Pd-list March 2006

pd-list@lists.iem.at

148 participants
291 discussions

Re: [off-list] Re: [PD] newbie problem compiling dssi~
by Libero Mureddu 31 Mar '06

31 Mar '06

On 3/28/06, Jamie Bullock <jamie(a)postlude.co.uk> wrote: > > Hi, > > > On Tue Mar 28 12:48 , 'Libero Mureddu' <libero.mureddu(a)gmail.com> sent: > > >Hi, > > > >now I've got dssi~ to compile correctly. It also loads in pd correctly. > >However, listplugins crashes. I didn't have ladspa SDK installed, > >because the ladspa packages provided in the ardour website contain > >only the plugin, so I've installed ladspa SDK via Fink. So, now I have > >listplugins working. > > > >In any case, I don't know how to check if dssi~ can read my ladspa > >plugins, because I don't know how to control the plugins parameters > >with pd. > >Can you send me a test patch to try a ladspa plugin? > > > > The updated help file in CVS now shows how it should all work. It requires > sine.so and hexter.so. In essence, once the plugin has loaded, sending an 'info' > message to the object will tell you the LADSPA control and audio ports supported > by the plugin, suggested minimum, maximum and default values. All control port > data is sent via the first inlet in the following form > > |control #<portnumber> <value> <instance>( > | > [dssi~ <pluginname> <instances>] > > Audio rate inlets and outlets will be built dynamically depending on how many > audio ports there are, and how many instances of the plugin you are running. > > > If this isn't clear, let me know, and I will produce some better documentation (i > should do that anyway ;-) > > > Jamie > Hi, sending the 'info' message, doesn't produce anything, not even an error message in the pd window. The 'listplugins' message crashes pd, and also opening your patch causes the crash, I think because I don't have hexter installed, so I'm trying to compile dssi (not dssi~!) and hexter but I have some problems compiling them. But the good news are that dssi~ loads the plugins correctly it seems, at least it creates different inlets according to different plugins. I read from another email that it is not necessary to install ladspa SDK in order to have listplugins working, but I couldn't understand if I have to install jutils, or in which way jutils are related with dssi~. Thanks Libero > > > > >

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[Fwd: Re: [PD] PD crashes when creating gemwin-object on linux]
by J. Schmidt 31 Mar '06

31 Mar '06

Sorry, forgot this: #0 0x423cc150 in glClearColor () from /usr/X11R6/lib/libGL.so.1 #1 0x081659c8 in ?? () #2 0x081659c8 in ?? () #3 0xbfffd738 in ?? () #4 0x080550a3 in canvas_getcurrent () at g_canvas.c:142 #5 0x00000000 in ?? () #6 0x08164020 in ?? () #7 0xb7f4be40 in ?? () from /home/schmidje/Desktop/pd_externals/Gem/Gem.pd_linux #8 0xbfffd768 in ?? () #9 0xb7f4be40 in ?? () from /home/schmidje/Desktop/pd_externals/Gem/Gem.pd_linux #10 0x41a00000 in ?? () #11 0x081659c8 in ?? () #12 0xbfffd768 in ?? () #13 0xb7e52ce9 in gemwin::gemwin () from /home/schmidje/Desktop/pd_externals/Gem/Gem.pd_linux #14 0xb7e52ce9 in gemwin::gemwin () from /home/schmidje/Desktop/pd_externals/Gem/Gem.pd_linux #15 0xb7e52d72 in _classgemwin () from /home/schmidje/Desktop/pd_externals/Gem/Gem.pd_linux #16 0x0809efa3 in pd_typedmess (x=0xcbf8, s=0x0, argc=0, argv=0x10) at m_class.c:732 #17 0x080a3201 in binbuf_eval (x=0x8163020, target=0x8164bc8, argc=186, argv=0x805dac5) at m_binbuf.c:574 #18 0x0805dac5 in canvas_objtext (gl=0x8164268, xpix=186, ypix=135671840, selected=0, b=0x8164bc8) at g_text.c:94 #19 0x080624f1 in text_setto (x=0x8164bc8, glist=0x8164268, buf=0xba <Address 0xba out of bounds>, bufsize=69) at g_text.c:1294 #20 0x0808038f in glist_deselect (x=0x8164268, y=0x8164248) at g_editor.c:207 #21 0x08081726 in canvas_doclick (x=0x8164268, xpos=274, ypos=0, which=134750643, mod=135676520, doit=274) at g_editor.c:222 Previous frame inner to this frame (corrupt stack?)

