volume to 1% is not needed...but you have to uncheck all three checkboxes in DSP settings and maybe set backend to OpenAL (not sure about last one, doesn't hurt, though). And you have to start the game with these settings...don't use save states...
Intel i5-4690k (Devil's Canyon) @ 3.5 GHz (+Scythe Mugen) / Gainward GTX 1070 Phoenix (OC'd) / ASUS Z97 PRO GAMER / 16GB G.Skill DDR3-2400 CL10 TridentX / X-Fi XtremeMusic / Win10 Pro 64bit / Dell S2716DG Monitor / 3x original WiiMote+MotionPlus+Nunchuk