diff --git a/Audio/Chain/DSPRubberbandNode.h b/Audio/Chain/DSP/DSPRubberbandNode.h
similarity index 100%
rename from Audio/Chain/DSPRubberbandNode.h
rename to Audio/Chain/DSP/DSPRubberbandNode.h
diff --git a/Audio/Chain/DSPRubberbandNode.m b/Audio/Chain/DSP/DSPRubberbandNode.m
similarity index 100%
rename from Audio/Chain/DSPRubberbandNode.m
rename to Audio/Chain/DSP/DSPRubberbandNode.m
diff --git a/Audio/CogAudio.xcodeproj/project.pbxproj b/Audio/CogAudio.xcodeproj/project.pbxproj
index cd43d8665..6ae89f7d0 100644
--- a/Audio/CogAudio.xcodeproj/project.pbxproj
+++ b/Audio/CogAudio.xcodeproj/project.pbxproj
@@ -94,11 +94,11 @@
 		839E56ED2879515D00DFB5F4 /* HeadphoneFilter.h in Headers */ = {isa = PBXBuildFile; fileRef = 839E56EB2879515D00DFB5F4 /* HeadphoneFilter.h */; };
 		839E56EE2879515D00DFB5F4 /* HeadphoneFilter.mm in Sources */ = {isa = PBXBuildFile; fileRef = 839E56EC2879515D00DFB5F4 /* HeadphoneFilter.mm */; };
 		839E56F7287974A100DFB5F4 /* SandboxBroker.h in Headers */ = {isa = PBXBuildFile; fileRef = 839E56F6287974A100DFB5F4 /* SandboxBroker.h */; };
+		83A3496A2D5C3F430096D530 /* DSPRubberbandNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83A349682D5C3F430096D530 /* DSPRubberbandNode.m */; };
+		83A3496B2D5C3F430096D530 /* DSPRubberbandNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83A349672D5C3F430096D530 /* DSPRubberbandNode.h */; };
 		83B74281289E027F005AAC28 /* CogAudio-Bridging-Header.h in Headers */ = {isa = PBXBuildFile; fileRef = 83B74280289E027F005AAC28 /* CogAudio-Bridging-Header.h */; };
 		83FFED512D5B08BC0044CCAF /* DSPNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83FFED502D5B08BC0044CCAF /* DSPNode.h */; };
 		83FFED532D5B09320044CCAF /* DSPNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83FFED522D5B09320044CCAF /* DSPNode.m */; };
-		83FFED552D5B0A1C0044CCAF /* DSPRubberbandNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 83FFED542D5B0A1C0044CCAF /* DSPRubberbandNode.h */; };
-		83FFED572D5B0A6B0044CCAF /* DSPRubberbandNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 83FFED562D5B0A6B0044CCAF /* DSPRubberbandNode.m */; };
 		8DC2EF570486A6940098B216 /* Cocoa.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1058C7B1FEA5585E11CA2CBB /* Cocoa.framework */; };
 		8E8D3D2F0CBAEE6E00135C1B /* AudioContainer.h in Headers */ = {isa = PBXBuildFile; fileRef = 8E8D3D2D0CBAEE6E00135C1B /* AudioContainer.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		8E8D3D300CBAEE6E00135C1B /* AudioContainer.m in Sources */ = {isa = PBXBuildFile; fileRef = 8E8D3D2E0CBAEE6E00135C1B /* AudioContainer.m */; };
@@ -212,11 +212,11 @@
 		839E56EB2879515D00DFB5F4 /* HeadphoneFilter.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = HeadphoneFilter.h; sourceTree = "<group>"; };
 		839E56EC2879515D00DFB5F4 /* HeadphoneFilter.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = HeadphoneFilter.mm; sourceTree = "<group>"; };
 		839E56F6287974A100DFB5F4 /* SandboxBroker.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SandboxBroker.h; path = ../Utils/SandboxBroker.h; sourceTree = "<group>"; };
+		83A349672D5C3F430096D530 /* DSPRubberbandNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPRubberbandNode.h; sourceTree = "<group>"; };
