>
> True. I hadn't thought of the extra resonance peak. But you could
> replicate
> the separate cutoff frequencies, couldn't you? There is a
> specific interval
> between cutoff frequencies at any given point in time (width) and by
> carefully choosing the center point (i.e. bandpass frequency) you could
> probably come close; but given what Dave pointed out, it really wouldn't
> sound the same at all unless you kept the filters wide open in all cases.
>
> Interesting. This is the kind of stuff I love to think about but shouldn't
> be thinking about while at work! :)
>
> > -----Original Message-----
> > From: Dave Bradley [mailto:daveb@...]
> > Sent: Wednesday, April 05, 2000 11:48 AM
> > To: motm@egroups.com
> > Subject: RE: [motm] Purchasing decisions
> >
> >
> > With a resonant highpass and resonant lowpass hooked in series,
> you get 2
> > resonant peaks at the corners, instead of 1 in the center for a single
> > bandpass. Also, you can control the cutoffs separately, like have an LFO
> > modulating the HP but an envelope modulating the LP.
> >
> > Plus, if you hook the 2 filters in parallel, then you can get 12 db/oct
> > notch filtering, doubly resonant peaks if both are set to NF,
> etc. Just a
> > lot more flexible.
> >
> > Dave
> >
> > > -----Original Message-----
> > > From: Brousseau, Paul E (Paul) [mailto:noise@...]
> > > Sent: Wednesday, April 05, 2000 12:35 PM
> > > To: 'motm@egroups.com'
> > > Subject: RE: [motm] Purchasing decisions
> > >
> > >
> > > I'm not quite clear... how is this different from a band-pass
> > filter with
> > > modulated Q / width and frequency? Not that it wouldn't be
> > > really cool, I'm
> > > just wondering if I'm missing a nuance?
> > >
> > > --PBr
> >
> >
> >
> > ------------------------------------------------------------------------
> > LOW RATE, NO WAIT!
> > Get a NextCard Visa, in 30 seconds! Get rates
> > as low as 2.9% Intro or 9.9% Fixed APR and no hidden fees.
> > Learn more at:
> > http://click.egroups.com/1/937/3/_/529958/_/954957057/
> > ------------------------------------------------------------------------
> >
> >
>
>
> ------------------------------------------------------------------------
> LOW RATE, NO WAIT!
> Get a NextCard Visa, in 30 seconds! Get rates
> as low as 2.9% Intro or 9.9% Fixed APR and no hidden fees.
> Learn more at:
> http://click.egroups.com/1/937/3/_/529958/_/954957417/
> ------------------------------------------------------------------------
>
>