On 2010-05-06 16:31, Mark Knecht wrote: > Does anyone possibly know of any tools in Open Source for exploring > DSP filter design? Something that might allow me to write equations, > stimulate the filter, see the results in a GUI?
This probably doesn't answer your question completely (haven't tried it) but...: http://www.brorson.com/gEDA/SPICE/intro.html Best regards Peter K