I read on the official site that no$gba is suppose to have full sound support but for some reason all I get is nothing more then a buch of noise with...some sound at times. If you want to hear what I'm talking about you can check out the videos I posted on YouTube of a couple of games that I was testing. The only time I get good sound with any game is on the opening FMV of Final Fantasy III (of course that's about all any NDS emulator will play of that game).
My YouTube Channel