+		83A349682D5C3F430096D530 /* DSPRubberbandNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPRubberbandNode.m; sourceTree = "<group>"; };
 		83B74280289E027F005AAC28 /* CogAudio-Bridging-Header.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "CogAudio-Bridging-Header.h"; sourceTree = "<group>"; };
 		83FFED502D5B08BC0044CCAF /* DSPNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPNode.h; sourceTree = "<group>"; };
 		83FFED522D5B09320044CCAF /* DSPNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPNode.m; sourceTree = "<group>"; };
-		83FFED542D5B0A1C0044CCAF /* DSPRubberbandNode.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = DSPRubberbandNode.h; sourceTree = "<group>"; };
-		83FFED562D5B0A6B0044CCAF /* DSPRubberbandNode.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = DSPRubberbandNode.m; sourceTree = "<group>"; };
 		8DC2EF5A0486A6940098B216 /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist; path = Info.plist; sourceTree = "<group>"; };
 		8DC2EF5B0486A6940098B216 /* CogAudio.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = CogAudio.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		8E8D3D2D0CBAEE6E00135C1B /* AudioContainer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AudioContainer.h; sourceTree = "<group>"; };
@@ -353,6 +353,7 @@
 		17D21C750B8BE4BA00D1EBDE /* Chain */ = {
 			isa = PBXGroup;
 			children = (
+				83A349692D5C3F430096D530 /* DSP */,
 				834FD4EA27AF8F380063BC83 /* AudioChunk.h */,
 				834FD4EC27AF91220063BC83 /* AudioChunk.m */,
 				17D21C760B8BE4BA00D1EBDE /* BufferChain.h */,
@@ -371,8 +372,6 @@
 				17D21C7F0B8BE4BA00D1EBDE /* OutputNode.m */,
 				83FFED502D5B08BC0044CCAF /* DSPNode.h */,
 				83FFED522D5B09320044CCAF /* DSPNode.m */,
-				83FFED542D5B0A1C0044CCAF /* DSPRubberbandNode.h */,
-				83FFED562D5B0A6B0044CCAF /* DSPRubberbandNode.m */,
 			);
 			path = Chain;
 			sourceTree = "<group>";
@@ -522,6 +521,15 @@
 			path = hrtf;
 			sourceTree = "<group>";
 		};
+		83A349692D5C3F430096D530 /* DSP */ = {
+			isa = PBXGroup;
+			children = (
+				83A349672D5C3F430096D530 /* DSPRubberbandNode.h */,
+				83A349682D5C3F430096D530 /* DSPRubberbandNode.m */,
+			);
+			path = DSP;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXHeadersBuildPhase section */
@@ -558,7 +566,7 @@
 				8328995727CB51B700D7F028 /* SHA256Digest.h in Headers */,
 				834FD4EB27AF8F380063BC83 /* AudioChunk.h in Headers */,
 				834A41AF287ABD6F00EB9D9B /* FSurroundFilter.h in Headers */,
-				83FFED552D5B0A1C0044CCAF /* DSPRubberbandNode.h in Headers */,
+				83A3496B2D5C3F430096D530 /* DSPRubberbandNode.h in Headers */,
 				17A2D3C50B8D1D37000778C4 /* AudioDecoder.h in Headers */,
 				8347C7412796C58800FA8A7D /* NSFileHandle+CreateFile.h in Headers */,
 				83FFED512D5B08BC0044CCAF /* DSPNode.h in Headers */,
@@ -654,7 +662,7 @@
 			files = (
 				17D21CA20B8BE4BA00D1EBDE /* BufferChain.m in Sources */,
 				17D21CA60B8BE4BA00D1EBDE /* InputNode.m in Sources */,
-				83FFED572D5B0A6B0044CCAF /* DSPRubberbandNode.m in Sources */,
+				83A3496A2D5C3F430096D530 /* DSPRubberbandNode.m in Sources */,
 				839E56EE2879515D00DFB5F4 /* HeadphoneFilter.mm in Sources */,
 				83504166286447DA006B32CC /* Downmix.m in Sources */,
 				8399CF2D27B5D1D5008751F1 /* NSDictionary+Merge.m in Sources */,