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Re: [PD] Pd's wikipedia page
by Chris McCormick 31 Mar '06

31 Mar '06

On Fri, Mar 31, 2006 at 12:01:04PM +0200, pd-list-request(a)iem.at wrote: > Date: Thu, 30 Mar 2006 20:18:13 -0800 > From: "david golightly" <davigoli(a)gmail.com> > Subject: [PD] Pd's wikipedia page > > Hey list, > > I found myself on Wikipedia today inspecting "our" site for Pd. I > made some changes, added some info and uploaded a screenshot of a > patch I happened to have open at the time. The screenshot before was Heheh, good how yr dnb patch has only two tempos - that is so very dnb. > also has capability to upload PD (as in Public Domain) sound samples > up, though it's hard to know where to start with Pd. Also, is there My favorite very 'pd sound' is made with a really simple patch: [hslider] | [mtof] | [osc~] | [dac~] Set the constraints of the slider to be between 127 and 200, and then fiddle the hslider around randomly. There are many interesting modulations up there. It fits nicely with a quote that Miller once made about how users will always do unpredictable things like play sounds at frequencies greater than the base sample rate. > anything like a list of actual performing artists who use Pd either > live or in studio? I'm sure several on this list are worthy of > mention... Not sure about worthy of mention, but I write lots of music with Pd. Thanks for yr work on the page. Chris. ------------------- chris(a)mccormick.cx http://mccormick.cx

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motion-tracking
by sara kolster 31 Mar '06

31 Mar '06

Hi, I'm trying to understand the Gem motiontracking objects, but I don't seem to get very far. The help patch of pix_movement shows the difference between two subsequent frames, but when I connect pix_blob (set to the alpha-channel) after [alpha] in the rendering chain, I have no clue what the relation is to the xy-coordinates that come out and the movement I see in my frame. When connecting pix_multiblob after pix_movement, the xy of'showblob' seem not to have any relation with the movement I see. Some questions: - what are the x/y coordinates in relation to my Gem window (defined in pixels) and the x/y coordinates of the objects [translateXYZ] or [pix_showblob]? Or are the x/y coordinates related to the geo (defined in units) on which I texture my image? - Does [showblob] represent the movement? Let's say that if we have a red background and a green moving ball, showblob is following this green ball? Or is my understanding completely wrong/backwards? - Can anyone explain the definition of units, when p.e. rendering a rectangle of 3/4 in a gemwin of 800/600? I understand that 'units' are logical sizes in a 3d-application (from: Gem manual), but is there anyone who found a way to explain this better? Did someone succeed in making a simple motiontracking-patch, just so I can understand how these objects work? Thanks a lot, Sara

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4th International Linux Audio Conference - 27-30 April 2006
by Frank Barknecht 31 Mar '06

31 Mar '06

I don't remember that this was mentioned here, so sorry if I repeat it. 4th International Linux Audio Conference ========================================= 27-30 April 2006 @ ZKM Karlsruhe, Germany In cooperation with people of the Linux Audio Developers Mailinglist, the Institute for Music and Acoustics at the Center for Art and Media (ZKM), Karlsruhe/Germany, invites to the LAC2006 4th International Linux Audio Conference 27 - 30 April 2006 at the ZKM | Institute for Music and Acoustics, Karlsruhe/Germany. LAC2006 aims at bringing together developers and users of Linux and open source audio software with the target of information sharing, project discussion and music. Highlights: * Public Talks and Workshops * Concerts * Internet Cafe * Proceedings * Live Audio/Video Stream * Free admission to all events except the concerts Read more here: http://lac.zkm.de/2006/ The Programme contains several Pd related talks and concerts. These are their abstracts so far: Agostino Di Scipio Using PD for Live Interactions in Sound. An Exploratory Approach ("Composer's Talk") This presentation illustrates the principles and motivations behind the composition of Modes of Interference, a work conceived as an audio feedback system with trumpet and electronics. It focuses in particular on the Pd signal-processing patch specifically designed for that, basically implementing the nonlinear coupling between a microphone input and two loudspeakers' output. The particular coupling methods allow for control of feedback between the two ends of the audio loop. The Pd patch has two main functionalities. (1) It is designed to deliberately cause, and dynamically handle, high-gain audio feedback situations, thus providing useful musical control over the so-called Larsen effect (that way, a typical problem in live electroacoustics is turned into an opportunity for musical exploration). (2) It is also designed to dynamically transform any input sound material by means of simple methods of granular re-sampling, indirectly affecting the feedback loop itself. The results widely vary depending on several acoustical circumstances, and reflecting the network of mutually dependent variables in the overall audio system loop. The presentation briefly illustrates how that musical potential is explored in Modes of Interference. Frank Barknecht 128 Is Not Enough - Data Structures in Pure Data A lesser known feature of Miller Puckette's popular audio and media development framework Pure Data is the possibility to create user defined graphical data structures. Although the data structures are included in Pd for several years, only recently a sigificant number of users discovered and used this feature. This paper will give an introduction to the possibilities of Pd s data structures for composers and musicians and present several example applications. Eric Lyon A Sample Accurate Triggering System for Pd and Max/MSP A system of externals for Pd and Max/MSP is described that uses click triggers for sample-accurate timing. These externals interoperate and can also be used to control existing Pd and Max/MSP externals that are not sample-accurate through conversion from clicks to bangs. Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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Re: [PD] scores with datastructure -wattachedfile
by tristan chambers 31 Mar '06

