF021F49D42006E9731</string>
 				<string>1CA23EDF0692099D00951B8B</string>
 				<string>1CA23EE00692099D00951B8B</string>
 				<string>1CA23EE10692099D00951B8B</string>
@@ -636,7 +635,7 @@
 	<key>StatusbarIsVisible</key>
 	<true/>
 	<key>TimeStamp</key>
-	<real>547787534.19024003</real>
+	<real>569679170.50335598</real>
 	<key>ToolbarConfigUserDefaultsMinorVersion</key>
 	<string>2</string>
 	<key>ToolbarDisplayMode</key>
@@ -656,7 +655,7 @@
 		<string>/Users/christopherjohnson/Desktop/MacAU/SingleEndedTriode/SingleEndedTriode.xcodeproj</string>
 	</array>
 	<key>WindowString</key>
-	<string>588 264 810 487 0 0 1440 878 </string>
+	<string>430 203 867 608 0 0 1440 878 </string>
 	<key>WindowToolsV3</key>
 	<array>
 		<dict>