sawtooth Re: [PD] (no subject)

guenter geiger geiger at
Thu Nov 27 11:42:11 CET 2003

On Wed, 26 Nov 2003, quelqu'un d'autre wrote:
> Hi!
>     I am building a synth with pd and want to use a triangle wave oscillator
> with symmetry modulation.
> I know how to make a triangle wave oscillator:
> phasor~
> cliped~ at 0.5
> multiplied by two
> and substracted by the original phasor signal
> but i cannot figure how to change its symmetry without using an infinite
> variable to get a perfect sawtooth waveshape.

Make it an imperfect sawtooth, then. It will sound very digital anyhow,
due to the aliasing you introduce by a perfect sawtooth.


> If someone could help me, i
> would want an explanation for doing that oscillator. I am not an engineer,
> so a mathematical equation would not help me a lot.
> Thanks for any help.
>                                 Dany Lebel
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