31 Mar '06

I got it working! Very cool. I hope you get it so that one could use this for basic composition. That would be very handy! I can just imagine programming in music notation to sequence my synthesizers. Nice work, Tristan On 3/28/06, patco <megalegoland(a)yahoo.fr> wrote: > Hi, > --- tristan chambers <polytristan(a)gmail.com> a écrit : > > > hello Patco, > > I tried loading note-lib.pd and had a problem in both 0.39-0 and > > 0.38.4. When I changed stem height, number of flags, or number of dots > > I get the following error: > > > > error: set: empty pointer > > error: ptrobj_bang: empty pointer > > error: ptrobj_bang: empty pointer > > The idea of this patch is about creating a note with a single message, > before changing parameters, you have to click on the message box > in pd-note: > [pointer-to mydisplay, 200 100 0 -20 1 1( > first argument is the patch where the note is displayed, > 2nd and 3rd is x y position > 4th is the color (for half or quarter note) > 5th is the number of flag > 6th is the number of dots > > > Sharp and flats are still missing > I am going to ad it soon > enjoy, > > Patco. > > > > > > > ___________________________________________________________________________ > Nouveau : téléphonez moins cher avec Yahoo! Messenger ! Découvez les tarifs exceptionnels pour appeler la France et l'international. > Téléchargez sur http://fr.messenger.yahoo.com > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list >

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[torus] not included in Gem?
by Hans-Christoph Steiner 31 Mar '06

31 Mar '06

I am writing up some tutorials, and I tried to make [torus] in Pd- extended. But its not loading. I see that Gem/src/Geos/torus.cpp exists. Is it no longer included? .hc ________________________________________________________________________ ____ "I have the audacity to believe that peoples everywhere can have three meals a day for their bodies, education and culture for their minds, and dignity, equality and freedom for their spirits." - Martin Luther King, Jr.

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Re: [PD] compile pd on ubuntu 5.10
by João Miguel Pais 31 Mar '06

31 Mar '06

check my last mail, I started a page about that on my member section in the pdwiki. feel free to complete what I said, I think the page is editable by all. (I don't have any backup of it, please don't erase it ;)) > I have just compiled pd 39. extended test2 on a p4 laptop running > breezy. It went ok and works fine (so far, although I did get a divide > by zero error when using expr in a patch, but that could just be the > patch). Yes there were lots of warnings but i just ignored them! > > I followed the instructions on http://puredata.org/docs/developer/Debian > with some slight differences... > > Gridlflow does not compile (I have attached a txt of the errors) but I > did use libmagick++6c2 from the ubunto repo rather than libmagick++6 not > sure if that makes a difference, but worth noting. I also installed > libavifile-0.7-dev from ubuntu sources rather than debian unstable. > > > There was one lib called libdps-dev that I had to get by adding > > deb http://debian.fabbione.net/debian-ipv6 sarge ipv6 > > to my /etc/apt/sources.list > > I made a tar.bz2 package I can mail you if you want to test it. Bear in > mind its built on a 686.

