Jim Lesurf wrote:

What kind of spec? If you just want 'basic audio' then a good soundcard and
some FFT routines, etc, may do the trick.

Im hoping for around 1-2MHz of bandwidth, the more the merrier. 8 bit
res is acceptable. 16 would be well smart ;-)

As to soundcards... see my website - I've written software to do just
that ;-)