Pd-list April 2006

pd-list@lists.iem.at

136 participants
232 discussions

acid
by Chris McCormick 14 Aug '14

14 Aug '14

Hi, Another question in a very general vein. I asked this on the Csound list a while back (when i was using csound) with good results. I'm trying to produce an acidy type sound (eg 303) and having trouble as my current saw-tooth-through-a-vcf just sounds pretty wimpy. Any ideas on how to fatten it up a bit? I'm not looking for a perfect reproduction of the 303 sound, just a nice acid sound. Hints? Tips? Is there some place where people post interesting Pd patches they've created for others to download at try out? Should there be? Regards, Chris. ______________________________________________________ Chris McCormick - Systems Developer - PerthWeb Pty Ltd Internet Solutions for your business! Level 9/105 St George's Tc - Perth - Western Australia Ph: (08) 9226 1366 Fax: (08) 9226 1375 Visit Perth online! : www.perthweb.com.au PGP Key = http://www.perthweb.com.au/~chris/public.txt

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granular synthesis
by hard off 21 Aug '09

21 Aug '09

anyone wanna share some granular synth patches???? i'm gonna make one, but it'd be good to have some points of reference. come on!

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Re: py crash WAS Re: [PD-dev] Re: file library WAS: [folder_list]
by Hans-Christoph Steiner 19 Jun '08

19 Jun '08

I'd like to help, but I am not going to have time. I'll be on tour starting Sat. for two months. Any flext people want to try to get flext builds in Pd-extended? There could also be a Pd-devel-extended without too much work. Jamie had talked about it in the past. .hc On Apr 11, 2006, at 5:24 AM, Thomas Grill wrote: > > Am 11.04.2006 um 00:52 schrieb Hans-Christoph Steiner: > >> >> All are fresh downloads of the binaries from your site. This >> happens with Pd-0.38.4-extended, Pd-0.39.2-extended-test1, and the >> new build with fresh downloads. > > The binaries are not up to date and i'm sure that the relevant > fixes have been afterwards. Please try the cvs versions. Building > the stuff is a cinch. > >> >> Have you tried with Pd-extented and that org.puredata.pd.plist >> file? I have reproduced this on 3 or 4 Mac OS X machines by >> installing Pd-extended, installing the included >> org.puredata.pd.list, starting Pd and loading a [py] or [pool] >> object. >> > > Yes, I tried and i will do once again when i find the time. Please > note that I don't use the Pd-extended build (because i'm rather > using Pd-devel) so i can't follow the problems associated with that. > >> Mac OS X doesn't catch the crash, so it doesn't pop up the crash >> dump. Any other way to get it? > > What about the proposals Jamie made? > > greetings, > Thomas > > > > Thomas Grill > http://grrrr.org > ________________________________________________________________________ ____ ¡El pueblo unido jamás será vencido!

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Re: [PD] Connection with sensors - new devices?
by Koray Tahiroglu 15 May '07

15 May '07

I've been using arduino with PD heavily since the beginning of December, I am happy with the ready sensor connections as well as self made sensors. And Arduino is an open source microcontroller hardware, http://www.arduino.cc/ cheers, Koray. On Dec 20, 2005, at 7:55 PM, pd-list-request(a)iem.at wrote: > > There are also the arduino and wiring boards that talk nicely with > many progs. > ----------------- M.Koray Tahiroglu Media Lab, University of Art and Design Helsinki, TaiK Hameentie 135C 00560 Helsinki Finland http://mlab.uiah.fi/~korayt/ http://purenoise.uiah.fi:8000/ tel: +358 40 754 8449 fax: +358 9 75630 555

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data structures - color?
by João Miguel Pais 08 Sep '06

08 Sep '06

I just made a patch to see which colors are available in the data structures. it seems that they're not the same as in the normal pd scheme, and that they repeat themselves. is it normal that colors 0 == 100 == 200 == 300, 400 == 500 and 600 == 700? wouldn't it be useful for all color schemes to be synchronised? JoÃ£o -- Lugostr. 14 79100 Freiburg i. Br. Deutschland +49 (0)761 7074997 jmmmpais(a)googlemail.com http://www.puredata.org/Members/jmmmp

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PDDP meeting?
by Hans-Christoph Steiner 26 Aug '06

