I use AKAIO 1.4.1 REPACK firmware on my Acekard 2i. I'm trying to run the My Japanese Coach ROM. Whenever I use the voice function, it's the weirdest thing, the playback of my voice saying the japanese words is double the speed and sounds like a chipmunk. The microphone works perfectly fine in Nintendogs, and in the official DSi sound recorder, it works great too. What's going on? Should I try a replacement ROM?