[PD] band limited (anti-alias) techniques

Matt Barber brbrofsvl at gmail.com
Tue Nov 24 03:34:43 CET 2015


There's also the band-limited pulse wave (Dirichlet kernel oscillator),
like gbuzz in csound. See attached.

On Mon, Nov 23, 2015 at 9:07 PM, Christof Ressi <christof.ressi at gmx.at>
wrote:

> I can think of at least two:
>
> 1) wavetables filled with sinesum/cosinesum (possibly blending between
> different wavetables according to frequency --> many partials for low
> pitches, few partials for high pitches)
> 2) transition tables (check out 3.audio.examples/J09.bandlimited)
>
>
>
> Gesendet: Dienstag, 24. November 2015 um 02:30 Uhr
> Von: "Alexandre Torres Porres" <porres at gmail.com>
> An: "pd-list at lists.iem.at" <pd-list at lists.iem.at>
> Betreff: [PD] band limited (anti-alias) techniques
>
> hi, I know about the oversampling + filtering technique, which you can
> patch it, but what are other techniques for creating band limited signals
> you people know (not only those you could do it as a pd patch)? Yes, I'm
> thinking about oscillators mostly.
>
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