I don't think I'd call a rectangular window a "damning mistake." Depending upon the application, maybe the energy spread is acceptable (and computationally quic

I don't think I'd call a rectangular window a "damning mistake." Depending upon the application, maybe the energy spread is acceptable (and computationally quicker). For the curious: http://en.wikipedia.org/wiki/Window_function http://en.wikipedia.org/wiki/Window_function