Pd-list June 2011

pd-list@lists.iem.at

106 participants
190 discussions

Arduino : multiple boards? Wireless?
by Pierre Massat 22 Jun '11

22 Jun '11

Hey List, (I've been looking at what Onyx does with his BeatJazz. This annoyingly cool and exciting.) One simple question about arduino : can I use more than one board on the same computer? If I can, is there any drawback (slower speed, etc.)? Another question : do you think that using a wireless shield could cause some gliches in the audio (in soundcard, or more probably in my guitar amp)? cheers! Pierre

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[PD-announce] Gangplank workshop on Saturday 25th at les Laboratoires d'Aubervilliers (F)
by Oli44 22 Jun '11

22 Jun '11

Hello, Gangplank is a nomadic workshop involving independant/freelance European artists and technicians from the dance/theatre/performing arts scene, sharing a common interest for the shift happening in dramaturgy due to the rise of digital tools, removal of hierarchy, free culture as well as free beer... We have developed tools, besides real-life tolls, to drive a Lanbox layer via a UDP network socket as well as a set of MIDI-to-TCP commands using Puredata. The code is licensed under the GNU/GPL license and can be downloaded, obviously for free, from our Gitorious <https://gitorious.org/gk-code> repository. https://gitorious.org/gk-code Early versions required Pd-extended (especially mrpeach OSC network objects) as well as the pdmtl v2 abstractions, next version will also depend on Gridflow. Please join us at les Laboratoires d'Aubervilliers to follow our demos, chat and exchange with us. This session as well as the next one at Pact Zollverein, Essen, Germany , next July, are facilitated by Anne Goldenberg, Montréal, Canada. We also plan sessions in the Balkans next year. Date: Saturday June 25th, 02:00 -06:00 PM, Location: 41, rue lécuyer 93300 Aubervilliers, Metro 4 chemins, ligne 7 Info(a)leslaboratoires.org phone +33(0)1 53 56 15 90 http://www.leslaboratoires.org/projet/gangplank-aux-laboratoires-daubervill… -- olivier(a)heinry.fr Portfolio: http://olivier.heinry.fr Blog 2.0 http://www.heinry.fr/olivier _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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pix_image and pix_film : Unable to find files after two hours
by david lemarechal 21 Jun '11

21 Jun '11

Hi list, I have a serious issue with a patch that loads and displays images and films sequentially in a loop of about 5 min. Everything works fine, but after two hours, we got blank screen and Pd says : [pix_image] : Unable to find file ... The path displayed is always the correct one, so the files exist, but Gem can't find it. Any idea of what is going on ? This occurs for almost every instance of pix_image and pix_film. (one .avi seems to survive each time) I'm on windows 7 64bits with pd-extended 0.42.5 anf Gem 0.92.3 Any advice would be very very appreciated. Thanks ! David

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Re : pix_image and pix_film : Unable to find files after two hours
by david lemarechal 21 Jun '11

21 Jun '11

Hi, > > >The limit seems to be 1024. > >However I think I fixed the problem using [pix_buffer] for all the image I need to load a lot of times. > > > >Thanks. > > >David > > > > >>________________________________ >>De : Matteo Sisti Sette <matteosistisette(a)gmail.com> >>À : pd-list(a)iem.at >>Envoyé le : Mardi 21 Juin 2011 19h11 >>Objet : Re: [PD] Re : pix_image and pix_film : Unable to find files after two hours >> >>Oh my god that's bad news... How many files is the "limit"? >> >>Do text files opened with [textfiles] also count? >> >> >>On 06/21/2011 06:43 PM, IOhannes m zmoelnig wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> On 2011-06-21 17:36, david lemarechal wrote: >>>> >>>> Is this a bug of pix_image ? Is there a limit of opened files somewhere ? >>>> How can I avoid that ? >>>> >>> >>> it's a bug in Pd, that has been fixed with 0.43 >>> unfortunately, Gem will also have to adapt to the fix in Pd >>> (read: you need a version of Gem specially compiled for Pd-0.43) >>> >>> fgmadr >>> IOhannes >>> -----BEGIN PGP SIGNATURE----- >>> Version: GnuPG v1.4.11 (GNU/Linux) >>> Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ >>> >>> iEYEARECAAYFAk4AyjcACgkQkX2Xpv6ydvRS3ACgivcnibKHwQ/19gJNsuH3g70+ >>> 7X8An2EyuVLyLvEMf/ZI9UXGyf1zq6mv >>> =FC8L >>> -----END PGP SIGNATURE----- >>> >>> >>> >>> >>> _______________________________________________ >>> 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 >> >> >> > >

