I have recorded several voices for my level, but when they're suppose to play, all you can hear from the speakers is a faint click. Do the .wav files have to be in a certian format? ex: when you save you can set it to something like pcm:25,000mhz 8bit or something like that. Or mabye its a problem with the cog. I've tried several different cog lines but none have worked and i've recieved the same results.