[PD] sigmund~

michael noble looplog at gmail.com
Fri Sep 30 05:26:27 CEST 2011

For the second part of your question I guess Miller's book would be a good
place to start, given that it also provides examples in pd.


For a more advanced source, though not an online resource, the Musimathics
books look thorough and come highly recommended.


2011/9/30 Benoît Fortier <benoitfortier at yahoo.ca>

> Hello all,
> I'm using the sigmund~ object to get amplitude and pitch information for
> the loudest peaks of a signal (see the sinusoid-tracking help patch, which
> can be found in the sigmund~ help patch). Out of that information, I want to
> create, let's say, 5 midi notes corresponding to the 5 loudest peaks of the
> signal. How would you transform the peak amplitude outputs of sigmund, which
> are linear, into midi velocities in order to make those 5 notes sound with
> the same relative amplitude that they have in the analysed signal?
> It might be a stupid question but what are those linear peak amplitude
> values exactly? Do they have any unit?
> More generally, can you give me any good reference, preferably online, that
> explain in details the physic and mathematic behind sound amplitude? I
> manage to work many things out by myself but i have to admit that my actual
> understanding of it is a little bit superficial. By the way, I have a good
> background in physic and mathematic so don't hesitate to suggest me more
> advanced readings.
> Thank you! I've learned a lot from you already just by reading the list.
> Benoît
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