FPGAs are pretty amazing for all kinds of signal processing, and that's what I use them for pretty extensively in my hobbies, but I don't really know how preval

FPGAs are pretty amazing for all kinds of signal processing, and that's what I use them for pretty extensively in my hobbies, but I don't really know how prevalent that is in the Maker community (especially beyond a level where you could use DSPs instead). Maybe for the SDR crowd?