> What I'm hoping for NES is to implement an ability to use your actual microphone to > take out Pol's voice from Zelda which was taken out from the US Version.
I've always kind of wondered how that mic worked. Was it a simple on/off like a button, or could the system actually get audio from it? It seems like a real A/D converter would have been a frivolous expense, but maybe that was part of the reason it got cut?