It's a hack so it probably isn't correct. It does make some games playable that are otherwise very noisy.
Muramasa: loud scratching/hissing in the music at the title screen and throughout the game goes away completely
Xenoblade: removes loud noise from sounds in game (I think adpcm specifically)
Muramasa: loud scratching/hissing in the music at the title screen and throughout the game goes away completely
Xenoblade: removes loud noise from sounds in game (I think adpcm specifically)