On Thu, Jun 21, 2012 at 9:28 AM, Matt Barber <brbrof...@gmail.com> wrote: > I'm not sure how [ipoke~] > does what it does, but I'd want to leave the idea of several > approaches open (maybe along the lines outlined in this thread) to see > what will work best for Pd. > > Matt
One thing to consider is the possibility of a one-sided (non-symmetric) function instead of a strict interpolator. Using a symmetric interpolator adds some latency--to band-limit the incoming signal with a symmetric interpolator, your samples need to extend into the future. Now, if you take a non-symmetric function, what's the worst that happens? You get up to pi/4 radians of phase shift in the passband and up to pi/2 radians in the stopband. It jworks more like a band-limited estimator than an interpolator. If you condition the input signal well, then filling the table consecutively might work and be fast. Chuck _______________________________________________ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list