Decisions, decisions, decisions! With all these filters to choose from, how do you know which to use? This chapter is a head-to-head competition between filters; we'll select champions fromeach side and let them fight it out. In the first match,digital filters are pitted againstanalogfilters to see which technology is best. In the second round, the windowed-sinc is matchedagainst the Chebyshev to find the king of thefrequency domain filters. In the final battle, themoving average fights the single pole filter for thetime domain championship. Enough talk; letthe competition begin!