On Wed, 2010-09-29 at 15:50 +0200, fons@xxxxxxxxxxxxxxx wrote: > On Wed, Sep 29, 2010 at 06:11:36AM -0700, Patrick Shirkey wrote: > > > Otherwise in the interests of keeping a relatively convivial tone I would > > like to thank you for spotting the flaws that you have found. > > Here's one more: > > <http://www.kokkinizita.net/linuxaudio/jamin-iir-xover.png> > > This the frequency response (no EQ or whatever) using the IIR crossover, > set to 500 Hz and 3 kHz. Those 'qualitatively more experienced DSP > engineers' don't apparently have the experience to perform even the > simplest of tests. Nor do they know that the type of filter used will > produce antiphase signals at the crossover frequency. > > (Hint: invert the mid band). > Fons, If there is a problem, and you know what it is, and you know how to fix it, why don't you just fix it? I, for one, bow to your superior knowledge of DSP - I know jack shit about it (and jack left town). Steve Harris is apparently too busy to take a look at the problem and AFAIK Jack O'Quin is the real-time guru. All I am is the graphics code monkey ;-) How about taking a swing at it? V/R, Jan _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user