diff --git a/binding-mri/audio-binding.cpp b/binding-mri/audio-binding.cpp
index 262f5c7..883f958 100644
--- a/binding-mri/audio-binding.cpp
+++ b/binding-mri/audio-binding.cpp
@@ -86,6 +86,21 @@ RB_METHOD(audio_##entity##Fade) \
 		return rb_float_new(shState->audio().entity##Pos()); \
 	}
 
+#define DEF_AUD_PROP_I(PropName) \
+	RB_METHOD(audio##Get##PropName) \
+	{ \
+		RB_UNUSED_PARAM; \
+		return rb_fix_new(shState->audio().get##PropName()); \
+	} \
+	RB_METHOD(audio##Set##PropName) \
+	{ \
+		RB_UNUSED_PARAM; \
+		int value; \
+		rb_get_args(argc, argv, "i", &value RB_ARG_END); \
+		shState->audio().set##PropName(value); \
+		return rb_fix_new(value); \
+	}
+
 DEF_PLAY_STOP_POS( bgm )
 DEF_PLAY_STOP_POS( bgs )
 
@@ -97,6 +112,9 @@ DEF_FADE( me )
 
 DEF_PLAY_STOP( se )
 
+DEF_AUD_PROP_I(BGM_Volume)
+DEF_AUD_PROP_I(SFX_Volume)
+
 RB_METHOD(audioReset)
 {
 	RB_UNUSED_PARAM;
@@ -121,6 +139,11 @@ RB_METHOD(audioReset)
 #define BIND_POS(entity) \
 	_rb_define_module_function(module, #entity "_pos", audio_##entity##Pos);
 
+#define INIT_AUD_PROP_BIND(PropName, prop_name_s) \
+{ \
+	_rb_define_module_function(module, prop_name_s, audio##Get##PropName); \
+	_rb_define_module_function(module, prop_name_s "=", audio##Set##PropName); \
+}
 
 void
 audioBindingInit()
@@ -140,4 +163,7 @@ audioBindingInit()
 	BIND_PLAY_STOP( se )
 
 	_rb_define_module_function(module, "__reset__", audioReset);
+
+	INIT_AUD_PROP_BIND( BGM_Volume, "bgm_volume" );
+	INIT_AUD_PROP_BIND( SFX_Volume, "sfx_volume" );
 }
diff --git a/binding-mri/graphics-binding.cpp b/binding-mri/graphics-binding.cpp
index d8a874e..01bc8e5 100644
--- a/binding-mri/graphics-binding.cpp
+++ b/binding-mri/graphics-binding.cpp
@@ -202,6 +202,7 @@ DEF_GRA_PROP_I(Brightness)
 DEF_GRA_PROP_B(Fullscreen)
 DEF_GRA_PROP_B(ShowCursor)
 DEF_GRA_PROP_B(Smooth)
+DEF_GRA_PROP_B(Frameskip)
 
 #define INIT_GRA_PROP_BIND(PropName, prop_name_s) \
 { \
@@ -244,4 +245,5 @@ void graphicsBindingInit()
 	INIT_GRA_PROP_BIND( Fullscreen, "fullscreen"  );
 	INIT_GRA_PROP_BIND( ShowCursor, "show_cursor" );
 	INIT_GRA_PROP_BIND( Smooth,     "smooth"      );
+	INIT_GRA_PROP_BIND( Frameskip,     "frameskip"      );
 }
diff --git a/src/audio.cpp b/src/audio.cpp
index fbc62c1..827e61c 100644
--- a/src/audio.cpp
+++ b/src/audio.cpp
@@ -34,10 +34,17 @@
 
 struct AudioPrivate
 {
+	int bgm_volume;
+	int sfx_volume;
+
 	AudioStream bgm;
 	AudioStream bgs;
 	AudioStream me;
 
+	int current_bgm_volume;
+	int current_bgs_volume;
+	int current_me_volume;
+
 	SoundEmitter se;
 
 	SyncPoint &syncPoint;
@@ -69,6 +76,11 @@ struct AudioPrivate
 	      se(rtData.config),
 	      syncPoint(rtData.syncPoint)
 	{
+		bgm_volume = 100;
+		sfx_volume = 100;
+		current_bgm_volume = 100;
+		current_bgs_volume = 100;
+		current_me_volume = 100;
 		meWatch.state = MeNotPlaying;
 		meWatch.thread = createSDLThread
 			<AudioPrivate, &AudioPrivate::meWatchFun>(this, "audio_mewatch");
@@ -246,6 +258,7 @@ void Audio::bgmPlay(const char *filename,
                     int pitch,
                     float pos)
 {
+	p->current_bgm_volume = volume;
 	p->bgm.play(filename, volume, pitch, pos);
 }
 
