diff --git a/src/machineLearning/machineLearning.h b/src/machineLearning/machineLearning.h
index ceefc42f9e220144b1b417235c68de6fb94ebf24..df2da323ae12c070b2a30da0322132d54a878d56 100644
--- a/src/machineLearning/machineLearning.h
+++ b/src/machineLearning/machineLearning.h
@@ -64,7 +64,7 @@ typedef machineLearning<xmmHmrTool> xmmTemporalRegression;
 
 /*
 typedef machineLearning<GVF> gvf;
-*/
+//*/
 
 RAPIDMIX_END_NAMESPACE
 
diff --git a/src/signalProcessing/signalProcessing.h b/src/signalProcessing/signalProcessing.h
index 43fbfb2e586f6ad21bd7521218b2560e86752b25..3edb4130221dacc5fca21ba8e203ceaaf6713e09 100644
--- a/src/signalProcessing/signalProcessing.h
+++ b/src/signalProcessing/signalProcessing.h
@@ -23,6 +23,10 @@ typedef maxiFFT FFT;
 typedef maxiMFCC MFCC;
 typedef rapidStream rapidStream; //MZ: Best... typedef... EVER!
 
+typedef pipoHost pipoHost;
+typedef pipoStreamAttributes pipoStreamAttributes;
+
+
 RAPIDMIX_END_NAMESPACE
 
 #endif