diff --git a/zdefs.acs b/zdefs.acs
index c75de7d..40bef9b 100644
--- a/zdefs.acs
+++ b/zdefs.acs
@@ -675,6 +675,21 @@
 #define SECSEQ_FULLHEIGHT		3
 #define SECSEQ_INTERIOR			4
 
+// Channels for PlaySound and StopSound
+
+#define CHAN_AUTO				0
+#define CHAN_WEAPON				1
+#define CHAN_VOICE				2
+#define CHAN_ITEM				3
+#define CHAN_BODY				4
+
+// Standard attenuation values for PlaySound
+
+#define ATTN_NONE				0		// full volume the entire level
+#define ATTN_NORM				1.0
+#define ATTN_IDLE				1.001
+#define ATTN_STATIC				3.0		// dimish very rapidly with distance
+
 // Actor pointer selectors
 
 #DEFINE	AAPTR_DEFAULT 0
diff --git a/zspecial.acs b/zspecial.acs
index 5230279..f2bbf38 100644
--- a/zspecial.acs
+++ b/zspecial.acs
@@ -301,6 +301,9 @@ special
 	-57:SetCVarString(2),
 	-58:GetUserCVarString(2),
 	-59:SetUserCVarString(3),
+	-60:LineAttack(3,6),
+	-61:PlaySound(2,6),
+	-62:StopSound(1,2),
 	
 	// ZDaemon's
 	-19260:GetTeamScore(1),