On Mon, 31 Jan 2005 14:43:55 +1100 Erik de Castro Lopo <erikd-lad@xxxxxxxxxxxxx> wrote: > On Sun, 30 Jan 2005 21:22:02 -0600 > "Reuben Martin" <MartinR@xxxxxxx> wrote: > > > Forgive my ignorance, but is there any significant difference in the > > sound produced by this complex convolve and BruteFIR's half-complex > > convolve? (I'm speaking in a theoretical sense rather than comparing the > > actual implementations.) > > There shouldn't be. There are however significant savings (approx 50%) in > computation with the half complex version. Yes, i adopted this scheme. I use the r2c and c2r versions though. Only difference is how they store the values (they transfor N real input values into N/2+1 complex outputs. This is 1 more than the r2hc versions, but i can access memory in forward direction in this case w/o reordering). Flo -- Palimm Palimm! http://affenbande.org/~tapas/