[PD] Help - filters & band limited oscillators!

Peter Plessas plessas at mur.at
Wed Mar 14 10:35:43 CET 2007

Hi David,

See in the audio help patches: J07.oversampling.pd for bandlimited 
sawtooth oscillation.


David Powers wrote:
> Hello everyone,
> I tried google and it was no help, and the server for the list archive
> seems to be down temporarily.
> Anyway, I'm giving a free (as in free beer) workshop in Chicago in
> about 16 hours, on the basics of digital synthesis. I have decided to
> use Pure Data to give my presentation, and use mostly non-commercial
> software.
> However, I'm still missing the following for demonstrating "proper"
> subtractive synthesis:
> 1. Good, out of the box "analog-sounding" filters. I'm using [moog~]
> right now, but I'm not all that satisfied with the sound compared to
> the filters in my favorite VST's ...
> 2. Band-limited square and sawtooth waveforms.
> For teaching purposes PD is great, and ideal for my demonstrations.
> But as it is, I'm having to use VST's within PD in order to
> demonstrate a "nice sounding" synth. It would be nice to show that PD
> can do it without using stuff built in Steinberg's format. That would
> also let the Mac people replicate my work, if they are interested.
> Note, nobody in the workshop has ever tried Linux, except me, so Linux
> plugins are not helpful in this case.
> I will post my patches after I give the workshop, though they are
> nothing fancy ... just basic:
> sequencer - oscillator - vca - filter. Good for demoing though, I'm
> starting with additive first, then subtractive.
> ~David
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