Pd-list March 2011

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139 participants
209 discussions

Re: [PD] List delete carnage - 2 questions
by Matt Barber 31 Mar '11

31 Mar '11

Here's another approach using only list abs stuff (sorry for the messy -- I threw it together quickly). Could use as an abstraction with two inlets -- one on the right which receives a bang to initialize and one on the left that takes incoming numbers from the sensor, and one outlet (the outgoing numbers). Matt > > Hey Charlot, > > > Yes, that seems a good approach. > > Will try in a few hours with a bit more time. > > "You did not sew it solid enough it seems:)." > > Definitely dropped a few stitches with this one:) I try to re-attach. > > (btw - what is up with gmail and attachments atm?) > > > All good wishes, > > Julian > > On 27 March 2011 02:07, Charles Goyard <cg(a)fsck.fr> wrote: > >> J bz wrote: >> > >> > I have a sensor which is spitting out numbers between 1-180. >> > >> > Each number triggers an event that I only want to happen once but the >> sensor >> > repeats numbers every so often. >> >> You can use a table of 180 elements, each of which is initialized with >> zeros. When a sensor number occurs, check against the table. If it's 0, >> turn it to 1 and go on. If it's 1, do nothing and wait for a fresh >> number from the sensor. Or, if you don't want to wait, scan the >> table for the first zero. What appends when there's no zeros left is up >> to you. >> >> > (patch attached) >> >> You did not sew it solid enough it seems:). >> >> -- >> Charlot >>

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Get list of a the arguments of a patch without using any external?
by Alexandre Quessy 31 Mar '11

31 Mar '11

Hello everyone, I was wondering if there is a way in pure-vanilla Pd to retrieve the list of arguments of an abstraction. I use zexy's [dollarg] for this, but I'm making an effort to see if I can use Pd vanilla only for some abstractions. Is there a way to do this in Pd vanilla? Thanks, -- Alexandre Quessy http://alexandre.quessy.net/

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[PD-announce] Tamuke - Offerings for Japan - Montreal
by Michal Seta 30 Mar '11

30 Mar '11

Please forgive x-posts. 手向け TAMUKE Offrandes pour le Japon / Offerings for Japan April 1, 2011 from 8PM to 3AM SAT, 1201, Boulevard Saint-Laurent Open Call to all Laptop/iPhone Musicians in Montréal Bring Your Own Laptop Orchestra matralab (Hexagram Concordia) in collaboration with the SAT (Société des arts technologiques) is organizing an artistic response to the disasters in Japan (see the website for more info http://matralab.hexagram.ca/tamuke/). The event will take place this friday at the SAT, 1201, Boulevard Saint-Laurent in Montréal. Around midnight we would open the stage for all Laptop/iPhone musicians to come together and create a collective sound work, led and inspired by Eldad Tsabary, founder and director of the Concordia Laptop Orkestra (CLOrk). Over the past weeks, matralab (Concordia University) has collected some news audio footage from the disasters with the goal of creating an audiowave representing the mayhem that occurred when the tsunami hit Japan. We invite you to bring your laptop/iPhone and your own portable speakers/amplifiers ! Come latest at 11pm. At the SAT, you will be able to download the audio files of the disaster from a local server. Everyone is welcome to interpret, mashup, remix, livecode, or play back those materials with their software of preference. We would prefer if you used MAINLY these materials. At 11:45pm, Eldad Tsabary will give a short and simple intro into his laptop conducting technique, so that the sounds coming from all of you can be coordinated in some way by visual signs. At midnight, you will all go to the stage and perform together for 30 min. Please feel free to forward this announcement to anyone who may be interested. And come yourself, of course. And please sign-up by e-mail to japan.vigil(a)gmail.com just so we can estimate how large the BYOLaptop Orchestra will be. -- Michal Seta Tech coordination TAMUKE Project 514.575.9243 _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] pd latency on puredyne 9.10 with Nvidia HDA
by Billy Stiltner 30 Mar '11

