[sdiy] A/D --> D/A conversion and audio

[Paul Maddox]

Bret,

> I'm curious.  I don't have any circuitry between my audio source and my
A/D
> input.  Does that mean that I'm clipping the negative voltages out of my
> source?  That seems like it could cause some distortion. :-)  This is my
> first time trying to do A/D conversion on audio!!

yep, there's your problem..
The audio signal you're feeding into your ADC is probably bipolar, this
means it goes from +1v down to -1v, if you dont have any offset circuitry
then you'll only be sampling the positive halves of the waveform.


Paul