diff --git a/source/audio.cpp b/source/audio.cpp
index b52493c..248bc93 100644
--- a/source/audio.cpp
+++ b/source/audio.cpp
@@ -97,7 +97,7 @@ InitAudio ()
 {
 	#ifdef NO_SOUND
 	AUDIO_Init (NULL);
-	AUDIO_SetDSPSampleRate(AI_SAMPLERATE_32KHZ);
+	AUDIO_SetDSPSampleRate(AI_SAMPLERATE_48KHZ);
 	AUDIO_RegisterDMACallback(GCMixSamples);
 	#else
 	ASND_Init();
@@ -122,7 +122,6 @@ SwitchAudioMode(int mode)
 		AUDIO_StopDMA();
 		AUDIO_RegisterDMACallback(NULL);
 		DSP_Halt();
-		AUDIO_SetDSPSampleRate(AI_SAMPLERATE_32KHZ);
 		AUDIO_RegisterDMACallback(GCMixSamples);
 		#endif
 		memset(soundbuffer[0],0,AUDIOBUFFER);
diff --git a/source/preferences.cpp b/source/preferences.cpp
index 2ab9388..d4dbc22 100644
--- a/source/preferences.cpp
+++ b/source/preferences.cpp
@@ -474,15 +474,15 @@ DefaultSettings ()
 	Settings.DontSaveOopsSnapshot = true;
 	Settings.ApplyCheats = true;
 
-	Settings.BlockInvalidVRAMAccess = false;
 	Settings.HDMATimingHack = 100;
+	Settings.BlockInvalidVRAMAccessMaster = true;
 
 	// Sound defaults. On Wii this is 32Khz/16bit/Stereo
 	Settings.SoundSync = true;
 	Settings.SixteenBitSound = true;
 	Settings.Stereo = true;
 	Settings.ReverseStereo = true;
-	Settings.SoundPlaybackRate = 32040;
+	Settings.SoundPlaybackRate = 48000;
 	Settings.SoundInputRate = 32000;
 	Settings.DynamicRateControl = true;
 
diff --git a/source/snes9xgx.cpp b/source/snes9xgx.cpp
index 1b5ae91..fb45f1b 100644
--- a/source/snes9xgx.cpp
+++ b/source/snes9xgx.cpp
@@ -378,7 +378,7 @@ void InitializeSnes9x() {
 	if (!S9xInitAPU ())
 		ExitApp();
 
-	S9xInitSound (64, 0); // Initialise Sound System
+	S9xInitSound (32, 0); // Initialise Sound System
 
 	// Initialise Graphics
 	setGFX ();