26 Aug '06

So I have been sorting thru all of the tutorial/workshop materials that I could find, and I have been cranking out an intro tutorial, plus some sketches for the sound, visual, physical, and networking tutorials. At this point, I would love some feedback to see if people think that the work I have done is in the right direction. Anyone up for PDDP meeting? I gotta say that in the processing of sorting thru all of the tutorial patches has really re-ignited by belief in the process of free software, and in this case, free documention. If I had written this intro by myself, it would be a fraction of what it is currently. What I especially enjoy is the creative little hacks that demonstrate core ideas that have come from a number of people. And that's not the drink talking ;) .hc ________________________________________________________________________ ____ There is no way to peace, peace is the way. -A.J. Muste

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Re: [PD] deconvolution in pd
by Charles Henry 21 Jul '06

21 Jul '06

Yes, I see....the signal with compact support can have zeros outside of ROC...It's clear why, now. I'm not sure what to do differently yet.... my idea was this: given alpha <=1 (an adaptation coefficient) we do: 1. Fourier transform of 3 things: reference signal (length 2N), received signal from microphone (length 2N), and the weights (length N, padded with N zeros at the end). 2. divide (FT of reference) by (FT of received) 3. unwrap phase; take result of (2) as phase and magnitude 4. multiply (FT of weights) by mag^alpha*( cos (phase*alpha) + i sin(phase*alpha) ) 5. take IFT of weights, and throw away final N samples Maybe there's an eigenvalue/vector trick that I'm missing... chuck On 4/8/06, Piotr Majdak <piotr(a)majdak.com> wrote: > Hi Charles, > > Charles Henry wrote: > > >2. Fourier deconvolution: The only restriction here is that the > >signal spans the entire frequency range (which in terms of wavelets, > >is just an octave chirp). > > > Dividing by a spectrum, every zero become a pole. Thus, dividing by a > spectrum of a signal with zeros outside of ROC will result in unstable > signals. To avoid this problem you can try to calculate a minimum phase > version of your ref-signal and divide by that one. Of course, the phase > information won't be deconvolved perfectly in this case :-( > > br, Piotr Majdak > -- Charles Zachary Henry anti.dazed.med Med student who needs a Mickey's

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GEM trigonometry clock
by Alexandre Quessy 01 Jul '06

01 Jul '06

Hi pd-list, Just in case it might interested some of you guys, or even for the GEM official examples, I just wrote a PD clock using GEM and Zexy. It is currently available online at http://www.sourcelibre.com/puredata/clock.pd for your pleasure. It uses simple trigonometry calculations with [sin] and [cos]. Thanks ! Alexandre Quessy http://www.sourcelibre.com/

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midifile
by Martin Peach 05 Jun '06

05 Jun '06

I have posted my external for reading midi files here: http://puredata.info/Members/martinrp There is code and a compiled dll for windoze as well as a shell script to compile it for lignux, and a help patch. Should work on OSX too with slight changes (define _BIG_ENDIAN for ppc). Midifile reads type 0 and 1 SMF (.mid) files and may work on type 2; it should ignore any non-standard meta codes. Please let me know how you got it to crash ;) Write functionality may be forthcoming in a few weeks... Martin

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GridFlow 0.8.3
by Mathieu Bouchard 18 May '06

18 May '06

http://gridflow.ca/download/gridflow-0.8.3.tar.gz version 0.8.3 (2006.04.02): * added Makefile rules for downloading+installing ruby 1.9 * new numops: weight rol ror * new vecops concept helps with complex numbers * new vecops: C.* C.*conj C./ C./conj C.sq- C.abs- * [#convolve]: added attr "wrap", "anti" * [#inner]: faster! * [#shunt]: added attr index,mode,lo,hi * now also works with older (non-CVS) versions of GEM * new object classes: [#fastblur], [#t], [#rgb_to_rgba], [#rgba_to_rgb], [#change], [#swap], [#polygon_perimetre], [#polygon_area], [args], [#gamma], [#saturation] * now autodetects the .gz suffix (goes with ppm/targa/grid formats) * moved the rest of pd_help/ to doc/flow_classes/ * automatic attribute generator for Ruby _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju | Freelance Digital Arts Engineer, Montréal QC Canada

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Pd-list April 2006