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Re: [PD] ICST releases Ambisonics Externals for Max/MSP
by day 5 30 Mar '06

30 Mar '06

it's not much different from PD, but the fact remains that in it's present state, it is incompatible with PD's API. although i'm quite busy at the moment, i'll have a look at it frankly though i see no advantage to porting these externals to Pd over using [csoundapi~]'s already implemented version of the same idea (Ambisonics encoding). Initial tests seem to indicate that [csoundapi~] compiled with Intel's icc compiler significantly outperforms any PowerPC AltiVec instruction that the current Max/MSP version implements using equivalent processor specifications and compiler flags you may be interested in having a look to see if you can't improve your code http://cvs.sourceforge.net/viewcvs.py/csound/csound5/Opcodes/ ambicode.c?view=markup http://www.csounds.com/manual/html/bformenc.html http://www.csounds.com/manual/html/bformdec.html ./d5 On Mar 30, 2006, at 9:35 AM, /*j wrote: > sorry about the double post > i thought this would stir up some dust. > > the source code's there, it's not much different from PD... > i'm actually looking for somebody to help me port the audio objects to > PD. > > are you up for it? > > /*j > > On 30 Mar 2006, at 15:03, day 5 wrote: > >> so what exactly do precompiled Max/MSP binary files and source code >> that is incompatible with Pd's API have to do with Pd ? >> >> just releasing your software under LGPL does not make it relevant to >> this list >> >> >> >> ./d5 >> >> On Mar 30, 2006, at 3:14 AM, /*j wrote: >> >>> Apologies for cross-posting. >>> >>> --- >>> >>> The Institute for Computer Music and Sound Technology ICST of the >>> Zurich School of Music, Drama and Dance is proud to announce the >>> release of a set of externals for Max/MSP for Ambisonics surround >>> sound processing. >>> >>> These externals are the result of research and practise using >>> Ambisonics since 2000 and have been tested and used in numerous >>> concerts, compositions and installations. >>> >>> The ICST releases these externals under the terms of the GNU Lesser >>> General Public License (LGPL). >>> For more information regarding this license go to http://www.gnu.org. >>> >>> This release comprises four objects for surround sound processing >>> and source-control in three dimensions: >>> >>> ambiencode~ - encode n audio-channels in up to 3rd order ambisonic >>> b-format >>> >>> ambidecode~ - decode up to 3rd order ambisonic b-format to n >>> audio-channels >>> >>> ambimonitor - graphical user interface object for sound-source >>> placement (Mac only) >>> >>> ambicontrol - control sound-sources in the ambimonitor in a >>> variety of ways (Mac only) >>> >>> This release has been developed and tested on Mac OS 10.4 (Tiger) >>> and Max/MSP 4.5.x >>> >>> The DSP-objects have also been compiled and tested under Windows XP >>> SP2 and Max/MSP 4.5.x. Due to the considerable task of porting the >>> GUI object to Windows, this release for Windows contains only the >>> audio-objects. >>> >>> The files can be downloaded from: >>> http://www.icst.net/downloads/ >>> >>> We hope you'll enjoy them! >>> >>> >>> Jan Schacher >>> Philippe Kocher >> >> >

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ICST releases Ambisonics Externals for Max/MSP
by /*j 30 Mar '06

30 Mar '06

Apologies for cross-posting. --- The Institute for Computer Music and Sound Technology ICST of the Zurich School of Music, Drama and Dance is proud to announce the release of a set of externals for Max/MSP for Ambisonics surround sound processing. These externals are the result of research and practise using Ambisonics since 2000 and have been tested and used in numerous concerts, compositions and installations. The ICST releases these externals under the terms of the GNU Lesser General Public License (LGPL). For more information regarding this license go to http://www.gnu.org. This release comprises four objects for surround sound processing and source-control in three dimensions: ambiencode~ - encode n audio-channels in up to 3rd order ambisonic b-format ambidecode~ - decode up to 3rd order ambisonic b-format to n audio- channels ambimonitor - graphical user interface object for sound-source placement (Mac only) ambicontrol - control sound-sources in the ambimonitor in a variety of ways (Mac only) This release has been developed and tested on Mac OS 10.4 (Tiger) and Max/MSP 4.5.x The DSP-objects have also been compiled and tested under Windows XP SP2 and Max/MSP 4.5.x. Due to the considerable task of porting the GUI object to Windows, this release for Windows contains only the audio-objects. The files can be downloaded from: http://www.icst.net/downloads/ We hope you'll enjoy them! Jan Schacher Philippe Kocher -------------------------------------------------- Zurich School of Music, Drama and Dance Institute for Computer Music and Sound Technology Baslerstrasse 30 CH-8048 Zürich Telephone ++41 43 305 45 00 http://www.icst.net

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Pd-list March 2006