[sdiy] Filter banks & variability

[Ryan Williams]

Tim Ressel wrote:
  > I'm thinking this is one of those times DSP can come
> to the rescue. There is a way to use FFTs to do
> filtering. That way you just draw the filter shape you
> want, and presto! 
> 
> I wonder if PCs are now fast enough to be able to do
> DSP stuff in real time using a sound card for I/O? 
> 
> Hmmm.....

maybe you could do it with something like this:
http://www.opencores.org/projects.cgi/web/fac2222m/overview
not made yet, but it sure looks interesting.

--Ryan