Overhaul the sound fix. It was rooted deeper than I thought. This should cover all complaints now(except pressing escape which discards any settings changed: is this by design? :\). Also add new menu option to Win32 UI under Emulation to control whether Atrac 3 should be on/off.

UI/GameSettingsScreen.cpp

@@ -335,6 +335,14 @@ UI::EventReturn GameSettingsScreen::OnBack(UI::EventParams &e) {
 		if(PSP_IsInited() && !IsAudioInitialised())
 			Audio_Init();
 	}
+	// It doesn't matter if audio is inited or not, it'll still output no sound
+	// if the mixer isn't available, so go ahead and init/shutdown at our leisure.
+	if(Atrac3plus_Decoder::IsInstalled()) {
+		if(g_Config.bEnableAtrac3plus)
+			Atrac3plus_Decoder::Init();
+		else Atrac3plus_Decoder::Shutdown();
+	}
+	
 
 	return UI::EVENT_DONE;
 }

UI/GameSettingsScreen.h

@@ -43,7 +43,7 @@ private:
 	UI::EventReturn OnDownloadPlugin(UI::EventParams &e);
 	UI::EventReturn OnControlMapping(UI::EventParams &e);
 	UI::EventReturn OnBack(UI::EventParams &e);
-
+	
 	// Temporaries to convert bools to int settings
 	bool cap60FPS_;
 };

UI/MenuScreens.cpp

@@ -861,14 +861,19 @@ void AudioScreen::render() {
 	int columnw = 400;
 	UICheckBox(GEN_ID, x, y += stride, a->T("Enable Sound"), ALIGN_TOPLEFT, &g_Config.bEnableSound);
 	if (g_Config.bEnableSound) {
-		if (Atrac3plus_Decoder::IsInstalled()) {
-			UICheckBox(GEN_ID, x, y += stride, a->T("Enable Atrac3+"), ALIGN_TOPLEFT, &g_Config.bEnableAtrac3plus);
-		} 
-
+		
 		if(PSP_IsInited() && !IsAudioInitialised()) {
 			Audio_Init();
 		}
 
+		if (Atrac3plus_Decoder::IsInstalled()) {
+			UICheckBox(GEN_ID, x, y += stride, a->T("Enable Atrac3+"), ALIGN_TOPLEFT, &g_Config.bEnableAtrac3plus);
+
+			if(g_Config.bEnableAtrac3plus)
+				Atrac3plus_Decoder::Init();
+			else Atrac3plus_Decoder::Shutdown();
+		} 
+
 		// Show the download button even if not installed - might want to upgrade.
 		VLinear vlinear(30, 400, 20);
 		std::string atracString;

Windows/WndMainWindow.cpp

@@ -42,6 +42,7 @@
 #include "Core/SaveState.h"
 #include "Core/System.h"
 #include "Core/Config.h"
+#include "Core/HW/atrac3plus.h"
 #include "Windows/EmuThread.h"
 
 #include "resource.h"
@@ -1029,6 +1030,23 @@ namespace MainWindow
 
 				case ID_EMULATION_SOUND:
 					g_Config.bEnableSound = !g_Config.bEnableSound;
+					if(!g_Config.bEnableSound) {
+						EnableMenuItem(menu, ID_EMULATION_ATRAC3_SOUND, MF_GRAYED);
+						if(!IsAudioInitialised())
+							Audio_Init();
+					}
+					else
+						EnableMenuItem(menu, ID_EMULATION_ATRAC3_SOUND, MF_ENABLED);
+					break;
+
+				case ID_EMULATION_ATRAC3_SOUND:
+					g_Config.bEnableAtrac3plus = !g_Config.bEnableAtrac3plus;
+
+					if(Atrac3plus_Decoder::IsInstalled()) {
+						if(g_Config.bEnableAtrac3plus)
+							Atrac3plus_Decoder::Init();
+						else Atrac3plus_Decoder::Shutdown();
+					}
 					break;
 
 				case ID_HELP_OPENWEBSITE:
@@ -1217,6 +1235,7 @@ namespace MainWindow
 		CHECKITEM(ID_OPTIONS_TOPMOST, g_Config.bTopMost);
 		CHECKITEM(ID_EMULATION_SOUND, g_Config.bEnableSound);
 		CHECKITEM(ID_TEXTURESCALING_DEPOSTERIZE, g_Config.bTexDeposterize);
+		CHECKITEM(ID_EMULATION_ATRAC3_SOUND, g_Config.bEnableAtrac3plus);
 
 		static const int zoomitems[4] = {
 			ID_OPTIONS_SCREEN1X,