Old programming trick:
Beef up a patch with wimpy sounding bass by running through an additional
highpass filter, with no modulation and a low cutoff frequency around 50 to
100 Hz. Turn up the resonance to add a bass boost to fatten up your patch.
Dave
>
> 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
> >
> >
> >
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