Pd-list February 2014

pd-list@lists.iem.at

94 participants
103 discussions

Receiving a compressed audio stream with PD.
by Rafael Vega 16 Feb '14

16 Feb '14

Hi list :) I'm building a patch where I need to use 50 audio files. Each one is about 12:50 minutes, I encoded them as 16 bit, 44,1KHz, mono and in total they are taking about 3.3GB. I would like to distribute my patch packaged as a QT application using libpd and the total file size of the application bundle would not be practical for this. I guess this could also be encoded as a single 50 channel file. An option I'm considering is to setup a streaming or file server where the audio files would be available and the PD patch would start downloading the file or files, buffer and start playing when sufficient samples are available. A disk buffer for subsequent plays would be great. So my questions are: Are the components to consume a stream, buffer it, decompress it and get a signal outlet available anywhere as externals or abstractions or whatever? What would be the compressed audio format for something like this? Maybe someone can suggest a different, easier approach? Thanks! :) -- Rafael Vega email.rafa(a)gmail.com

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[PD-announce] NYC Patching Circles Coming Back!
by Hans-Christoph Steiner 15 Feb '14

15 Feb '14

Hello All, Sofy booked two nights at NYU We changed the format slightly to include a moment for performance. Feb 28 at 6:30pm April 11 at 6:30pm The New York City Patching Circle is an free alternating monthly meeting and salon open to anyone who is working or interested in media programming and audiovisual performance. We mostly use Pd and Max/MSP, but all are welcome. Beginners and Experienced welcome. Open to everyone, students, the public, unicorns. Work on personal projects, professional projects, school projects, ask for help, help others, or just patch quietly to yourself in a room full of other people patching patches and helping other people patch. Each month there will be informal salon, featuring demonstrations of projects, performances and systems in the process of being built. The format will include short performances, artist talks about process and performance techniques and Q&A depending on time availability. The salon is openly curated with the intent of being as inclusive as possible and participation is open all practitioners working in realtime media. Start Spreading the Word! Sofy and Hans _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] Wich licence?
by Marco Donnarumma 15 Feb '14

15 Feb '14

Hey, it depends what kind of restrictions are you talking about. A program is free software when guarantees: - The freedom to run the program, for any purpose (freedom 0). - The freedom to study how the program works, and change it so it does your computing as you wish (freedom 1). Access to the source code is a precondition for this. - The freedom to redistribute copies so you can help your neighbor (freedom 2). - The freedom to distribute copies of your modified versions to others (freedom 3). By doing this you can give the whole community a chance to benefit from your changes. Access to the source code is a precondition for this. A GNU license guarantee all those core freedoms to all users. The restriction is that users have to apply the same license to anything they do with or from your software. They can also sell what they do with your software, but must ensure the same license is applied. MIT license, for instance, guarantees core freedoms (please, correct me if wrong), but allows users to change the license of their derivative works. Also check the LGPL. hope that helps, cheers, -- Marco Donnarumma Performer, body tinkerer, teacher and writer. #soundandmusic #biotech #freeculture EAVI - Goldsmiths, University of London ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Portfolio: http://marcodonnarumma.com Research: http://res.marcodonnarumma.com Message: 2 > Date: Fri, 14 Feb 2014 10:16:50 -0300 > From: Mario Mey <mariomey(a)gmail.com> > Subject: [PD] Wich licence? > To: pd-list <pd-list(a)iem.at> > Message-ID: <52FE1742.5060307(a)gmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > I made a Multi-FX Looper called "MEH-SYSTEM", posted in PD Forum: > http://puredata.hurleur.com/viewtopic.php?pid=37430 > > I want to put a license to it. Where should I get information about > types of licences? > > I don't think in any restriction... I only would want to know where, > when, how and by-who it was used. Only that. > > >

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Pos1 and End in keyboard editing
by Peter P. 15 Feb '14

