diff --git a/src/mod/formats/mod_shout/mod_shout.c b/src/mod/formats/mod_shout/mod_shout.c
index a0dc429585..9cefbb9bc9 100644
--- a/src/mod/formats/mod_shout/mod_shout.c
+++ b/src/mod/formats/mod_shout/mod_shout.c
@@ -37,9 +37,9 @@
 #include <lame.h>
 #include <curl/curl.h>
 
-#define OUTSCALE 8192
-#define MP3_SCACHE 16384
-#define MP3_DCACHE 8192
+#define OUTSCALE 8192 * 2
+#define MP3_SCACHE 16384 * 2
+#define MP3_DCACHE 8192 *2
 
 SWITCH_MODULE_LOAD_FUNCTION(mod_shout_load);
 SWITCH_MODULE_SHUTDOWN_FUNCTION(mod_shout_shutdown);
diff --git a/src/switch_channel.c b/src/switch_channel.c
index 429ac735d2..b6d9be4bdf 100644
--- a/src/switch_channel.c
+++ b/src/switch_channel.c
@@ -1355,6 +1355,15 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 						*e++ = '\0';
 						break;
 					}
+
+					if (br > 0) {
+						if (e != s && *e == '{') {
+							br++;
+						} else if (br > 1 && *e == '}') {
+							br--;
+						}
+					}
+					
 					e++;
 				}
 				p = e;
@@ -1380,7 +1389,7 @@ SWITCH_DECLARE(char *) switch_channel_expand_variables(switch_channel_t *channel
 
 					if (stream.data) {
 						char *expanded = NULL;
-						
+
 						if ((expanded = switch_channel_expand_variables(channel, vval)) == vval) {
 							expanded = NULL;
 						} else {