30 Mar '11

On 3/28/11, yvan volochine <yvan.pd(a)gmail.com> wrote: > On 03/28/2011 01:22 AM, Billy Stiltner wrote: >> I actually tried a smaller patch on both ubuntu studio 10.10 as well >> as puredyne 9.10. >> On both systems the audio was flawless using a 6ms buffer in pd. >> >> So there is nothing wrong with my audio setup. >> >> But still the larger patch that runs fine on windows with 50ms buffer >> will not run without glitching with jack on either linux system. >> >> There is a difference in gem's default video codec between linux and >> windows. However I have tried the patch without even loading gem. >> >> What else could be the difference between linux and windows with pd? > > not with pd but there certainly are some differences in how the OS > handles your hardware. > IIUC you're getting into troubles as soon as the graphics are involved > in your patch ? your internal soundcard is Nvidia as well as your > graphic card, therefore my idea of trying with an external soundcard so > Nvidia chip takes care of graphics only (not sure if that makes sense, > coffee mode here). > anyway, I wouldn't trust Nvidia for anything else than graphics but > maybe that's just me.... > > 0.02 € > _y > yvan, thanks for the suggestion. I will have to try that. I noticed that both my sound card and SATA controller are both on IRQ 23 with Puredyne. This is not so with windows. Possibly this explains the problem. Allthough the glitching occurs when no file writing is happening the patch does prepare some files to be written to at startup. The SATA controller is managed by Nvidia as well as the sound card. The audio chip(realtek) is separate from the Video and pci controller. I have not seen mention of the Realtek drivers for linux. So I will try to find out how to get Linux to use a differen't IRQ for the SATA controller and see if that does the trick. I don't think the BIOS allows for manually setting the IRQs of PCI devices but does offer the reserving of IRQs or assigning them to ISA devices. This discussion is getting off topic of PD but I would really like to use PD with Linux on this machine. I'm probably better off deleting the linux partitions though.

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Gem Stereo Imaging
by Raffael Seyfried 30 Mar '11

30 Mar '11

Hi List I have a question concerning the Stereo Imaging capabilities in Gem. In two weeks I do the visuals on a party and I've written a patch with some animations. The idea was to do those projections in a simple form of 3d-Vision as a little gimmick, nothing too fancy though. My question is: Does anyone of you have expierience with this? More importantly is there a way to project the visuals in red/cyan? That's what the 3d-Glasses merchant told me would work best. I only found a red/green stereo mode in pure data, which he told me would only work with black and white animations. Thanks Raffael

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libpd on openwrt
by Charles Goyard 30 Mar '11

30 Mar '11

Hi, this could be of use : charles@tip ~/w/old/openwrt/linksys/backfire_10.03$ file build_dir/target-mipsel_uClibc-0.9.30.1/libpd-0.1/libs/libpd.so build_dir/target-mipsel_uClibc-0.9.30.1/libpd-0.1/libs/libpd.so: ELF 32-bit LSB shared object, MIPS, MIPS32 version 1 (SYSV), dynamically linked, not stripped Well, it compiles, but I did not yet installed it on a openwrt device. If it works it could be a lot of fun :). I'll tell you how it goes, when I have time. cheers, -- Charlot

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[PD-announce] Pure Data Workshop in Los Angeles, 2011-04-28
by Hans-Christoph Steiner 29 Mar '11

