Dear PD-ers,
I have a question on a topic of which I don’t even remember the name. The topic
deals with the task of saving cpu by sensing whether a synthesizer is not
„active“ anymore, that is, is not generating sound anymore.
Maybe it is a good idea to explain my patches’ overall layout:
The main patch is a matrix-sequencer inspired by the old school Tenori-On
Hardware-Instrument.
It consists of a 8x8 button matrix made out of [toggle]s. By clicking a
[toggle], a synthesizer will play a certain pitch whenever the sequencer has
reached the specific position of that [toggle]. The user can choose one out of
five synthesizers which is used to play that certain note in order to have some
variety of the sound output.
That means that I have five synthesizers sitting in a subpatch waiting for
triggers and four of them are actually doing nothing, even I a trigger comes
in. How could I detect their laziness and switch those four synthesizers off
when they are doing nothing.
The same question goes for a variety of effects which are wired in series and
take at their vey beginning the dry synthesizer-signal, modify it and give it
to the main out.
Now the story goes on:
This 8x8-matrix that I just described, with it’s varying synthesizers and
effects are actually cloned using [clone] and by that offering the user to
switch between a bank of (let’s say) ten of those 8x8-matrices. By this, the
user can have ten different sequencer-matrices running, playing different
instruments through different effects and hence create some
multi-instrument-fun.
But here it also becomes very cpu-heavy:
1 matrix = 5 synthesizers and 3 effects
10 matrices = 50 synthesizers and 30 effects.
My computer (MacBook Pro 2011, 16 GB RAM, SSD) currently can only handle 4
matrices, with five it starts crackling and lagging a lot. But to be honest:
Why shouldn’t it? ;) For now I did not take care of muting or switching the
instruments off when their idle.
I am happy about any help that you have! Thank you very much.
Best regards, Jakob
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