Then why not just focus on NTSC-J? If it's effectively the same, and the mod can be applied to NTSC-U later if such a solution is found, it seems like pointless labor.
Yes, this was what I was talking about. The OP seems to want to mod JP audio over EN audio, which Japanese version of the game can switch to as is. So I was wondering why not just NTSC-U to auto-default to JP region instead to get to effectively...
What a strange project. The Japanese version of the game already includes both voice-over options, and both text options. I've played Other M with Japanese audio using it and it worked flawlessly. Why not just integrate the new translation into...