@@ -265,6 +278,7 @@ void Audio::bgsPlay(const char *filename,
                     int pitch,
                     float pos)
 {
+	p->current_bgs_volume = volume;
 	p->bgs.play(filename, volume, pitch, pos);
 }
 
@@ -283,6 +297,7 @@ void Audio::mePlay(const char *filename,
                    int volume,
                    int pitch)
 {
+	p->current_me_volume = volume;
 	p->me.play(filename, volume, pitch);
 }
 
@@ -301,7 +316,7 @@ void Audio::sePlay(const char *filename,
                    int volume,
                    int pitch)
 {
-	p->se.play(filename, volume, pitch);
+	p->se.play(filename, (volume*p->sfx_volume)/100, pitch);
 }
 
 void Audio::seStop()
@@ -327,4 +342,44 @@ void Audio::reset()
 	p->se.stop();
 }
 
+int Audio::getBGM_Volume() const
+{
+	return p->bgm_volume;
+}
+
+void Audio::setBGM_Volume(int value)
+{
+	if(value > 100){
+		value = 100;
+	}else if(value < 0){
+		value = 0;
+	}
+	p->bgm_volume = value;
+	p->bgm.lockStream();
+	p->bgm.setVolume(AudioStream::External, ((float)(p->bgm_volume * p->current_bgm_volume))/10000.0f );
+	p->bgm.unlockStream();
+	p->me.lockStream();
+	p->me.setVolume(AudioStream::External, ((float)(p->bgm_volume * p->current_me_volume))/10000.0f );
+	p->me.unlockStream();
+}
+
+int Audio::getSFX_Volume() const
+{
+	return p->sfx_volume;
+}
+
+void Audio::setSFX_Volume(int value)
+{
+	if(value > 100){
+		value = 100;
+	}else if(value < 0){
+		value = 0;
+	}
+	p->sfx_volume = value;
+	p->bgs.lockStream();
+	p->bgs.setVolume(AudioStream::External, ((float)(p->sfx_volume * p->current_bgs_volume))/10000.0f );
+	p->bgs.unlockStream();
+	
+}
+
 Audio::~Audio() { delete p; }
diff --git a/src/audio.h b/src/audio.h
index e231fb6..80e10ec 100644
--- a/src/audio.h
+++ b/src/audio.h
@@ -22,6 +22,8 @@
 #ifndef AUDIO_H
 #define AUDIO_H
 
+#include "util.h"
+
 /* Concerning the 'pos' parameter:
  *   RGSS3 actually doesn't specify a format for this,
  *   it's only implied that it is a numerical value
@@ -68,6 +70,10 @@ public:
 
 	void reset();
 
+        /* Non-standard extension */
+	DECL_ATTR( BGM_Volume, int)
+        DECL_ATTR( SFX_Volume, int)
+
 private:
 	Audio(RGSSThreadData &rtData);
 	~Audio();
diff --git a/src/graphics.cpp b/src/graphics.cpp
index 0f921ef..7ca53c6 100644
--- a/src/graphics.cpp
+++ b/src/graphics.cpp
@@ -1046,6 +1046,16 @@ void Graphics::setSmooth(bool value)
 	p->threadData->config.smoothScaling = value;
 }
 
+bool Graphics::getFrameskip() const
+{
+	return p->threadData->config.frameSkip;
+}
+
+void Graphics::setFrameskip(bool value)
+{
+	p->threadData->config.frameSkip = value;
+}
+
 bool Graphics::getShowCursor() const
 {
 	return p->threadData->ethread->getShowCursor();
diff --git a/src/graphics.h b/src/graphics.h
index c52f95d..5202b54 100644
--- a/src/graphics.h
+++ b/src/graphics.h
@@ -63,6 +63,7 @@ public:
 	DECL_ATTR( Fullscreen, bool )
 	DECL_ATTR( ShowCursor, bool )
 	DECL_ATTR( Smooth,     bool )
+	DECL_ATTR( Frameskip,  bool )
 
 	/* <internal> */
 	Scene *getScreen() const;