Hi, im tracking the amplitude of my signal with ~env and i need to send one trigger when my ~env gives 0 , the problem is that if i do:
~env | select 0
It send a lot of triggers when my ~env is in 0 and i need to send just one trigger.
any idea how can i send only one trigger ?
thanks
R,
On Mon, 2014-06-09 at 19:53 -0700, Ronni Montoya via Pd-list wrote:
Hi, im tracking the amplitude of my signal with ~env and i need to send one trigger when my ~env gives 0 , the problem is that if i do:
~env | select 0
It send a lot of triggers when my ~env is in 0 and i need to send just one trigger.
any idea how can i send only one trigger ?
There is [change] which only lets changing values pass. Something like this should work:
[env~ ] | [change] | [select 0]
Roman
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On 2014-06-10 08:30, Roman Haefeli via Pd-list wrote:
On Mon, 2014-06-09 at 19:53 -0700, Ronni Montoya via Pd-list wrote:
Hi, im tracking the amplitude of my signal with ~env and i need to send one trigger when my ~env gives 0 , the problem is that if i do:
~env | select 0
It send a lot of triggers when my ~env is in 0 and i need to send just one trigger.
any idea how can i send only one trigger ?
There is [change] which only lets changing values pass. Something like this should work:
[env~ ] | [change] | [select 0]
though in practice you might want to add some additional filtering before [change]. [env~] will give you loads of slightly different values, even when you feed it a rather "constant" signal like a sine: e.g.: [osc~ 440] | [env~] | [change] | [print]
i'd suggest doing something like
| [env~] | [> 30] | [change] |
which will give you 0 or 1, instead of the amplitude.
fgmasdr IOhannes
There is a rest detection example in the Pd-help patches which you may want to look at (depending on what exactly is it you're trying to achieve).
On Tue, 10 Jun 2014 09:39:27 +0200, IOhannes m zmoelnig via Pd-list wrote
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On 2014-06-10 08:30, Roman Haefeli via Pd-list wrote:
On Mon, 2014-06-09 at 19:53 -0700, Ronni Montoya via Pd-list wrote:
Hi, im tracking the amplitude of my signal with ~env and i need to send one trigger when my ~env gives 0 , the problem is that if i do:
~env | select 0
It send a lot of triggers when my ~env is in 0 and i need to send just one trigger.
any idea how can i send only one trigger ?
There is [change] which only lets changing values pass. Something like this should work:
[env~ ] | [change] | [select 0]
though in practice you might want to add some additional filtering before [change]. [env~] will give you loads of slightly different values, even when you feed it a rather "constant" signal like a sine: e.g.: [osc~ 440] | [env~] | [change] | [print]
i'd suggest doing something like
| [env~] | [> 30] | [change] |
which will give you 0 or 1, instead of the amplitude.
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