(06-07-2014, 05:10 AM)JMC47 Wrote: You're completely mistaken. The menus are just as slow in 3.5, it's just that audio is poorly rendered in an asynchronous fashion. That means even though the game is going slow, the audio is going full speed. That causes issues in games, and by 4.0 it had been fixed. Now, because the game is slowing down, the audio slows down too. It makes sense that if the game isn't running full speed, the sound wouldn't either.
To answer your question: The way the videos are rendered on the menu items in MKWii is very intensive to emulate. It's a lot harder than the rest of the game afaik.
is there a way to get sound asynchronous without the bad noise in 4.0+ ?