[PD] going from signals to events?

Ali Momeni batchku at gmail.com
Sun Sep 3 17:52:59 CEST 2017

Thanks everyone, super helpful.

@peter:  it seems to me that `max~` and `min~` take signals in and put
signals out.  How would you use them to go from signal to event?

@liam:  yes!  `threshold~` is what i was looking for; i'm always up for
doing the extra work to stick with vanilla.

@claude: deep.  i'll look at the expr~ example, very helpful reference.

On Sun, Sep 3, 2017 at 11:27 AM, Claude Heiland-Allen <claude at mathr.co.uk>

> Hi Ali,
> On 2017-09-03 15:36, Ali Momeni wrote:
>> what are your favorite objects for going from signals to events?
>> specifically, i'd like to make a sample accurate / audio-driven
>> sequencer.
> Note that signal-to-event in Pd's architecture necessarily means the
> events occur up to 1 DSP block later than intended, and possibly not
> scheduled on Pd's logical clock (I haven't checked the source of eg
> [threshold~] to see if it schedules with constant 1-block latency vs
> variable as-soon-as-possible on the next block boundary latency, but I
> suspect the latter). So you'll get late events with up to 1.5ms jitter,
> with default settings.
> If you want a sample-accurate audio-driven sequencer, you really need to
> keep everything in the signal domain.  See for example the 0xA expr~
> tutorials at https://archive.bleu255.com/0xA/
> Claude
> --
> https://mathr.co.uk
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