diff --git a/linker_scripts/us/symbol_addrs_code.txt b/linker_scripts/us/symbol_addrs_code.txt
index d63f748..c02b74b 100644
--- a/linker_scripts/us/symbol_addrs_code.txt
+++ b/linker_scripts/us/symbol_addrs_code.txt
@@ -1365,7 +1365,7 @@ func_80045D60 = 0x80045D60; // type:func
 func_80045FF0 = 0x80045FF0; // type:func
 func_80046EF0 = 0x80046EF0; // type:func
 n_alEnvmixerPull = 0x80046F60; // type:func
-func_80047500 = 0x80047500; // type:func
+n_alEnvmixerParam = 0x80047500; // type:func
 func_800475A4 = 0x800475A4; // type:func
 func_800477D0 = 0x800477D0; // type:func
 func_80047958 = 0x80047958; // type:func
@@ -1392,7 +1392,7 @@ _n_collectPVoices = 0x80049648; // type:func
 _n_freePVoice = 0x800496AC; // type:func
 _n_timeToSamplesNoRound = 0x800496E0; // type:func
 _n_timeToSamples = 0x80049734; // type:func
-func_80049760 = 0x80049760; // type:func
+n_alSynSetPan = 0x80049760; // type:func
 func_800497E0 = 0x800497E0; // type:func
 func_8004980C = 0x8004980C; // type:func
 func_80049890 = 0x80049890; // type:func
diff --git a/src/47B60.c b/src/47B60.c
index 0ca45d8..0f199ba 100644
--- a/src/47B60.c
+++ b/src/47B60.c
@@ -2,7 +2,7 @@
 
 #pragma GLOBAL_ASM("asm/us/nonmatchings/47B60/n_alEnvmixerPull.s")
 
-#pragma GLOBAL_ASM("asm/us/nonmatchings/47B60/func_80047500.s")
+#pragma GLOBAL_ASM("asm/us/nonmatchings/47B60/n_alEnvmixerParam.s")
 
 #pragma GLOBAL_ASM("asm/us/nonmatchings/47B60/func_800475A4.s")
 
diff --git a/src/4A360.c b/src/4A360.c
deleted file mode 100644
index 23c953a..0000000
--- a/src/4A360.c
+++ /dev/null
@@ -1,3 +0,0 @@
-#include "global.h"
-
-#pragma GLOBAL_ASM("asm/us/nonmatchings/4A360/func_80049760.s")
diff --git a/src/4F7F0.c b/src/4F7F0.c
index 82bb1ca..bf81bb2 100644
--- a/src/4F7F0.c
+++ b/src/4F7F0.c
@@ -20,7 +20,6 @@ struct UnkStruct8004EBF0 {
     char filler[0x8];
     struct UnkStructUnk8* unk8;
 };
-void func_80047500(void*, u8, void*, void*);
 
 void func_8004EBF0(struct UnkStruct8004EBF0* arg0, f32 arg1) {
     struct UnkArray4* temp_v0;
@@ -32,7 +31,7 @@ void func_8004EBF0(struct UnkStruct8004EBF0* arg0, f32 arg1) {
             temp_v0->unk8 = 7;
             temp_v0->unkC = arg1;
             temp_v0->unk0 = 0;
-            func_80047500(arg0->unk8, 3, temp_v0, arg0);
+            n_alEnvmixerParam(arg0->unk8, 3, temp_v0);
         }
     }
 }
diff --git a/src/libnaudio/n_synsetpan.c b/src/libnaudio/n_synsetpan.c
new file mode 100644
index 0000000..22a3d06
--- /dev/null
+++ b/src/libnaudio/n_synsetpan.c
@@ -0,0 +1,51 @@
+/*====================================================================
+ *
+ * Copyright 1993, Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics,
+ * Inc.; the contents of this file may not be disclosed to third
+ * parties, copied or duplicated in any form, in whole or in part,
+ * without the prior written permission of Silicon Graphics, Inc.
+ *
+ * RESTRICTED RIGHTS LEGEND:
+ * Use, duplication or disclosure by the Government is subject to
+ * restrictions as set forth in subdivision (c)(1)(ii) of the Rights
+ * in Technical Data and Computer Software clause at DFARS
+ * 252.227-7013, and/or in similar or successor clauses in the FAR,
+ * DOD or NASA FAR Supplement. Unpublished - rights reserved under the
+ * Copyright Laws of the United States.
+ *====================================================================*/
+
+#include <os_internal.h>
+#include <ultraerror.h>
+#include "n_synthInternals.h"
+
+void n_alSynSetPan(N_ALVoice *v, u8 pan)
+{
+    ALParam  *update;
+
+    if (v->pvoice) {
+
+        /*
+         * get new update struct from the free list
+         */
+        update = __n_allocParam();
+        ALFailIf(update == 0, ERR_ALSYN_NO_UPDATE);
+
+        /*
+         * set offset and pan data
+         */
+#ifdef SAMPLE_ROUND
+	update->delta  = SAMPLE184( n_syn->paramSamples + v->pvoice->offset);
+#else
+        update->delta  = n_syn->paramSamples + v->pvoice->offset;
+#endif
+        update->type   = AL_FILTER_SET_PAN;
+        update->data.i = pan;
+        update->next   = 0;
+
+	n_alEnvmixerParam(v->pvoice, AL_FILTER_ADD_UPDATE, update);        
+    }
+}
+
diff --git a/yamls/us/rom.yaml b/yamls/us/rom.yaml
index 7da6278..245b1c0 100644
--- a/yamls/us/rom.yaml
+++ b/yamls/us/rom.yaml
@@ -96,7 +96,7 @@
     - [0x49790, c]
     - [0x49BA0, c]
     - [0x49DC0, c, libnaudio/n_synthesizer]
-    - [0x4A360, c]
+    - [0x4A360, c, libnaudio/n_synsetpan]
     - [0x4A3E0, c]
     - [0x4B940, c, 4B940]
     - [0x4BA90, c, 4BA90]