Pd-list March 2011

pd-list@lists.iem.at

139 participants
209 discussions

type casting for pix_film
by sonia yuditskaya 20 Mar '11

20 Mar '11

Dear List, I am trying to make a video mixing type patch and am recording videos and naming them based on numbers spat out by the [time] object at the time of recording. Then I want to recall them for play back with something like [time] [][-2][] [set open $1.mov( and pipe that to pix_film, but pix_film tells me: error: [pix_filmDarwin]: unable to find file: ÿ﾿AK I can see its a type casting issue but from what to what? sorry if this is completely obvious and thank you for your attention, Sofy

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[PD-announce] NYC Patching Circle next Sunday 3/27, 6-9pm
by Hans-Christoph Steiner 20 Mar '11

20 Mar '11

Join us at NYC Resistor next Sunday, this month we have William Brent (http://williambrent.com/ ) in town joining us. He's written the timbreID library for extracting detailed info from audio, as well as some video tracking objects for Gem, and of course uses them in his artistic works. http://puredata.info/community/NYCPatchingCircle We spend enough time alone staring at our computers; we are proposing to work together. So often issues that arise when working can be solved with a quick two minute discussion that would take hours to solve alone. We have Dorkbot to see people's work, we have Share where anyone can play, we have workshops and universities to learn from. This is a meeting where we all can come to work. This is an informal gathering of patching and patchers (Pd, Max/MSP/ Jitter, and even vvvv, Eyesweb, Labview, etc.). Beginners and Experienced welcome. Open to everyone, students, the public, etc. 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. Sunday 3/27, 6-9pm Free! Directions ---------- NYC Resistor, http://www.nycresistor.com/ 87 3rd Avenue, (between Bergen and Dean) 4th Floor Brooklyn, NY 11217 Tel. +1.347.850.4872 or +1.347.586.9270 2/3/4/5/B/D/Q/N/R to Atlantic/Pacific LIRR to Atlantic Terminal F/G to Bergen _______________________________________________ Pd-announce mailing list Pd-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Re: [PD] New video - muscle sounds and DIY biosensing wearable technology
by Marco Donnarumma 19 Mar '11

19 Mar '11

Thanks for the feedback Richie, much appreciate. There's a bunch of processing chains which, overall, include these DSP objects: - pitch shifting - biquad bandpass filtering + reverb + pshift (uses RjLib beequad~ ) - a rt granulator - a granular delay (uses Soundhack [+bubbler~]) - two delays (one of them uses Soundhack [+pitchdelay~]) - a rt time-stretcher - a cos pan However, the most interesting aspect to me is not much about the DSP techniques, but focuses on the mapping of the kinetic energy to control data. It's an interesting study, which requires further exploration. Part of the final research outcome is to release the Pd framework and the related lib I'm developing. There's still much to do though! > I love it Marco, Are you granulating the muscle sounds? I hear reverb and > delay... Just wondering about your DSP techniques. > > Beautiful and novel work. Thank you. > > On Fri, Mar 18, 2011 at 4:11 AM, Charles Goyard <cg(a)fsck.fr> wrote: > > > Hi, > > > > > > Marco Donnarumma wrote: > > > The project include a low cost (wearable biophysical sensors), Open > > Source > > > based (Linux + Pure Data) framework for the application of muscle > sounds > > to > > > biophysical generation and control of music. > > > > Sounds interresting, but do you have some raw microphone output? So we > > can appreciate the relationship between the muscle *sound* and the > > output you give through pd. > > > > Cheers, > > > > -- > > Charlot > > > > _______________________________________________ > > Pd-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > -- 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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Cool Sequencer
by Cody Loyd 19 Mar '11

19 Mar '11

I thought of something today.. I am confident that I'm not the first to have done this, but I thought it interesting and useful enough to share. It is a very basic sequencer that has different programmable 'phrases' that you can switch between. I have included a toggle to turn on automatic (random!) switching of the phrases. Personally this concept is going to be very very useful to me, and I'm proud that I thought of it on my own. So, what do you think? PLEASE PLEASE share any improvements that you might have to this design :) ENJOY! Cody

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Re: [PD] Toughts on PD vs. Max stability on macintels on analogindustries.com
by Peter Kirn 19 Mar '11

19 Mar '11

Re-posting as my previous post got scrubbed - sorry, Thunderbird is convinced Pd-list archives are rich HTML. Doh. ;) Anyway, I understand now - Chris is complaining generally about stability, not about vst~. It's troubling, but he's not going into specifics, so it's hard to know how to respond. I am genuinely curious about what's causing his troubles; I suspect it isn't his imagination, so that makes me wonder what the cause is. As for the UI - well, I think everyone's aware of the situation there. For audio interface setting persistence, I see that is now improved in Pd-extended; don't know if that's a patch worth making to Vanilla. It's a question that comes up a lot, and I don't know enough about the state of that feature, but I'd be curious to know. Peter

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Re: [PD] The economics of Open source
by Peter Kirn 19 Mar '11

