Add the Sound Quality option.

This option should change the sample rate to 44.1kHz instead of the original.

Quake/menu.c

@@ -3219,6 +3219,7 @@ void M_Menu_Gamepad_f (void)
 													\
 	def (OPT_SNDVOL,		"Sound Volume")			\
 	def (OPT_MUSICVOL,		"Music Volume")			\
+	def (OPT_SNDQUAL,		"Sound Quality")		\
 	def (OPT_MUSICEXT,		"External Music")		\
 ////////////////////////////////////////////////////
 #define VIDEO_OPTIONS_LIST(def)						\
@@ -3596,6 +3597,9 @@ void M_AdjustSliders (int dir)
 		else if (f > 1)	f = 1;
 		Cvar_SetValue ("volume", f);
 		break;
+	case OPT_SNDQUAL:	// Change sample rate from 11.5kHz to 44.1kHz
+		Cvar_Set ("sndspeed", sndspeed.value ? "11025" : "44100");
+		break;
 
 	case OPT_HUDSTYLE:	// hud style
 		Cvar_SetValueQuick (&scr_hudstyle, ((int) q_max (scr_hudstyle.value, 0.f) + (int) HUD_COUNT + dir) % (int) HUD_COUNT);
@@ -4054,6 +4058,10 @@ static void M_Options_DrawItem (int y, int item)
 		M_DrawSlider (x, y, r);
 		break;
 
+	case OPT_SNDQUAL:
+		M_Print (x, y, sndspeed.value == 11025 ? "Original" : "Remastered");
+		break;
+
 	case OPT_MUSICVOL:
 		r = bgmvolume.value;
 		M_DrawSlider (x, y, r);