Pd-list June 2006

pd-list@lists.iem.at

138 participants
210 discussions

portaudio & other
by nico 11 Jun '06

11 Jun '06

hi all, just for information: is there's a reason why Pd use Portaudio and not Portmidi neither Porttime? thanks, nicolas

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grain patch producing clicks
by Alexandre Matheson 11 Jun '06

11 Jun '06

Greetings list, I've been using pd for about a year now and I am still very nubian as all my dsp skills are self taught therefore very sloppy. I have built this granular synth abstraction that on some settings causes unwanted clicks. Does anybody have any suggestions on how to get rid on them? I am using PD-0.39-2 on tiger with no externals. here is the patch alex

6 8

can't access cvs any more
by Ed Kelly 11 Jun '06

11 Jun '06

Hi list, I tried today to get the latest externals from cvs. I tried hitting return at the password prompt, and I tried the password anonymous, both times the connection was refused. Does anyone know why? or what the password should be? Mac OX 10.3 export CVS_RSH=ssh cvs -d:pserver:anonymous@cvs.sourceforge.net:/cvsroot/pure-data login that's as far as I got! Best, Ed -> -> --> ---> -----> --------> -------------> ---------------------> "Genius is attention to detail" Louis Pasteur Send instant messages to your online friends http://uk.messenger.yahoo.com

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Pd-0.39.2-extended-test4 bug
by Pedro Alvarez 11 Jun '06

11 Jun '06

Dear list, I'm having this trouble with Pd-0.39.2-extended-test4: the Preferences menu sometimes doesn't show the expected Path, Startup, Audio and MIDI options (but sometimes does show them, and a few times crashes when clicking the Preferences menu). I'm using OSX (Tiger 10.4.6). Any advice will be appreciated. Pedro Alvarez albutrus(a)gmail.com http://alvarezpedro.tripod.com __________________________________________________ Correo Yahoo! Espacio para todos tus mensajes, antivirus y antispam Â¡gratis! RegÃstrate ya - http://correo.espanol.yahoo.com/

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jack sync
by we are 11 Jun '06

11 Jun '06

hey crew could someone let me know if it is possible to send start stop and clock info to the jack transport and inturn other jack connected applications? regards tom

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Re: [Pd] Complex audio signals
by Chuckk Hubbard 11 Jun '06

11 Jun '06

I thought of trying something like this, but there are bound to be some compromises, aren't there? I mean, just from the inherent compromises of FFT. Unless, I suppose, you added the new imaginary part to the original untouched real part. And when you say "continuous"... I guess you don't really mean "continuous" as in "not discrete"...? [czero~] is just that, y[n] = x[n] - a[n] * x[n-1], which I take to mean: Y[n] = X[n] - A[n] * X[n-1] And so I'm thinking the real and imaginary parts of A[n] could be anything at all, but I want to try and see. -Chuckk On 6/10/06, Charles Henry <czhenry(a)gmail.com> wrote: > Hi, Chuck > The Hilbert transform does create a continuous complex signal from a > real-valued signal, Y. You take the Hilbert transform as 2*IFFT( X ) > where X is the FFT of Y with the second half of X replaced by zeros. > > This creates what is called the analytic signal, which has an > identical real part to the signal we started with, and an imaginary > signal that matches the real part. There is exactly one imaginary > signal to correspond to a real signal. > > You may find something in the examples about a Hilbert transform (but > I don't trust it). It would be pretty simple to just write another > external for it (using the mayer fft). > > What's czero~ ? Is that a filter with a zero, some place in the > complex (Laplace) domain? > > Chuck > > On 6/10/06, Chuckk Hubbard <badmuthahubbard(a)gmail.com> wrote: > > I'm teaching myself some DSP stuff, using Miller's Techniques, a > > Digital Filters book, and some other references, and I'm loving it. > > I am wondering, though, how one comes up with a complex audio signal > > for use in Pd. I want to experiment with [czero~], and I've also > > wondered where complex signals come from for [fft~]. > > It doesn't seem like it would be possible to create a complex signal > > from a real one, but maybe there are ways to synthesize them? > > > > Thanks. > > -Chuckk > > > > -- > > "Far and away the best prize that life has to offer is the chance to > > work hard at work worth doing." > > -Theodore Roosevelt > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > > -- > Charles Zachary Henry > > anti.dazed.med > Med student who needs a Mickey's > -- "Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -Theodore Roosevelt

