[PD] connecting a samphold and a phasor together

Roman Haefeli reduzierer at yahoo.de
Thu Apr 29 16:26:13 CEST 2010

On Wed, 2010-04-28 at 08:03 -0700, Benoît Fortier wrote:
> First time on this mailing list, so hello everyone! I started using pd
> a couple of month ago and I'm completely addicted.
> Ok I have a simple problem for which I'm looking for the most elegant
> solution.
> I need a phasor (in a looping sampler) which frequency can be changed
> only at the beginning of it's period (when it drops to zero). That's
> usually the kind of problem a samphold can handle very well but when I
> connect a phasor and a samphold directly together I get a "dsp loop
> detected (some tilde objects not scheduled)" error. One solution could
> be to "pipe" the new frequency to the phasor with a delay calculated
> from the previous frequency but I have the feeling there must be a
> more elegant solution to this problem. Anyone got a suggestion? 

In order to avoid recursiveness, you could do it by using [metro] and
[vline~]. Then you have the feature 'update the frequency only
loop-start' for free.


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