diff --git a/desmume/src/NDSSystem.h b/desmume/src/NDSSystem.h
index ce0e05ddb..7adb300af 100644
--- a/desmume/src/NDSSystem.h
+++ b/desmume/src/NDSSystem.h
@@ -522,6 +522,8 @@ extern struct TCommonSettings {
 		, ConsoleType(NDS_CONSOLE_TYPE_FAT)
 		, StylusJitter(false)
 		, backupSave(false)
+		, SPU_sync_mode(0)
+		, SPU_sync_method(0)
 	{
 		strcpy(ARM9BIOS, "biosnds9.bin");
 		strcpy(ARM7BIOS, "biosnds7.bin");
@@ -614,6 +616,9 @@ extern struct TCommonSettings {
 	int manualBackupType;
 	bool backupSave;
 
+	int SPU_sync_mode;
+	int SPU_sync_method;
+
 	bool spu_muteChannels[16];
 	bool spu_captureMuted;
 	bool spu_advanced;
diff --git a/desmume/src/SPU.cpp b/desmume/src/SPU.cpp
index 715b77e9f..996f21866 100644
--- a/desmume/src/SPU.cpp
+++ b/desmume/src/SPU.cpp
@@ -217,6 +217,8 @@ int SPU_Init(int coreid, int buffersize)
 		}
 	}
 
+	SPU_SetSynchMode(CommonSettings.SPU_sync_mode, CommonSettings.SPU_sync_method);
+
 	return SPU_ChangeSoundCore(coreid, buffersize);
 }
 
diff --git a/desmume/src/commandline.cpp b/desmume/src/commandline.cpp
index 84df1fae2..2be2e2deb 100644
--- a/desmume/src/commandline.cpp
+++ b/desmume/src/commandline.cpp
@@ -44,6 +44,8 @@ CommandLine::CommandLine()
 , _bios_arm9(NULL)
 , _bios_arm7(NULL)
 , _bios_swi(0)
+, _spu_sync_mode(-1)
+, _spu_sync_method(-1)
 , _spu_advanced(0)
 , _num_cores(-1)
 , _rigorous_timing(0)
@@ -93,6 +95,8 @@ void CommandLine::loadCommonOptions()
 		{ "bios-arm9", 0, 0, G_OPTION_ARG_FILENAME, &_bios_arm9, "Uses the arm9 bios provided at the specified path", "BIOS_ARM9_PATH"},
 		{ "bios-arm7", 0, 0, G_OPTION_ARG_FILENAME, &_bios_arm7, "Uses the arm7 bios provided at the specified path", "BIOS_ARM7_PATH"},
 		{ "bios-swi", 0, 0, G_OPTION_ARG_INT, &_bios_swi, "Uses SWI from the provided bios files", "BIOS_SWI"},
+		{ "spu-mode", 0, 0, G_OPTION_ARG_INT, &_spu_sync_mode, "Select SPU Synchronization Mode. 0 - Dual SPU Synch/Asynch (traditional), 1 - Synchronous (sometimes needed for streams) (default 0)", "SPU_MODE"},
+		{ "spu-method", 0, 0, G_OPTION_ARG_INT, &_spu_sync_method, "Select SPU Synchronizer Method. 0 - N, 1 - Z, 2 - P (default 0)", "SPU_SYNC_METHOD"},
 		{ "spu-advanced", 0, 0, G_OPTION_ARG_INT, &_spu_advanced, "Uses advanced SPU capture functions", "SPU_ADVANCED"},
 		{ "num-cores", 0, 0, G_OPTION_ARG_INT, &_num_cores, "Override numcores detection and use this many", "NUM_CORES"},
 		{ "scanline-filter-a", 0, 0, G_OPTION_ARG_INT, &_scanline_filter_a, "Intensity of fadeout for scanlines filter (topleft) (default 0)", "SCANLINE_FILTER_A"},
@@ -192,6 +196,8 @@ bool CommandLine::parse(int argc,char **argv)
 	if(_bios_arm9) { CommonSettings.UseExtBIOS = true; strcpy(CommonSettings.ARM9BIOS,_bios_arm9); }
 	if(_bios_arm7) { CommonSettings.UseExtBIOS = true; strcpy(CommonSettings.ARM7BIOS,_bios_arm7); }
 	if(_bios_swi) CommonSettings.SWIFromBIOS = true;
+	if(_spu_sync_mode != -1) CommonSettings.SPU_sync_mode = _spu_sync_mode;
+	if(_spu_sync_method != -1) CommonSettings.SPU_sync_method = _spu_sync_method;
 	if(_spu_advanced) CommonSettings.spu_advanced = true;
 
 	if (argc == 2)
@@ -219,6 +225,16 @@ bool CommandLine::validate()
 		return false;
 	}
 
+	if (_spu_sync_mode < -1 || _spu_sync_mode > 1) {
+		g_printerr("Invalid parameter\n");
+		return false;
+	}
+
+	if (_spu_sync_method < -1 || _spu_sync_method > 2) {
+		g_printerr("Invalid parameter\n");
+		return false;
+	}
+
 	if (load_slot < -1 || load_slot > 10) {
 		g_printerr("I only know how to load from slots 0-10; -1 means 'do not load savegame' and is default\n");
 		return false;
diff --git a/desmume/src/commandline.h b/desmume/src/commandline.h
index 51cd3fc9e..407cd4dac 100644
--- a/desmume/src/commandline.h
+++ b/desmume/src/commandline.h
@@ -79,6 +79,8 @@ public:
 	GError *error;
 	GOptionContext *ctx;
 
