[sdiy] dsPICs with DACs: linearizing the 12 bit ADCs, external RAM?

[cheater cheater]

>  It is probably overly ambitious to expect usable audio from a 12 bit
>  ADC,

Some studio reverbs use 12 bit DACs
>From the 80s...
still used nowadays, in many self-respecting studios.

> but it one day I will try it out, since it would be so cute to
>  have ADC, DAC and DSP on a single 28 pin *DIP* package which only
>  costs a few dollars.

Definitely.
The question is:
will the output stage be so shit that you won't be able to use it at all?
At least some buffering is needed.

cheers