On Sat, Feb 13, 2010 at 10:16:24PM -0500, Monty Montgomery wrote: > I'm aware of how to construct digital IIR filters :-) I was hoping > you had a URL to a nice official analog topology. The specific > implementation details matter. I'll make a nice drawing later. Right now I have to finish my LAC paper !! > > The channel EQ you'll find on most digital mixers is > > not linear-phase at all, nor acausal. > > OK. Time to become incredibly overspecific: > > Every digital EQ implementation I'm aware of for Linux is linear > phase. I wrote a few of 'em. The only examples I know of are the FFT based EQ in Jamin, and the octave band filters that come with jconvolver. Do you have some other examples ? > Negative delays are perfectly possible in digital. Well, if you > ignore the wallclock (assume a global system latency, and a local > negative latency within the system). It's just a semantic/terminology > argument at this point. That's why I wrote 'operating in real time'. Ciao, -- FA O tu, che porte, correndo si ? E guerra e morte ! _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