29 Mar '11

> On Mar 29, 2011, at 2:13 AM, Theron Trowbridge wrote: > >> We are in the process of finalizing our plans for the pd-LAunch >> week (4/25-4/30) in Los Angeles and are pleased to announce that on >> Thursday, April 28th at 7:30 pm, Hans-Christoph Steiner will be >> teaching a workshop at CRASHspace on using Pure Data for >> interactive audio creation. >> >> >> Starting with Realtime Audio/Video Interaction >> >> Pd provides a wide range of tools for tracking and extracting >> information from audio in realtime. Once in Pd, we can use the >> audio to control sound generation, effect, video, camera >> processing, etc. The combination of audio processing and digital >> media provide myriad opportunities for creating interactions. This >> workshop will introduce how to create real-time interaction in the >> physical world with sound and light. Pd (aka Pure Data) will be >> introduced as a simple programming environment for real-time >> interaction. This workshop will be a combination of short >> lectures, hands-on instruction, and unstructured time to work on >> learning and exploring with support of the instructor. While Pd is >> fairly easy to learn and designed for artists, familiarity with >> basic computer programming will be very beneficial. You will be >> able to apply the concepts learned in this course to a wide range >> of programming environments that can receive data via OSC messages >> or a network socket, such as Arduino, Flash, Processing, etc. >> >> Students are also encouraged to bring additional hardware and/or >> tools they are interested in working with, as long as they are >> technically self-sufficient with them. Bring MIDI equipment, >> projectors, etc. to experiment with realtime control. Bring an >> Arduino with Firmata plus servos or motor controllers to experiment >> with motion. Or accelerometers, rotary sensors; flex sensors, etc. >> to experiment with sensing motion. >> >> Students will need a laptop with Pd-extended installed and working >> (download for free from http://puredata.info) - it is available for >> Linux, Mac OS X, and Windows. The laptop needs to have a >> microphone and speakers. >> >> Space is limited. Cost is $60. Sign up in the CRASHspace store: http://store.crashspacela.com/index.php?main_page=product_info&cPath=2&prod… >> >> CRASHspace is located at 10526 Venice Blvd, Culver City CA 90232. >> >> >> -Theron >> ^ >> > _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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[PD-announce] Workshop: Xth Sense – biophysical generation and control of music, NK Berlin
by Marco Donnarumma 29 Mar '11

29 Mar '11

April 6, 7, 8 2011 11:00-19:00 Xth Sense – biophysical generation and control of music @NK Elsenstr. 52/ 2.Hinterhaus Etage 2 12059 Berlin Neukölln DAY 1 – 7 hours Introduction to the Xth Sense technology – 2h • Capabilities and scope of the framework • Technical overview • Understanding different musical and performance outcomes Building your own Xth Sense biosensor – 5h • Cutting, soldering your own muscle sensor circuit • Building a wearable hardware • Refining the final device DAY 2 – 7 hours Using the Xth Sense Digital Signal Processing system (Pure Data-based) – 3h • The Pd language • Pd tips & tricks for live performances • Xth Sense software: learning how to use the graphical interface • Xth Sense software: playing around with audio modules and DSP chains • Xth Sense software: storing and recalling global preset scenes Plug yourself in! Wearing the biosensors and communicating with the DSP application – 4h • Exploring muscle sounds design capabilities • Mapping kinetic energy to control values • Experimenting with real time muscle sounds audio processing • Controlling real time processing of traditional instruments with gestures and kinetic energy • Brainstorming ideas for the final projects DAY 3 – 7 hours Creating a performance – 4h • Theoretical insights on bodily musical performance • Reviewing audiovisual documentation of relevant performance projects • Designing your sonic vocabulary • Establishing data mapping definitions • Planning the format of the performance Performance testing – 3h • Testing your system • Fixing the application and refining the interaction What The workshop offers an hands-on experience and both theoretical and practical training in gestural control of music and bodily musical performance, deploying the brand-new biosensing technology Xth Sense. Developed by the workshop teacher Marco Donnarumma within a research project at The University of Edinburgh, Xth Sense is a framework for the application of muscle sounds to the biophysical generation and control of music. It consists of a low cost, DIY biosensing wearable device and an Open Source based software for capture, analysis and audio processing of biological sounds of the body (Pure Data-based). Muscle sounds are captured in real time and used both as sonic source material and control values for sound effects, enabling the performer to control music simply with his body and kinetic energy. Forget your mice, MIDI controllers, you will not even need to look at your laptop anymore. The Xth Sense biosensor was designed to be easily implemented by anyone, no previous experience in electronics is required. The applications of the Xth Sense technology are manifold: from complex gestural control of samples and audio synthesis, through biophysical generation of music and sounds, to kinetic control of real time digital processing of traditional musical instruments, and more. How Firstly, participants will be introduced to the Xth Sense Technology by its author and led through the assembling of their own biosensing wearable hardware using the materials provided. Next, they will become proficient with the Xth Sense software framework: all the features of the framework will be unleashed through practical exercises. Theoretical background on the state of art of gestural control of music and new musical instruments will be developed by means of an audiovisual review and participatory critical analysis of relevant projects selected by the instructor. Eventually, participants will combine hardware and software to implement a solo or group performance to be presented during the closing event. At the end of the workshop, participants will be free to keep the Xth Sense biosensors they built and the related software for their own use. Perspective participants The workshop is open to anyone passionate about sound and music. Musical background and education does not matter as long as you are ready to challenge your usual perspective on musical performance. Composers, producers, sound designers, musicians, field recordists are all welcome to join our team for an innovative and highly creative experience. No previous experience in electronics or programming is required, however participants should be familiar with digital music creation. Participation is limited to 10 candidates. Preregistration is required and can be done by sending an email to info(a)nkprojekt.de Requirements and further info Participants need to provide their own headphones, soundcards and laptops with Pd-extended already installed. Free download is available at http://puredata.info/community/projects/software/pd-extended Musicians interested in augmenting their favourite musical instrument by means of body gestures are encouraged to bring their instrument along. More information about the Xth Sense and a video of a live performance can be viewed on-line at http://res.marcodonnarumma.com/projects/xth-sense/ http://marcodonnarumma.com/works/music-for-flesh-ii/ <http://marcodonnarumma.com/works/music-for-flesh-ii/> http://marcodonnarumma.com/teaching/ Dates 6-7-8 April, 11.00-19.00 daily (6 hours sessions + 1 hour break) Fee EUR 90 including materials (EUR 15). Contact Marco Donnarumma m(a)marcodonnarumma.com http://marcodonnarumma.com -- NK PROJEKT http://www.nkprojekt.de/ Elsenstr. 52/ 2.Hinterhaus Etage 2 12059 Berlin Neukölln 0049(0)17620626385 -- 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 _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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[PD-announce] patch dans patch (5ième partie)
by Mathieu Bouchard 29 Mar '11

