Index: /trunk/src/VBox/Devices/Audio/AudioTest.cpp
===================================================================
--- /trunk/src/VBox/Devices/Audio/AudioTest.cpp	(revision 91665)
+++ /trunk/src/VBox/Devices/Audio/AudioTest.cpp	(revision 91666)
@@ -2773,7 +2773,7 @@
 
     pOpts->fKeepGoing      = true;
-    pOpts->fNormalize      = true;
-    pOpts->cMaxDiff        = 0; /* By default we're very strict and consider any diff as being erroneous. */
-    pOpts->uMaxSizePercent = 1; /* 1% is okay for us; might be due to any buffering / setup phase. */
+    pOpts->fNormalize      = false; /* Skip normalization by default now, as we now use the OS' master volume to play/record tones. */
+    pOpts->cMaxDiff        = 0;     /* By default we're very strict and consider any diff as being erroneous. */
+    pOpts->uMaxSizePercent = 1;     /* 1% is okay for us; might be due to any buffering / setup phase. */
 
     /* We use a search window of 10ms by default for finding (non-)silent parts. */