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Re: [PD] gem for debian?
by yukio kuroiwa 11 Jun '06

11 Jun '06

because i want to be a hikokomori, but playing with pd instead of video games On Sun, 11 Jun 2006 00:23:12 +0000, "c" <_(a)whats-your.name> said: > On Sat Jun 10, 2006 at 04:04:28PM -0700, yukio kuroiwa wrote: > > hello list, im need to try the pix_multiblob object in linux, is there > > any gem package for debiam that includes it? or do i need to compile gem > > by myself? > > > > > > many thanx > > -- > > yukio kuroiwa > > yukio_kuroiwa(a)fastmail.fm > > chikun, why pretend you are japanese? > > > > > -- > > http://www.fastmail.fm - Or how I learned to stop worrying and > > love email again > > > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list -- yukio kuroiwa yukio_kuroiwa(a)fastmail.fm -- http://www.fastmail.fm - Does exactly what it says on the tin

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tcp connection and raw data
by Federico 10 Jun '06

10 Jun '06

hello list, I have a I/O device that comunicates with a PC via a TCP connection over ethernet. I would like to use puredata to control it, but I need to send raw bytes, and parse responses. for example, a typical init sequence would be: 0xF0 0xF0 0xF0 0x00 0x02 0x00 .... it is possible to do this with pure-data native objects? or externals? or I should write my own external in C, that implements such protocol, and acts as a PD-wrapper for that protocol? thanks -- Federico

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multiple variables
by Kevin McCoy 09 Jun '06

09 Jun '06

Hello, I'm trying to modify the wavetables in the audio examples with a message box that will include the cosinesum argument with 7 variables for its parameters, rather than "set" integers. I've been trying to figure out how to work with more than one variable at a time - how is this accomplished in Pd? I'm essentially trying to define randomly generated variables that I can then use to modify the wavetable. $1 in the message box works fine, but I need more than one variable for the list of parameters in cosinesum. Trying to have $2, $3, $4, etc just gives error messages. Search the archives but maybe I was using the wrong terms. Thanks, Kevin

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gridflow and pd on OS X (again)
by John Berry 09 Jun '06

09 Jun '06

Hello there, I know this issue has been addressed before on the pd-list and gridflow lists but I'm stuck nonetheless. Maybe somebody can help. Using Pd version 0.38.4-extended-RC8 on OS X Tiger (10.4.6), Gridflow 0.8.3 built using recent Ruby 1.9 CVS snapshot. gridflow builds fine for me when I do the following: ./configure --use-compiler=/usr/bin/g++-3.3 --no-fftw MACOSX_DEPLOYMENT_TARGET=10.3 make and I get a gridflow.bundle and gridflow.pd_darwin file as a result. I have copied gridflow.pd_darwin to the extras/gridflow directory, and copied the gridflow.bundle file all over the freakin place, everywhere that Ruby reports it's trying to look for it, with no luck. Running PD fails like so: gridflow.pd_darwin found itself in ./extra/gridflow we are using Ruby version 1.8.4 DIR = "./extra/gridflow" Ruby's path = ["./extra/gridflow/..", "./extra/gridflow", "./extra/ gridflow/optional/rblti", "/sw/lib/ruby/site_ruby/1.8", "/sw/lib/ruby/ site_ruby/1.8/powerpc-darwin", "/sw/lib/ruby/site_ruby", "/sw/lib/ ruby/1.8", "/sw/lib/ruby/1.8/powerpc-darwin", "."] [LoadError] [Failed to load ./extra/gridflow/gridflow.bundle]: ./extra/gridflow/gridflow.bundle (eval):1 ERROR: Cannot load GridFlow-for-Ruby (gridflow.so) Mystery #1: Why is PD reporting Ruby version 1.8.4? Mystery #2: If gridflow.bundle is in one of the locations in the path, why can't GridFlow-for-Ruby be loaded? Help would be very very much appreciated! Best regards, John Berry

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Pd-list June 2006