--- a/branches/AudioEngine/xbmc/cores/AudioEngine/AEPackIEC958.h
+++ b/branches/AudioEngine/xbmc/cores/AudioEngine/AEPackIEC958.h
@@ -37,7 +37,7 @@
 #define DTS1_FRAME_SIZE   512
 #define DTS2_FRAME_SIZE   1024
 #define DTS3_FRAME_SIZE   2048
-#define AC3_FRAME_SIZE    6144
+#define AC3_FRAME_SIZE    1536
 #define EAC3_FRAME_SIZE   6144
 #define TRUEHD_FRAME_SIZE 15360