diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 6f66f2c4a..53f97f129 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -106,6 +106,7 @@ set(libdevilutionx_SRCS
   engine/palette.cpp
   engine/path.cpp
   engine/random.cpp
+  engine/sound_position.cpp
   engine/surface.cpp
   engine/trn.cpp
 
diff --git a/Source/effects.cpp b/Source/effects.cpp
index efcd272e4..8ca2ddfc3 100644
--- a/Source/effects.cpp
+++ b/Source/effects.cpp
@@ -8,6 +8,7 @@
 #include "engine/random.hpp"
 #include "engine/sound.h"
 #include "engine/sound_defs.hpp"
+#include "engine/sound_position.hpp"
 #include "init.h"
 #include "player.h"
 #include "utils/stdcompat/algorithm.hpp"
@@ -1201,25 +1202,6 @@ void stream_stop()
 	}
 }
 
-bool CalculateSoundPosition(Point soundPosition, int *plVolume, int *plPan)
-{
-	const auto &playerPosition = MyPlayer->position.tile;
-	const auto delta = soundPosition - playerPosition;
-
-	int pan = (delta.deltaX - delta.deltaY) * 256;
-	*plPan = clamp(pan, PAN_MIN, PAN_MAX);
-
-	int volume = playerPosition.ApproxDistance(soundPosition);
-	volume *= -64;
-
-	if (volume <= ATTENUATION_MIN)
-		return false;
-
-	*plVolume = volume;
-
-	return true;
-}
-
 void PlaySFX(_sfx_id psfx)
 {
 	psfx = RndSFX(psfx);
diff --git a/Source/effects.h b/Source/effects.h
index c4ebd6d9e..e0f74f8f2 100644
--- a/Source/effects.h
+++ b/Source/effects.h
@@ -1177,7 +1177,6 @@ extern _sfx_id sfxdnum;
 
 bool effect_is_playing(int nSFX);
 void stream_stop();
-bool CalculateSoundPosition(Point soundPosition, int *plVolume, int *plPan);
 void PlaySFX(_sfx_id psfx);
 void PlaySfxLoc(_sfx_id psfx, Point position, bool randomizeByCategory = true);
 void sound_stop();
diff --git a/Source/effects_stubs.cpp b/Source/effects_stubs.cpp
index 650f90c39..72942135e 100644
--- a/Source/effects_stubs.cpp
+++ b/Source/effects_stubs.cpp
@@ -12,7 +12,6 @@ _sfx_id sfxdnum;
 // clang-format off
 bool effect_is_playing(int nSFX) { return false; }
 void stream_stop() { }
-bool CalculateSoundPosition(Point soundPosition, int *plVolume, int *plPan) { return false; }
 void PlaySFX(_sfx_id psfx)
 {
 	switch (psfx) {
diff --git a/Source/engine/sound_position.cpp b/Source/engine/sound_position.cpp
new file mode 100644
index 000000000..e2ab755ec
--- /dev/null
+++ b/Source/engine/sound_position.cpp
@@ -0,0 +1,27 @@
+#include "engine/sound_position.hpp"
+
+#include "engine/sound_defs.hpp"
+#include "player.h"
+
+namespace devilution {
+
+bool CalculateSoundPosition(Point soundPosition, int *plVolume, int *plPan)
+{
+	const auto &playerPosition = MyPlayer->position.tile;
+	const auto delta = soundPosition - playerPosition;
+
+	int pan = (delta.deltaX - delta.deltaY) * 256;
+	*plPan = clamp(pan, PAN_MIN, PAN_MAX);
+
+	int volume = playerPosition.ApproxDistance(soundPosition);
+	volume *= -64;
+
+	if (volume <= ATTENUATION_MIN)
+		return false;
+
+	*plVolume = volume;
+
+	return true;
+}
+
+} // namespace devilution
diff --git a/Source/engine/sound_position.hpp b/Source/engine/sound_position.hpp
new file mode 100644
index 000000000..de062c59b
--- /dev/null
+++ b/Source/engine/sound_position.hpp
@@ -0,0 +1,9 @@
+#pragma once
+
+#include "engine/point.hpp"
+
+namespace devilution {
+
+bool CalculateSoundPosition(Point soundPosition, int *plVolume, int *plPan);
+
+} // namespace devilution
diff --git a/Source/monster.cpp b/Source/monster.cpp
index 6b0cea171..2224e3e27 100644
--- a/Source/monster.cpp
+++ b/Source/monster.cpp
@@ -21,6 +21,7 @@
 #include "engine/points_in_rectangle_range.hpp"
 #include "engine/random.hpp"
 #include "engine/render/clx_render.hpp"
+#include "engine/sound_position.hpp"
 #include "engine/world_tile.hpp"
 #include "init.h"
 #include "levels/crypt.h"
diff --git a/test/effects_test.cpp b/test/effects_test.cpp
index 36a576e62..73f55c8ab 100644
--- a/test/effects_test.cpp
+++ b/test/effects_test.cpp
@@ -1,6 +1,7 @@
 #include <gtest/gtest.h>
 
 #include "effects.h"
+#include "engine/sound_position.hpp"
 #include "player.h"
 
 using namespace devilution;