15 Feb '14

Dear list, this has probably been discussed already (didn't find sth after a quick search in the archive though): When using the computer keyboard's "Pos1" and "End" keys to jump to the beginning of an object or numberbox when editing its contents, will make the cursor move there, but upon typing new characters, it jumpes back (or never really moved away) from its original position. This is Pd-0.45.0 vanilla from Miller's git and tk8.5/tcl8.5 (in fact 8.5.14-2) on a Debian system. does anyone else experience this too? best, P

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increasing zone of inlet / outlet
by puredata＠11h11.com 14 Feb '14

14 Feb '14

Hi all, I am getting older and it's more and more difficult to click right on the inlet or outlet. How to change increase the zone around them? I am using PD-0.43.4-extended. Thanks

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pix_video or OSX
by Mateo De Los Ríos 14 Feb '14

14 Feb '14

Hi List, I'm using pix_video to open a old Sony Mini DV. It used to work fine but now I'm getting the image in colorspace YUV regardless of messaging colorspace RGBA. I get this message in the console [pix_video]: backend #0='Darwin' : darwin dv iidc analog could not set SG Rect The only thing that has changed in the setup is the operating system. I upgraded to OS X 10.8.5 Could this be the problem. How can I get pix_video it to decode in RGBA? best, M

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filter-graph and lop~ phase
by Peter P. 14 Feb '14

14 Feb '14

Hi list, just wondering if I am getting something wrong plotting the phase response of lop~ using the abstractions filter-graph1.pd and filter-graph2.pd as exemplified in 3.audio.examples/H10.measurement.pd For a simple one-zero lowpass filter using [rzero~ -1] the phase response is plotted going from 0 to pi/2 (eg. 90°) at nyquist frequency. I always thought that it would be 0^ to -90° though. Also a highpass [rzero~ 1] filter's phase is plotted as going from -90° to 0° instead of the 90° to 0° I know from some textbooks. Is there a mistake I could have had made? I mean, things sound alright, but I am just wondering. best, P

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[PD-announce] PhD Positions in AI / Computational Models for Movement Recognition and Generation at Simon Fraser University.
by Miles Thorogood 13 Feb '14

