[PD] how do you use biquad~ ?
Jer Welter
mrjester at fledge.watson.org
Wed Mar 24 15:40:30 CET 2004
> > I made a patch which uses the RBJ cookbook to calculate LPF coefficients
> > for biquad~ in MSP, which is below. Don't have the time right now to make
> > a PD version, but cyclone should mostly load it.
>
> not out of the box... After import, the adjustments needed are
well, I did say *mostly*.... knew about most of the gotchas you
mentioned, except...
> 3. replace each of the three [/~ 1] with [/~]
why? does adding the argument in PD make it incapable of receiving new
ones or something? Ah- nevermind, I checked the sigbinops help, and it
types the inlet. Ok.....
> forgot to add: the biquad~ in Pd cannot be signal-controlled...
> besides, the list should start from feedback coefs, while msp
> takes them the other way around.
ah, interesting. Did not know that last bit about the order... (Like I
said, no time to do it in PD myself right now). Good to know...
Jer
More information about the Pd-list
mailing list