Hi,
Some months ago I did a quick (and cheap) proof-of-concept SFX/Music replacement for Mario 64. It simple traps some sound/music related functions and instead plays up .wav or .mid files instead on some selected sounds/sequences.
Even with a much more complex approach, there would be a lot of trouble mixing in-game sounds with external sounds, but still it's a try
.
Some months ago I did a quick (and cheap) proof-of-concept SFX/Music replacement for Mario 64. It simple traps some sound/music related functions and instead plays up .wav or .mid files instead on some selected sounds/sequences.
Even with a much more complex approach, there would be a lot of trouble mixing in-game sounds with external sounds, but still it's a try