diff --git a/src/channel.cpp b/src/channel.cpp
index 52ea1fc7..517bd65b 100755
--- a/src/channel.cpp
+++ b/src/channel.cpp
@@ -151,10 +151,7 @@ void CChannel::SetAudioStreamProperties ( const int iNewNetwFrameSize,
     // init conversion buffer
     ConvBuf.Init ( iNetwFrameSize * iNetwFrameSizeFact );
 
-    // initialize and reset cycle time variance measurement
-    CycleTimeVariance.Init ( iNetwFrameSizeFact * SYSTEM_FRAME_SIZE_SAMPLES,
-        SYSTEM_SAMPLE_RATE_HZ, TIME_MOV_AV_RESPONSE_SECONDS );
-
+    // reset cycle time variance measurement
     CycleTimeVariance.Reset();
 
     // tell the server that audio coding has changed
@@ -641,9 +638,9 @@ void CChannel::UpdateSocketBufferSize ( const double dLocalStdDev )
 // TEST
 //if (bIsServer) {
 static FILE* pFile = fopen ( "c:\\temp\\test.dat", "w" );
-fprintf ( pFile, "%e %e %e %e\n", CycleTimeVariance.GetStdDev(), dLocalStdDev, dAudioBufferDurationMs, dEstCurBufSet );
+fprintf ( pFile, "%e %e %e\n", CycleTimeVariance.GetStdDev(), dLocalStdDev, dEstCurBufSet );
 fflush ( pFile );
-// close;x=read('c:/temp/test.dat',-1,4);plot(x)
+// close;x=read('c:/temp/test.dat',-1,3);plot(x)
 //}
 */
 
diff --git a/src/client.cpp b/src/client.cpp
index d7e9ca08..c055cc1f 100755
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -595,7 +595,7 @@ void CClient::Init()
     vecdAudioStereo.Init     ( iStereoBlockSizeSam );
 
     // init response time evaluation
-    CycleTimeVariance.Init ( iMonoBlockSizeSam,
+    CycleTimeVariance.Init ( SYSTEM_FRAME_SIZE_SAMPLES,
         SYSTEM_SAMPLE_RATE_HZ, TIME_MOV_AV_RESPONSE_SECONDS );
 
     CycleTimeVariance.Reset();
diff --git a/src/util.h b/src/util.h
index 497544f1..d4be259f 100755
--- a/src/util.h
+++ b/src/util.h
@@ -727,7 +727,7 @@ public:
     void Init ( const int iNewBlockLengthAtSystemSampleRate,
                 const int iNewSystemSampleRateHz,
                 const int iHistoryLengthTimeSec,
-                const int iNewNewValueBoundFactor = 10 )
+                const int iNewNewValueBoundFactor = MAX_NET_BUF_SIZE_NUM_BL )
     {
         // store block size and new value bound factor
         iBlockLengthAtSystemSampleRate = iNewBlockLengthAtSystemSampleRate;
@@ -760,6 +760,14 @@ public:
         const double dCurAddVal =
             static_cast<double> ( CurTime - TimeLastBlock ) - dIntervalTime;
 
+/*
+// TEST
+static FILE* pFile = fopen ( "c:\\temp\\test.dat", "w" );
+fprintf ( pFile, "%e %e\n", dCurAddVal, iNewValueBoundFactor * dIntervalTime );
+fflush ( pFile );
+// close;x=read('c:/temp/test.dat',-1,2);plot(x)
+*/
+
         if ( iNewValueBoundFactor > 0 )
         {
             // check if new value is in range