13 Feb '14

========================= *Subject:*PhD Positions in AI / Computational Models for Movement Recognition and Generation at Simon Fraser University. Application deadline: March 1^st 2014 We are pleased to announce a PhD position in AI / Computational Models for Movement at the School of Interactive Arts and Technology at Simon Fraser University (Surrey, British Columbia, Canada). This position will be working with Associate Professor Philippe Pasquier, and Postdoctoral Fellow Sarah Fdili Alaoui in the *Moving Stories: Digital Tools for Movement, Meaning and Interaction* Research Group (movingstories.ca) lead by Associate Professor Thecla Schiphorst. Moving Stories is an interdisciplinary, collaborative research partnership leading to the design and application of more richly articulated human movement knowledge within digital technology interaction. The research institutional partners include Simon Fraser University (SFU), The University of Illinois at Urbana-Champaign (UIUC), The Laban Institute of Movement Studies in New York (LIMS), Emily Carr University of Art and Design (ECUAD), The University of British Columbia (UBC), and Credo Interactive. *Duties and Responsibilities: * Â·Work towards developing a Movement API (see http://www.movingstories.ca): develop and use machine learning techniques for the computational study, modeling, representation, segmentation, recognition, classification, transformation or generation of movement information. Â·Support development of computational models of moving agents using Machine Learning techniques Â·Lead conference, journal, and grant proposal writing and submission *Preferred Qualifications**:* _Mandatory:_ -Previously completed or about to complete a Master Degree in Computer Science or equivalent experience. -Research focus includes at least one of the following areas: oArtificial Intelligence: Agent and Multiagent Systems, including virtual agents oMachine Learning Techniques oComputer Graphics, Animation, and Digital Signal Processing. _Desirable:_ Experience with C++, Java, MaxMSP, Python, OpenGL/GLSL, mobile/tablet development, and performance/multimedia/ and visual art, conducting user studies, interdisciplinary collaboration. *Position title:*PhD Student, SIAT *Rate of pay:* Full financial support for the duration of the PhD. Includes fellowship as well as support for conference travel and gears. Actual rate depends on qualification, and experience (expect between 25k and 35k annually). *Departmental contact:*Nasim Jahangiri (Project Manager) *Contact email:*njahangi@sfu.ca and Pasquier(a)sfu.ca *Job close date:*Open until filled *Review begins on (continues until position filled):*March 1st, 2014 *Benefits eligible:*Yes *Full-time/part-time:*Full-time *How to apply:* _Application Documents Required:___ - Letter of interest (1 page pdf) - Research statement (1 page pdf) - Curriculum vitae, including list of publications and name of references(pdf) - Link to website or online portfolio of creative work, multimedia projects, or research projects (optional) - List of 3 professional references w/contact information (email and phone number). Send the document above to Moving Stories' Project Manager, "Nasim Jahangiri" njahangi(a)sfu.ca <mailto:njahangi@sfu.ca>, and Pr. Pasquier pasquier(a)sfu.ca. ** *Benefits to applicants:* - Work in an internationally recognized, interdisciplinary research team with strong connections between technology and embodied experience. - Receive weekly mentorship towards a research career. - Vancouver is a beautiful city situated between the ocean and mountains with easy access to year-round outdoor activities and cultural opportunities. -- Simon Fraser University is a unique university spread over three campuses with many strong connections to local video and gaming industries. - Position could begin any time after September 1st, 2014. Flexibility in starting date. - Health insurance through Simon Fraser University. Regards, -- Philippe Pasquier ------------------------------------------------------------ Associate Professor, Graduate Program Chair, School of Interactive Arts and Technology, Associate Dean of Graduate Studies, Faculty of Communication, Art and Technology, Simon Fraser University, Vancouver, Canada. Mobile: +1 778-989-1240 Phone: +1 778-782-8546 Email: pasquier(a)sfu.ca | Skype: pasquierphilippe http://www.sfu.ca/pasquier | http://www.metacreation.net --------------------------------------------------------------- ===================== _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Fwd: pd gui: partial interface freeze
by Billy Stiltner 13 Feb '14

