Index: common.h
===================================================================
--- common.h	(revision 538)
+++ common.h	(revision 539)
@@ -221,6 +221,7 @@
 
 #define RAYDIUM_SOUND_NUM_BUFFERS 		30
 #define RAYDIUM_SOUND_NUM_SOURCES 		30
+#define RAYDIUM_SOUND_VIDEO_SYNC_THRESHOLD	0.01 // 10 ms
 #define SOUNDDATASIZE 				(4096*20)
 //#define RAYDIUM_SOUND_NUM_ENVIRONMENTS 		1