Hi Mike, Roman,
thanks for the input! Of course I thought it would be simpler, but I did
keep in mind this block boundary problem. [edge~] is a good suggestion,
at least that's the kind of object I was looking for. I'll have a look
at your forum patch tomorrow Mike (assuming I can find my login for the
forum). The block issue, well that's another story...
best!
Derek
Mike Moser-Booth wrote:
cyclone's [edge~] is useful for converting zero crossing to bangs:
[inlet~]
|
[expr~ $v1<0]
|
[edge~]
The only downside is that it quantizes to the end of the block, but then
again, so does [tabwrite~]. I actually attempted doing one with edge and
posted it on the forum, if you're interested.
http://puredata.hurleur.com/viewtopic.php?pid=14984#p14984
.mmb
Derek Holzer wrote:
I'm trying to put together a simple oscilloscope abstraction that
imitates the "trigger" function of a real one, so that the waveform
can be seen from its starting point. In other words, a [tabwrite~]
would graph on the upward swing of a zero crossing. To do this, I'd
like to know if there is an audio object which gives a bang at a zero
crossing, or perhaps even only at a crossing from the negative to the
positive domain of the signal. I've thought of something with [expr~
$v1 < 0], but what comes out is still in the audio domain and isn't
the bang which [tabwrite~] needs.
Other suggestions welcome.
best!
Derek
--
::: derek holzer ::: http://blog.myspace.com/macumbista :::
http://www.vimeo.com/macumbista :::
---Oblique Strategy # 101:
"It is simply a matter of work"
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