+	int _spu_sync_mode;
+	int _spu_sync_method;
 private:
 	char* _play_movie_file;
 	char* _record_movie_file;
diff --git a/desmume/src/windows/main.cpp b/desmume/src/windows/main.cpp
index ef7fa95e2..51059d7ed 100644
--- a/desmume/src/windows/main.cpp
+++ b/desmume/src/windows/main.cpp
@@ -482,8 +482,6 @@ extern bool userTouchesScreen;
 
 static int sndcoretype=SNDCORE_DIRECTX;
 static int sndbuffersize=DESMUME_SAMPLE_RATE*8/60;
-static int snd_synchmode=0;
-static int snd_synchmethod=0;
 int sndvolume=100;
 
 SoundInterface_struct *SNDCoreList[] = {
@@ -3352,13 +3350,11 @@ int _main()
 	sndvolume = GetPrivateProfileInt("Sound","Volume",100, IniName);
 	SPU_SetVolume(sndvolume);
 
-	snd_synchmode = GetPrivateProfileInt("Sound","SynchMode",0,IniName);
-	snd_synchmethod = GetPrivateProfileInt("Sound","SynchMethod",0,IniName);
-	{
-		Lock lock;
-		SPU_SetSynchMode(snd_synchmode,snd_synchmethod);
-	}
-
+	if (cmdline._spu_sync_mode == -1)
+		CommonSettings.SPU_sync_mode = GetPrivateProfileInt("Sound","SynchMode",0,IniName);
+	if (cmdline._spu_sync_method == -1)
+		CommonSettings.SPU_sync_method = GetPrivateProfileInt("Sound","SynchMethod",0,IniName);	
+	
 	CommonSettings.DebugConsole = GetPrivateProfileBool("Emulation", "DebugConsole", false, IniName);
 	CommonSettings.EnsataEmulation = GetPrivateProfileBool("Emulation", "EnsataEmulation", false, IniName);
 	CommonSettings.UseExtBIOS = GetPrivateProfileBool("BIOS", "UseExtBIOS", false, IniName);
@@ -6818,14 +6814,14 @@ static LRESULT CALLBACK SoundSettingsDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam
 			}
 
 			//update the synch mode
-			CheckDlgItem(hDlg,IDC_SYNCHMODE_DUAL,snd_synchmode==0);
-			CheckDlgItem(hDlg,IDC_SYNCHMODE_SYNCH,snd_synchmode==1);
+			CheckDlgItem(hDlg,IDC_SYNCHMODE_DUAL, CommonSettings.SPU_sync_mode==0);
+			CheckDlgItem(hDlg,IDC_SYNCHMODE_SYNCH,CommonSettings.SPU_sync_mode==1);
 			SoundSettings_updateSynchMode(hDlg);
 
 			//update the synch method
-			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_N,snd_synchmethod==0);
-			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_Z,snd_synchmethod==1);
-			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_P,snd_synchmethod==2);
+			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_N, CommonSettings.SPU_sync_method==0);
+			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_Z, CommonSettings.SPU_sync_method==1);
+			CheckDlgItem(hDlg,IDC_SYNCHMETHOD_P, CommonSettings.SPU_sync_method==2);
 
 			//setup interpolation combobox
 			SendDlgItemMessage(hDlg, IDC_SPU_INTERPOLATION_CB, CB_RESETCONTENT, 0, 0);
@@ -6905,19 +6901,19 @@ static LRESULT CALLBACK SoundSettingsDlgProc(HWND hDlg, UINT uMsg, WPARAM wParam
 					SPU_SetVolume(sndvolume);
 
 					//save the synch mode
-					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMODE_DUAL)) snd_synchmode = 0;
-					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMODE_SYNCH)) snd_synchmode = 1;
-					WritePrivateProfileInt("Sound", "SynchMode", snd_synchmode, IniName);
+					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMODE_DUAL)) CommonSettings.SPU_sync_mode = 0;
+					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMODE_SYNCH)) CommonSettings.SPU_sync_mode = 1;
+					WritePrivateProfileInt("Sound", "SynchMode", CommonSettings.SPU_sync_mode, IniName);
 
 					//save the synch method
-					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_N)) snd_synchmethod = 0;
-					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_Z)) snd_synchmethod = 1;
-					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_P)) snd_synchmethod = 2;
-					WritePrivateProfileInt("Sound", "SynchMethod", snd_synchmethod, IniName);
+					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_N)) CommonSettings.SPU_sync_method = 0;
+					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_Z)) CommonSettings.SPU_sync_method = 1;
+					if(IsDlgCheckboxChecked(hDlg,IDC_SYNCHMETHOD_P)) CommonSettings.SPU_sync_method = 2;
+					WritePrivateProfileInt("Sound", "SynchMethod", CommonSettings.SPU_sync_method, IniName);
 
 					{
 						Lock lock;
-						SPU_SetSynchMode(snd_synchmode, snd_synchmethod);
+						SPU_SetSynchMode(CommonSettings.SPU_sync_mode, CommonSettings.SPU_sync_method);
 					}
 
 					//write interpolation type