[PD] square wave object?
Paris Treantafeles
paris at parisgraphics.com
Sat Apr 9 15:14:47 CEST 2005
thanks for the ideas.
i will try out the first three today.
later when i install linux, i will look at the LADSPA plugins.
-p
On Saturday, April 9, 2005, at 02:46 AM, ClaudiusMaximus wrote:
> 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?
>
> Some methods:
>
> 1: You can create a rectangular wave by subtracting two sawtooth waves
> that have different phases, vary the phase difference to change the
> proportion of high and low in the wave, at a particular phase you have
> a square wave.
>
> 2: You can [clip~] a cosine wave, various amounts of pre-clip
> amplification change the "hardness" of the square wave. The Zexy
> library also has [>~].
>
> 3. You can use tables with [tabread~] or [tabread4~] (there is also a
> table osc but I've forgotten its exact name).
>
> Note:
>
> phasor~ is not band-limited, which means aliasing distortion can be
> audible, if you're using it as an audio oscillators. I think there
> are band-limited oscillator LADSPA plugins if you use Linux.
>
>
> _______________________________________________
> PD-list at iem.at mailing list
> UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
More information about the Pd-list
mailing list