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Re: [PD] Pd performance at TED
by Onyx Ashanti 21 Jun '11

21 Jun '11

I figured that I would chime in at this point. Every single note you hear, is being played, as in one at a time, as a horn player does, into a looper which I use to layer everything very quickly into an arrangement then deconstruct and reconstruct on a musically relevant trajectory. There was nothing pre recorded or preconceived. Simply a controller, a database of synthesizers and a looper with effects. I am playing every single solitary note. If that sounds like it is hard to do, you're right. As for not seeing how pd is used in this project, The controller is merely 3 arduinos, running hans wonderful firmata/pduino software, connected wirelessly to puredata where I created the wind controller software and gestural systems. Without pd there is no system. It's all documented from day one on my blog. No parodies involved. I would like an elaboration on how the system is "clunky" if you don't mind. First off, I feel that it is pretty streamlined for a first prototype made of cardboard that is only 3 months old. Two wireless hand units and a mouth unit. If you have suggestions as to how I might improve it at this stage, before my next stage or dev, I would love to hear it. @marco, how would you make this concept more "beautiful" or "efficient"? I am always a willing student in these regards. Do you have any examples of said efficiency? Being an instructor, I would have expected that you would have seen the blog link on the Ted profile and researched your position before simply asserting that my concept has no value. @Tyler. You are correct in that I don't care about making it rain granular algorithms (yet), I want to be able to express myself for fully using tools available to me. Hans and others were nice enough to help me with advice and code and it just happened that some people (Ted) other than my immediate fans found it interesting. Even now, I still busk, but this opportunity makes it a bit easier to realize some of these larger goals. The phone is used as a headup display for making sure all my sensors are doing what they are supposed to do. @richie. I have been a pro in electronic music for 15 years. Google it. One thing that I and other alternative controller artists are realizing is that we must be in the audience. Otherwise people can not see that you are actually playing. That is why when I play clubs I play from the dance floor and currently monitor with the club sound system which is hard but allows a flow of ideas that doesn't come from separating ones self from the audience. And from there people can see your fingers and gestures carve the sound. This form of performance blends my desire to connect with my space my music and my movements as intimately but, it should be noted as well, this is a 3 month old prototype so that people are discussing it and I have even moved from beta stage yet, is encouraging. If you would like to hear what is possible with this concept, go to www.onyxashanti.bandcamp.com/album/onyx-Ashanti-full-promotional-package-do… Or feel free to ask me. Www.beatjazz.blogspot.com <http://www.beatjazz.blogspot.com/> -- www.onyx-ashanti.ning.com www.beatjazz.blogspot.com onyxashanti.bandcamp.com twitter.com/onyxashanti facebook.com/onyxashanti Germany+49 176 3543 7859

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pix_film ignoring alpha channel on Mac OS
by Matteo Sisti Sette 21 Jun '11

21 Jun '11

Hi, On Mac OS, pix_film seems to ignore the alpha channel of videos encoded with the Apple Animation codec. It works fine on Linux (same patch, same video files), but on Mac OS transparent pixels are displayed as opaque black. I have already sent [pix_film] the "colorspace RGBA" message. Is there a way to get it to work on Mac OS too? Thanks m.

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"image" doesn't work after clearing big patch
by Mirko Maier 21 Jun '11

21 Jun '11

hi list, i have a patch window with a (big) image, using günther geigers "image" external (win xp), and with some data structures. using the "clear" message for the window a couple of times and then reloading the image (between 10 and 25 times of clearing and reloading), it doesn't load anymore. does anyone know a solution? best mirko -- NEU: FreePhone - kostenlos mobil telefonieren! Jetzt informieren: http://www.gmx.net/de/go/freephone

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advices needed to track dancer (kinect, osceleton, tuio, pidip)
by manecante 21 Jun '11

21 Jun '11

hi, i need to track a dancer to project and map videos on him (one of the video is a human body on a black background). I am trying the kinect at the moment thinking first that it would be the easiest solution because it has the infrared camera and no need of infrared light. So, I have made a first patch using osceleton to get the coordinate of the dancer and mapped these X/Y/Z coordinates to feed a translate object connected to pix_film so the video is following the dancer. Regarding this solution, the limits are : - the distance the kinect can track : from what i experimented and read it can not track correctly with more than 4,5 meters. - the PSI pose is required (it is not a big deal because the show starts in the dark anyway but would be better without it). Now here are my questions: - i have got pidip working and i read that i could use the [pdp_joint] object to avoid to do the PSI pose, but the problem is i don't understand how to use it regarding this project and if it would be possible to get the coordinates like with osceleton. - I know there is also the TuioClient object that could be usefull but after binding it to osceleton port nothing happens. - I have never worked with tracking motion and video projections before and i am also wondering where i should put the beemer and camera to be the most efficient as possible. (I don't know yet the dimensions of the stage ..) - Someone told me that it would be maybe easier to do it with the ps3 eye camera removing the IR filter, and put it on the cealing to work only with the X/Y axes. any ideas on this ? Any advice would be very much appreciated, #ubuntu 10.04 #fireGL v5700 thanks in advance delphine

