diff --git a/ag.cc b/ag.cc
index dd28833..76889b7 100644
--- a/ag.cc
+++ b/ag.cc
@@ -327,6 +327,10 @@ namespace ag
         lua_setfield(L, -2, "loop");
         lua_pushcfunction(L, sound::loopForever);
         lua_setfield(L, -2, "loopForever");
+        lua_pushcfunction(L, sound::getVolume);
+        lua_setfield(L, -2, "getVolume");
+        lua_pushcfunction(L, sound::setVolume);
+        lua_setfield(L, -2, "setVolume");
     }
 
     static void createLuaAMotor(lua_State * L, int id)
@@ -1701,5 +1705,36 @@ namespace ag
             }
             return 0;
         }
+
+        int getVolume(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 1 && lua_istable(L, 1))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    float v = snd->getVolume();
+                    lua_pushnumber(L, v);
+                    return 1;
+                }
+            }
+            return 0;
+        }
+
+        int setVolume(lua_State * L)
+        {
+            int argc = lua_gettop(L);
+            if (argc == 2 && lua_istable(L, 1) && lua_isnumber(L, 2))
+            {
+                refptr<AV::Sound> snd = getSound(L, 1);
+                if (!snd.isNull())
+                {
+                    float volume = lua_tonumber(L, 2);
+                    snd->setVolume(volume);
+                }
+            }
+            return 0;
+        }
     }
 }
diff --git a/ag.h b/ag.h
index 36b073b..f59e52b 100644
--- a/ag.h
+++ b/ag.h
@@ -114,6 +114,8 @@ namespace ag
         int stop(lua_State * L);
         int loop(lua_State * L);
         int loopForever(lua_State * L);
+        int getVolume(lua_State * L);
+        int setVolume(lua_State * L);
     }
 }