[PD] maximum of Oscillators

pix pix at test.at
Sun Apr 27 13:28:26 CEST 2003


*advertises*

nqpoly is available at http://pix.test.at/pd/nqpoly/

it's an abstraction that helps instantiating lots of copies of other
abstractions.

clone is an external that does a similar thing, and is available at
http://www.akustische-kunst.de/puredata/clone/

pix.

On Fri, 03 Jan 2003 13:32:43 +0100
thomas gorbach <blackinch at t0.or.at> wrote:

> pix wrote:
> 
> >oh, you mean a test to see how many osc~ objects pd can run
> >simultaneously?
> >
> >depends on your cpu. you could build an nqpoly (or clone) compatible
> >object, so you could easily create many osc~'s and see what the cpu
> >usage is like.
> >
> What you mean with nqpoly or clone.
> Are there existing objects like that ?
> In witch Lib ?
> 
> greetns
> 
> >
> >a note, with nqpoly, you should turn off audio computation while
> >modifying parameters like the number of instances, as it speeds up the
> >garbage collection (?) and recreation of the objects.
> >
> >pix.
> >
> >On Fri, 03 Jan 2003 10:23:34 +0100
> >thomas gorbach <blackinch at t0.or.at> wrote:
> >
> >>David Sabine wrote:
> >>
> >>>Hello,
> >>>
> >>>It appears that oscillators can perform frequencies to 999999 hz and
> >>>then above 1000000 hz - but the accuracy of the wave forms at that
> >>>frequency are questionable as PD converts the numbers to 1.0000+e6
> >etc.>>Certainly, the
> >>>resolution of waves above 999999 hz will be diminished?
> >>>
> >>>This is obviously far beyond the human ear's audio range.
> >>>
> >>>Also, depending on your sample rate, your audio hardware might be
> >>>incapable of producing frequencies above a certain range.  For
> >example,>>the highest frequency that a 44.100 khz sample rate can
> >achieve is>>22.05 khz. Frequencies higher than that are either snipped
> >entirely by>>your audio hardware or appear as very low frequency
> >artefacts.>>
> >>>Hardware that is capable of sampling audio at 192 khz have a maximum
> >>>frequency output of 96000 hz.
> >>>
> >>>Regards,
> >>>Dave Sabine
> >>>
> >>>
> >>>
> >>>-----Original Message-----
> >>>From: pd-list-admin at iem.kug.ac.at
> >[mailto:pd-list-admin at iem.kug.ac.at]>>On Behalf Of thomas gorbach
> >>>Sent: January 3, 2003 2:35 AM
> >>>To: PD-list at iem.kug.ac.at
> >>>Subject: [PD] maximum of Oscillators
> >>>
> >>>hello List
> >>>
> >>>1. question
> >>>is there someone who tried the maximum of oscillators pd can perform
> >?>>
> >>>2. question:
> >>>if i open a patch with an oscil i get this text.
> >>>
> >>>#N canvas 16 64 314 182 10;
> >>>#X obj 66 54 osc~;
> >>>#X obj 109 54 osc~;
> >>>#X obj 66 86 *~ 0.1;
> >>>#X obj 66 121 dac~;
> >>>#X floatatom 66 19 5 0 0 0 - - -;
> >>>#X obj 109 33 + 5;
> >>>#X connect 0 0 2 0;
> >>>#X connect 1 0 2 0;
> >>>#X connect 2 0 3 0;
> >>>#X connect 2 0 3 1;
> >>>#X connect 4 0 0 0;
> >>>#X connect 4 0 5 1;
> >>>#X connect 5 0 1 0;
> >>>
> >>>is there any systematic in the numbering of the boxes ?
> >>>
> >>>Greetns
> >>>TOM
> >>>
> >>>
> >>>
> >>>_______________________________________________
> >>>PD-list mailing list
> >>>PD-list at iem.kug.ac.at
> >>>http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list
> >>>
> >>>
> >>>
> >>Yes this i know.
> >>But i'm looking for the amount of oscil pd can produce.
> >>
> >>greetns
> >>TOM
> >>
> 
> 




More information about the Pd-list mailing list