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Re: [PD] Pd performance at TED
by Marco Donnarumma 21 Jun '11

21 Jun '11

> > > glad the provocation went through. > You also used that word when posting an unrelated url on LinkedIn today. > Seems to be a mood that you are in. > sorry Mathieu, don't know what you are talking about. I even checked my Linkedin and there's no "provocation" in there. You might be confused with someone else. > > Thus, I was just wondering that I would have appreciated TED to show > > some of them instead of this with cables everywhere and boxes hanging > > around. > > I wish people to stop portraying the use of visible cables-and-boxes as if > it were some kind of unprofessionalism. > It's not about having cables or not, it's about claiming to have discovered the "future". quote from his video read "we MAKE the future". It is simply wrong to state something like that on a TED video with such performance. > > > What's a ??technological parody???? > > I mean when "hi-profile" tech is used to implement an approach or a > > concept that doesn't really require such amount of technology. > > Well, for producing the sound that you are producing, you don't need the > equipment that you are using. For example you could pre-record it all by > playing on a totally different-looking device. How many people would > notice?? > Mathieu, the comparison here is not useful. That's why I did not mention my work. We are talking about very different studies. But since you mentioned it, my equipment is: 1_ composed of one mic, one circuit and a common soundcard. Not the same amount of devices used in the TED video. 2_ the sound produced is quite idiosyncratic and the only sound source is coming from a sound matter specific to my body. you can probably synthesised similar sounds, but with the system you can produce a sound in few seconds, you don't need synthesis. 3_ I couldn't even play the pre-recorded sounds of the same gestures, 'cause gestures are different every time I perform. And therefore people will really notice. That's in the design. I'm not saying it's better, maybe it's a silly approach, but it's surely different. > > > there are many nuances, but I mentioned that as the text in Onyx's video > > read: "so that beatjazzers become as common as djs."? Do you really need > > cables everywhere, sensors, a mouthpiece with two guitar pickups, a > > smartphone stick to your forearm, etc.. to achieve such goal? > > Does he really need to stick to only the stated goal?? It's not an > academic presentation for the sole goal of proving a point about the > discourse of art. > Do you usually write statements that you don't want to stick to? > > > Hans, Onyx is playing mostly loops isn't he? How you know about the > > timing? We don't even know how much of what he's doing is really live, > > what is he triggering, if timing is controlled by a timeline or by his > > performance. > > Right. When every performance is potentially centred on a new, never-seen > instrument, who in the audience is actually competent to figure out which > elements are live and which ones are not?? > How can I know? that's why we are discussing here. And this point seem to being raised from other people on the list. It's quite a classical and still true issue with electronic music performance. And the future might be coming along when we will find a proper solution. > > > Please, correct me if I'm wrong. But I saw a lot of loops playing on a > > timeline and some solos parts possibly produced through the mouthpiece. > > Aren't we so unsure?? > You use too many negatives, made me confused :) > > -- Marco Donnarumma Independent New Media and Sonic Arts Professional, Performer, Instructor ACE, Sound Design MSc by Research (ongoing) The University of Edinburgh, UK ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Portfolio: http://marcodonnarumma.com Lab: http://www.thesaddj.com | http://cntrl.sourceforge.net | http://www.flxer.net Event: http://www.liveperformersmeeting.net

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Gemwin help patch
by Nicolas Montgermont 21 Jun '11

21 Jun '11

Hello all, I've seen the same gemwin help patch for many years, and i think it needed an update so i've worked on the version attached. My main concerns when designing it were: - fit to the gem help patch template - remove automatically sended parameters, as for example lighting 1. That was very confusing for beginners: they create the gemwin object, open the help patch, close it and then they can see nothing in their window cause they have no light but lighting activated. - explicit if the message must be send before or after the creation of the gemwin. - use only one gemwin object - limit the number of hidden geos I submit it to the community for critics, what is missing, what should be changed, updated? I have not change much of the text, maybe it needs also some editing. I have drawn a moving object cause i think it can be useful for FSAA demo or frame rate. Many of the design was in discussion with cyrille. I hope that will be useful, Nicolas -- http://nim.on.free.fr

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Pd-list June 2011