Hello everybody,
There is a load-order issue in [polyWaveSynth] (the synthesizer
abstraction I announced here the other day) that may cause minor
irritation -- it is nothing serious, the worst that will happen is that
some error messages like this may sully your console during initialization:
error tabread~: te_sine: no such array
...the synthesizer works perfectly fine after this, and there are no
harmful side-effects -- but it's a bit annoying.
From what I can tell, this happens when DSP is already running, and the
wave tables, which are wrapped in Frank's loadbang-firing-[singleton],
are not initialized (or at least not finished initializing) before the
[tabread~] oscillators start. The original patch had the singleton
object way down in the patch file, which made the error message
occurrence more likely. (As an aside: is there a best-practice that
completely avoids this sort of load-order issue?)
To minimize the possibility of this happening, I've edited
[polyWaveSynth] so that the wave tables are loaded and initialized as
early as possible (I did this by selecting all the objects in
[polyWaveSynth] with cmd-A, then I de-selected the [lb_singleton ETABLES
erbeTables] object; finally I did a cut-paste - this makes the
[lb-singleton ...] object be the first object loaded). If you want to
be absolutely sure it doesn't happen, don't switch on DSP until after
[polyWaveSynth] is completely loaded, but it shouldn't be necessary to
worry about this.
The updated patch is available in its archive here:
http://www.pkstonemusic.com/code/polyWaveSynth.tgz . I've also attached
polyWaveSynth.pd which is the only diff, so you don't need to get the
whole archive if you already have it.
(web page for polyWaveSynth:
http://www.pkstonemusic.com/polyWaveSynth.html -- hey, is *anybody*
using this? I see it being downloaded, but I haven't heard any
feedback, except from Frank -- is it even working for anybody else??? )
Phil Stone
pkstonemusic.com
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#X text 278 416 Convert slider (0.0 - 1.0) to freq. \,;
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#X text 527 389 Convert saved freq. (ratio or absolute);
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#X text 392 151 Because of the way modFreq is overloaded \, the ratio
switch must be set before modFreq changes \, therefore it has to occur
later in this subpatch - so don't change the order of these objects
if you can help it (or if you do \, make sure the ratio stuff ends
up later in the patch file than modFreq -- sorry I can't think of a
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#X text 340 40 s mySynth-atk1 20;
#X text 315 12 Messages are sent to these parameters -- from UI controls
by default \, but potentially \, directly \, as in:;
#X text 313 57 Note that they will only be sent to [polyWaveVoice~]s
on the next attack.;
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#X text 462 548 Phil Stone - http://pkstonemusic.com;
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