--- mec2_const.h.0002820	2005-07-28 00:26:29.000000000 +0930
+++ mec2_const.h.0004823	2005-07-28 00:39:01.000000000 +0930
@@ -57,6 +57,12 @@
  #define RESIDUAL_SUPRESSION_PASSES 1
 #endif
 
+/* If defined then agressive echo cancellation will only be used for
+ * this amount of time then we will go back to normal cancelation.
+ * This is helpful if you have bad echo while training
+ */
+/* #define AGGRESSIVE_TIMELIMIT 150000 */ /* 8 = 1ms */
+
 
 /***************************************************************/
 /* The following knobs are not implemented in the current code */