13 Feb '14

---------- Forwarded message ---------- From: Billy Stiltner <billy.stiltner(a)gmail.com> Date: Wed, Feb 12, 2014 at 1:13 PM Subject: Re: [PD] pd gui: partial interface freeze To: Py Fave <pyfave(a)gmail.com> I have the same problem , both recordings I did last night crashed, I think it's the number of objects loaded but might be wrong. First one crashed at about 50 some minutes after I loaded my mandelbox sequencer. If I turn up the BPM that will do it also. The second one I started up with the mandelbox sequencer and ran it for about 30 minutes till it froze completely. I'm not sure how long the controls were froze, the checkboxes still were working but couldnt scroll the record window to stop the recording so I alt tabbed to the terminal and ctrl+Ced the turing tarpit.. luckily I have an auto sail button and the sliders work still even though they are not graphically active, also I can type numbers into numberboxes and adjust with mouse. The audio part works just not the gui. https://archive.org/details/26edonum2 I do have some sort of logical error with the voices - there are things in the patch that make a -1 to send to the main envelope for a ramp down if voice stealing occurs (a voice is still sounding when triggered with a non 0 velocity.) The problem is that it seems that if the release part of the envelope is non 0 it seems as if all notes triggered after a new voice is triggered the releases add up or the audio kinda gets stuck like in "reverb freeze like mode". On Sat, Jan 18, 2014 at 12:36 PM, Py Fave <pyfave(a)gmail.com> wrote: > usb/hid did this if i remember correctly. > > i solved it by usind a different build or another object: > [joystick] but it was on windows > > i guess this is a known bug because [hid] is so useful > perhaps someone has a better knowing of this .? > or a workaround . > > > > > > > > 2014/1/18 ub(a)xdv.org <ub(a)xdv.org> > > On 18.01.2014 17:07, Py Fave wrote: >> >>> i had the same problems while using gem objects some time ago >>> it was because of text2d or text3d. >>> >> right. considered parts of gem as the culprit, but then i'm fairly sure i >> did experience this, before i added text2d and text3d objects >> and i'm hardly ever running them [0]->[gemhead]. >> i'll give it a shot and remove them. >> >> >>> you can remove some gui stuff too . >>> replacing bng by bang for instance >>> >> since i'm using them only as indicators not buttons, that's not an >> option. guess i could use data strcuturs for sliders, but >> that probably opens a new can of worms. >> >> >>> and use [change] on your inputs to reduce the flow . >>> >> i'll do that! >> >> >>> only suggestions , i don't remember what was the problem but i solved it >>> >> good to know, someone has seen it too. thanks! >> >> >>> >>> >>> >>> >>> >>> >>> >>> >>> 2014/1/18 ub(a)xdv.org <mailto:ub@xdv.org> <ub(a)xdv.org <mailto:ub@xdv.org >>> >> >>> >>> >>> hey there, >>> >>> i've been having this heisenbug for some time and learned to live >>> with it, but having fixed some real bugs on my patch, >>> this is the last one on my list and i'd like to give it a go, but >>> no idea where to start. >>> >>> symptoms are: >>> some time into performing (20min to 1h) all the sliders, >>> messageboxes, dials and bangs sort of get stuck, >>> meaning they do not change their display state anymore. i can >>> however still drag and click their active parts >>> and their output will react accordingly, but none of this is being >>> displayed. >>> i should probably mention, that checkboxes still work correctly. >>> >>> i had hoped it would go away moving from pd 0.42 to 0.43, but it >>> didn't. >>> >>> this is 64-bit linux (ubuntu 12.04), pd-extended (now >>> ubuntu-package, previously >>> self compiled from git) >>> >>> speculations include: >>> from a gut-feeling i suspect something like an input overload, ie >>> some input >>> shooting messsages at an insanely high rate, so the element's >>> message queue >>> (if there is such a thing) stops passing things on to the display. >>> >>> i also suspect vjtools/videogrid as it messes with the interface, >>> but does have a few issues, >>> like race conditions between thumbnail creation and thumbnail >>> display, esp if there's >>> two of them. >>> >>> hid: usb joysticks could maybe freak out and overload the >>> interface inputs >>> >>> anyway i can not see any direct connection between what i do and >>> when it happens. >>> >>> re-opening the patch doesn't help, only restarting pd does. >>> >>> has anyone ever seen (something like) that? >>> any ideas about how to debug, where to look or what to try? >>> >>> thanks + cheers, >>> ub >>> >>> _______________________________________________ >>> Pd-list(a)iem.at <mailto:Pd-list@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 > >

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mrpeach/net iemnet and other way to get file from the net
by Cyrille Henry 13 Feb '14

13 Feb '14

hello, We are trying to get small text file from the internet using mrpeach net objects. there is some few crash. gdb backtrace gives : Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff8cf81700 (LWP 31771)] 0x00007fffeab9fa94 in tcpclient_child_connect (w=0x7fffea88d010) at tcpclient.c:225 225 x->x_addr = ntohl(*(long *)hp->h_addr); (gdb) watchdog: signaling pd... watchdog: signaling pd... bt #0 0x00007fffeab9fa94 in tcpclient_child_connect (w=0x7fffea88d010) at tcpclient.c:225 #1 0x00007ffff73a8f6e in start_thread (arg=0x7fff8cf81700) at pthread_create.c:311 #2 0x00007ffff6ecf9cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113 (this is on ubuntu 13.10 linux 64 bit / pd 0.45 / mrpeach from svn, but osX gives the same kind of crash ) iemnet object are not more stable. there are lot's of thread about this in the list. is there anything new, or something we can do to avoid crash? or is there an other solution that would be cross platform (linux, osX, windows) and would allow a patch to download text file from a server? thanks cheers Cyrille

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Pd-list February 2014