[PD] oscillators (osc~ / cycle~) not working well in FM?

Alexandre Torres Porres porres at gmail.com
Wed Nov 25 11:27:33 CET 2015


I'd be really surprised if it'd "break" - that's a strong term.

Alter the sound a bit, maybe, sure, to a not desirable effect, maybe yes or
maybe just not at all...

Now, conversely... any Frequency Modulation patch is really broken because
it doesn't really work as it should!

Well, in the case of really wanting an imperfect oscillator, as has been
said by Matt, it'd not be that hard to add microscopic DC to achieve such
or whatever effect (maybe even more DC to add more noise/chaos). It's
actually a common thing, I use that technique all the time... I add
randomness/noise, offsets, whatever... if I wanna make it less perfect.

I really don't see the point of keeping a flawed code for a deterministic
oscillator/generator that is meant to be more accurate than that in
computer music systems, such as it is the case with Max and SuperCollider,
to mention a couple of those - I could go on and test/mention others
(Csound/Chuck) and also digital systems (Reaktor/whatever).

I fail to see the reason why Pd would have to be the odd one out - that one
which don't really have a nice and accurate oscillator if you need it. The
one you can't really build a nice and stable FM patch, because, well, it
just won't sit still.

If dirtiness and imperfect is your secret spice in building beautiful and
lively patches, you can still make it so, and there are several ways to do
this... but preventing an oscillator from being accurate and in a
completely arbitrary way at the expense of preventing a simple and
common/regular FM patch to be built seems a bit too nonsensical IMO...

I guess the best way to answer this question from Jonathan is just saying
and showing you have a patch that really depends on it.

On the other hand, and on the other corner of the ring, there are FM
patches which would actually rely on an improvement/fix of [osc~]. So, even
if some such patches pop up, well, c'mon... nice FM patches seems a
priority... because, again, you can just add, if you want, any dirtiness at
your own taste in DC Offset, noisiness, whatever, and you can still restore
or find out a new dimension to explore in your patches.

cheers

2015-11-25 7:37 GMT-02:00 martin brinkmann <mnb at martin-brinkmann.de>:

> On 24/11/15 18:39, Jonathan Wilkes via Pd-list wrote:
> > Does anyone have an example of a working patch that depends on the
> current behavior?
>
> i would not be surprised if changing osc~ would break (or at least alter
> the sound of) many patches which rely on fm and feedback etc.
>
> bis denn!
>         martin
>
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