29 Mar '11

http://gridflow.ca/gallery/patch_dans_patch_l.png http://gridflow.ca/gallery/patch_dans_patch_m.png http://gridflow.ca/gallery/patch_dans_patch_n.png http://gridflow.ca/gallery/patch_dans_patch_o.png http://gridflow.ca/gallery/patch_dans_patch_p.png http://gridflow.ca/gallery/patch_dans_patch_q.png http://gridflow.ca/gallery/patch_dans_patch_r.png http://gridflow.ca/gallery/patch_dans_patch_s.png http://gridflow.ca/gallery/patch_dans_patch_t.png http://gridflow.ca/gallery/patch_dans_patch_u.png _______________________________________________________________________ | Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Pure Data Workshop 2011-04-28
by Theron Trowbridge 29 Mar '11

29 Mar '11

We are in the process of finalizing our plans for the pd-LAunch week (4/25-4/30) in Los Angeles and are pleased to announce that on Thursday, April 28th at 7:30 pm, Hans-Christoph Steiner will be teaching a workshop at CRASHspace on using Pure Data for interactive audio creation. Starting with Realtime Audio/Video Interaction Pd provides a wide range of tools for tracking and extracting information from audio in realtime. Once in Pd, we can use the audio to control sound generation, effect, video, camera processing, etc. The combination of audio processing and digital media provide myriad opportunities for creating interactions. This workshop will introduce how to create real-time interaction in the physical world with sound and light. Pd (aka Pure Data) will be introduced as a simple programming environment for real-time interaction. This workshop will be a combination of short lectures, hands-on instruction, and unstructured time to work on learning and exploring with support of the instructor. While Pd is fairly easy to learn and designed for artists, familiarity with basic computer programming will be very beneficial. You will be able to apply the concepts learned in this course to a wide range of programming environments that can receive data via OSC messages or a network socket, such as Arduino, Flash, Processing, etc. Students are also encouraged to bring additional hardware and/or tools they are interested in working with, as long as they are technically self-sufficient with them. Bring MIDI equipment, projectors, etc. to experiment with realtime control. Bring an Arduino with Firmata plus servos or motor controllers to experiment with motion. Or accelerometers, rotary sensors; flex sensors, etc. to experiment with sensing motion. Students will need a laptop with Pd-extended installed and working (download for free from http://puredata.info) - it is available for Linux, Mac OS X, and Windows. The laptop needs to have a microphone and speakers. Space is limited. Cost is $60. Sign up in the CRASHspace store: http://store.crashspacela.com/index.php?main_page=product_info&cPath=2&prod… CRASHspace is located at 10526 Venice Blvd, Culver City CA 90232. -Theron ^

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Pd-list March 2011