[PD] square wave object?

Paris Treantafeles paris at parisgraphics.com
Sat Apr 9 14:58:21 CEST 2005

Hi Derek,

Thanks for the leads.
I'm mostly using mac os x but have recently obtained a used dell laptop 
and am planning to put a linux distro on it so i'll keep in mind the 
LADSPA plugins as well.


On Saturday, April 9, 2005, at 06:57  AM, derek holzer wrote:

> Hi Paris,
> Paris Treantafeles wrote:
> > i see that PD has cosine and sawtooth objects.
> > is there a square wave object?
> > or do you use tables to create them?
> If you search the archive, you'll find two very mathematical threads 
> on this under the headers "square wave osc & pwm" and "band limited 
> square wave". The trouble with many of the mathmatical methods of 
> doing this in PD is that it is not anti-aliased, so you will get some 
> aliased frequencies which would not be present in a true square wave.
> If you are on Linux, I would recommend using the [plugin~] object with 
> the BLOP LADSPA plugins. They have a beautiful "analog" sound, can be 
> pulse-width-modulated, and best of all are bandwidth-limited to get 
> rid of the nasty little "birdies".
> good luck,
> d.
> -- 
> derek holzer ::: http://www.umatic.nl
> ---Oblique Strategy # 96:
> "Is the intonation correct?"
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