Am Sonntag, 04.01.04 um 03:30 Uhr schrieb phillip m gallo: [...] > Next i would adjust the audio input level to use every bit of the 10 > bit > input conversion range you have. [...] Is there a sample&hold before the ADC? If not, it's no surprise that it sounds nasty. But perhaps there's one built into the microcontoller. Ingo