[PD] maximum "control rate" in Pd

[Cyrille Henry]

hello,

i don't understand your patch.

using [timer], a delay 0 will give a 0 delay...
logical time will always be consistent.


cheers
c


Le 12/03/2015 15:41, Alexandre Torres Porres a écrit :
> ok, so the metro at 1ms is because I'm using extended.
>
> as for the minimum time pd can process and send data, what's the final word on it?
>
> something like 1.4013e-45 ms?
>
> cause that's a lot more than an audio rate at 44.1khz :)
>
> I thought there was a limit control rate that was below the audio rate, but curiously it can go over.
>
> 1 sample at 44.1khz gives us 0.0226757 ms, and I was able to send bangs at 1e-06 ms, according to [timer]
>
> check my patch attached, based on the one that was sent here on the thread.
>
> thanks
>
> 2015-03-12 10:04 GMT-03:00 Cyrille Henry <ch at chnry.net <mailto:ch at chnry.net>>:
>
>     hello,
>
>     Le 12/03/2015 10:12, Roman Haefeli a écrit :
>
>         On Thu, 2015-03-12 at 09:17 +0100, Cyrille Henry wrote:
>
>             hello
>
>             this patch show the same behaviors for a delay based metro and a [metro].
>             (both can do faster than 1ms period)
>
>
>         You're right. More recent versions of Pd (>= 0.45?) have an updated
>         [metro] that supports many more ways to specify time and the restriction
>         was lowered. However, the [metro] in any available version of
>         Pd-extended is still limited to 1ms.
>
>     sorry, i was not aware of this old limitation.
>
>
>         I don't understand why you use [realtime] and not [timer] to illustrate
>         your point. [timer] gives you consistent values (logical time) while
>         [realtime] is very jittery and shows just some random value depending on
>         the current cpu usage and probably other factors. When you render a
>         soundfile, the logical time is actually the one that matters.
>
>     yes, for things that stay in pd, logical time is better.
>     but if you want to send midi note, [realtime] is more related to what happens.
>     it's just the way i understand the original question.
>
>     cheers
>     c
>
>
>
>         Roman
>
>
>
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