[sdiy] More pic digital audio questions

[William Berzinskas]

Hey everybody.. 

Happy Turkey Day, Gobble Gobble.. 
anywayz

Still toying with the idea of doing some dig audio with a pic..

Seems all the ADC's i can use are unipolar.. so i'm guessing i'd need some kind of preamp-ish device to adjust gain and offset to meet those needs..  anyone got a schematic for this?  is this even right?  
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