On Sat, Jan 15, 2011 at 06:19:33PM +0000, d...@york.ac.uk wrote: > problem with Fon's code is that the filter poles are pre-optimised > for a limited range of sample rates (44.1/88.2 and 48/96) and I'd > like more even more choice.
192 kHz ??? > It shows a little bit more phase > difference variance at the higher frequencies than the CSound > implementation but unless I am missing something it is only a four > pole per leg implementation, as opposed to CSounds (and Geoffrey's) > 6 poles per leg. Yes, 2 second order sections in series. > In both cases, however, the low end (under a > hundred Hz) becomes problematic at the higher sampling rates, Are you sure ? I measure +/- 4 degrees error in the range 20Hz .. 20kHz, even at 96 kHz. Below 20Hz it gets worse of course. Ciao, -- FA There are three of them, and Alleline. _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
