Update:
most of the numbers in my original post are a bunch of b*llocks, and I've found and fixed the bugs responsible.
I was also wrong - it is completely valid to compute the DFT of a sequence wit ...
I am a competent technical programmer with a keen (but lay) interest in DSP & acoustics. I'm having a spot o' bother calculating diffusion diagrams like like Figures 4 and 5, (on page 4) o ...