19 Mar '11

> Specifically, the *only* function missing from the non-donation OSX > version of Ardour is support for AudioUnit plugins on the Mac. I have > no problem with the Ardour model of distribution, and AFAIK you can > still use your package manager in almost any Linux distro to avoid > even being asked to help support development. Ardour is one of the > best things coming out of the world of free software for audio > production happening right now, and is well worth any support you can > give. I just want to clarify this Ardour stuff since it keeps coming up. Paul David wrote in comments on CDM recently: " this is not 100% true. For the OS X prebuilt versions, if the inflow of cash for the month is low (I typically wait till the 15th, and if its not 50% of the goal, there’s typically going to be a problem …), then I disable the “pay nothing” download. This flips back at the end of the month. However, none of this changes the basic fact that you never *need* to pay for Ardour, since the source code is always available for free at all times. The work involved in creating a working binary, however, especially on OS X, might give you pause to realize that paying something for the prebuilt version is a good deal. this is not 100% true. For the OS X prebuilt versions, if the inflow of cash for the month is low (I typically wait till the 15th, and if its not 50% of the goal, there’s typically going to be a problem …), then I disable the “pay nothing” download. This flips back at the end of the month. However, none of this changes the basic fact that you never *need* to pay for Ardour, since the source code is always available for free at all times. The work involved in creating a working binary, however, especially on OS X, might give you pause to realize that paying something for the prebuilt version is a good deal." So, talking points: 1. Pre-built Mac OS X versions are available for download free. A bit like a public radio pledge drive here in the US, the free download is delayed each month to encourage donations. 2. It is not correct to say, even on a day when that binary is behind a paywall, that Ardour is not free as in beer. You can indeed build from source - afaik including with the AU support - it's just a pain; see above. 3. All Ardour downloads for Linux are available free of charge, full stop. It's in most repositories, and incidentally, on distros like Fedora and Ubuntu those are generally the best, latest stable build. I'm not necessarily endorsing the same model for Pd, but it's worth observing. And the larger music community does need to get the message that freedom isn't free, as it were. I love the donationware project idea; if there's one that fits our community, I'd be happy to promote it on createdigitalmusic. And while it's not entirely ready for primetime yet, I'd love to see more libpd projects that are themselves under a free license but use app store (lowercase) distributions to charge money. In fact, as far as I know you can still GPL a patch for an iOS project, for instance, just not the surrounding code. You can GPL the whole thing on Android. I know Paul hasn't himself been entirely enthusiastic about donationware on Ardour; having a distribution outlet that explicitly charges is likely to be less confusing to users, where appropriate. And these outlets are proliferating, and not always with the kind of restrictions Apple has imposed. (Who knows, maybe someday the Ubuntu Store will be ready for primetime.) Peter

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memento crashing in Pdextended 0.42-5 Ubuntu 10.10
by John Harrison 19 Mar '11

19 Mar '11

Memento crashes Pdextended 0.42-5 on Ubuntu 10.10. Steps to reproduce: - open 5-tut.pd (in /usr/lib/pd-extended/extra/memento/manual) - try to interact with the patch/tutorial in any way as instructed in the patch I got pool as a binary from here: http://grrrr.org/ext/beta/linux/pd/ -- John

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expr family bug?
by Moritz Schell 19 Mar '11

19 Mar '11

Hey Folks, I have a strange problem using the [expr] object: I wrote an expr with If-arguments in it to range values. First I tried it with 5 lines of If-arguments an everything worked fine. Than I tried to get more If-arguments into the expr to get better results BUT after 9 if-arguments everything crashes: Pd closes immediatly and when I reopen and try to change something in the expr Pd crasches again. Even if I try to erase lines out of the expr -> CRASH... I tried it on other Computers with the same result... I'm quite confused... Are the Objects limited to a specific number of signs/rows/arguments? Any ideas? By the way: I'm using Pd 0.42.5-extended I added two examples with 5 lines and 9 lines of if-arguments... Thanks for any help!!! best regards moritz

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Re: [PD] The economics of Open source
by Derek Holzer 18 Mar '11

18 Mar '11

Specifically, the *only* function missing from the non-donation OSX version of Ardour is support for AudioUnit plugins on the Mac. I have no problem with the Ardour model of distribution, and AFAIK you can still use your package manager in almost any Linux distro to avoid even being asked to help support development. Ardour is one of the best things coming out of the world of free software for audio production happening right now, and is well worth any support you can give. Best, Derek On 3/18/11 3:17 PM, ailo wrote: > On 03/18/2011 01:39 PM, Pierre Massat wrote: >> They're saying that some functionalities are missing if you don't pay. > > No functionalities are missing to my knowledge. '

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Re: [PD] New video - muscle sounds and DIY biosensing wearable technology
by Marco Donnarumma 18 Mar '11

18 Mar '11

Thanks Charlot, sure, you can listen to the raw output in this post on my research blog: http://bit.ly/hWOml0 It sounds like a far thunder, a very low rumble. In the video I shared, the lowest frequency you can hear are the ones which most closely resemble the raw output. They are pitchshifted of about only 20Hz to make them more easily audible and give them a denser body. Raw output sits between 20Hz and 40/45Hz. Even though also infra-sounds are integral part of the MMG signal. cheers, M > Marco Donnarumma wrote: > > The project include a low cost (wearable biophysical sensors), Open > Source > > based (Linux + Pure Data) framework for the application of muscle sounds > to > > biophysical generation and control of music. > > Sounds interresting, but do you have some raw microphone output? So we > can appreciate the relationship between the muscle *sound* and the > output you give through pd. > > Cheers, > > -- > Charlot > -- 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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Pd-list March 2011