Index: /trunk/src/VBox/ValidationKit/utils/audio/vkatCmdSelfTest.cpp
===================================================================
--- /trunk/src/VBox/ValidationKit/utils/audio/vkatCmdSelfTest.cpp	(revision 91652)
+++ /trunk/src/VBox/ValidationKit/utils/audio/vkatCmdSelfTest.cpp	(revision 91653)
@@ -47,4 +47,5 @@
 #include <iprt/getopt.h>
 #include <iprt/message.h>
+#include <iprt/rand.h>
 #include <iprt/test.h>
 
@@ -186,4 +187,8 @@
     pTstEnvHst->fSelftest = true;
 
+    /* One test iteration with a 5s maximum test tone is enough for a (quick) self test. */
+    pTstEnvHst->cIterations          = 1;
+    pTstEnvHst->ToneParms.msDuration = RTRandU32Ex(500, RT_MS_5SEC);
+
     /* Generate tag for host side. */
     rc = RTStrCopy(pTstEnvHst->szTag, sizeof(pTstEnvHst->szTag), pCtx->szTag);