Pd-list November 2005

pd-list@lists.iem.at

143 participants
298 discussions

leaky noise patch
by hard off 23 Nov '05

23 Nov '05

why do i get leaky noise here??? patch is attached ....basically it's just a delay write and a delay read and then a [*~ ] object into the [dac~]...but for some reason, [*~ 0] does not stop the signal. this is not a bug report.. i think it's really funky... but i wanna know why the signal still leaks thru when you multiply it by 0.

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Re: PD-list Digest, Vol 8, Issue 108
by Koray Tahiroglu 22 Nov '05

22 Nov '05

Hello Hans, I just did a test run with your Pd0.38.4-extended-RC3.app release, I dont know if it is only related to my computer, but PD crashes each time when I try to load PDP library. I am running this version under OSX 10.4.2, G3 PowerBook. best, Koray. ----------------- M.Koray Tahiroglu Media Lab, University of Art and Design Helsinki, TaiK Hameentie 135C 00560 Helsinki Finland http://mlab.uiah.fi/~korayt/ http://purenoise.uiah.fi:8000/ tel: +358 40 754 8449 fax: +358 9 75630 555 On Nov 21, 2005, at 11:03 PM, pd-list-request(a)iem.at wrote: > > > Finally, I released another Pd-extended, but this one is quite > different. Its based on the cross-platform, cross-package build > system. Soon, I shall be releasing a Windows and Linux build based on > this as well. > > http://at.or.at/hans/pd/installers-0.38.4-extendedRC3.html > > Lots of changes, got the first complete(-ish) build with the new > extended build system. I left as much of the old functionality in > place > as possible, definitely were it was being used. But there are some > changes that break backwards compatibility, thought they should be > noticed by few, and be easy to fix going forward. > > Some highlights: > > * centralized patch system (packages/patches with targets patch_pd and > unpatch_pd) > > * libdir format: basically a libdir is a directory that has both the > objects and the help files together in one folder. It can be added > using -lib or the StartUp preferences, or you can access them via > geiger namespaces, i.e. [mylibrary/myobject]. > > * special characters allow in setup function/file names for objects. > This makes objects like [||~] possible without having to be in a > library. Now they can be either .pd files or individual .pd_darwin > files (thanks IOhannes for the patch). > > .hc > >

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[Newbie] Hello…
by Paul Sellis 22 Nov '05

22 Nov '05

Hi everybody ! I'm new to the list, and I am new to Pure Data too… So I am afraid to ask you very naive questions. I'd like to create patches to interact with videos in performances on stage (a realtime multistream composited image), and I am wondering what could be the best tool… On Macintosh Max/MSP or Pure Data seem to be the more powerfull softwares to manage that. Because Pure Data is free, I'd prefer to learn it, but could you tell me please if : - Pure Data is "more powerfull" than Max/MSP for video ? - Do I have to install extra libraries or extensions tu Pure Data to manage videos, stage lights, captors, etc… A full set to download somewhere ? - What advise could you give me to learn how to create multistream composited video patches ? A good tutorial for videos ?… Thank you for your patience ! PAul

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Re: [PD] PD Documentation/Curriculum Meeting
by B. Bogart 22 Nov '05

22 Nov '05

Hi Aymeric, I would like goto10 to be at this meeting for sure, when do you propose to change it to? One or two hours or more? For everyone else who would like to attend, is having the meeting a few hours later possible? It is certainly possible for me. Say +2 hrs? b. aym3ric wrote: > yo ben > > just came across this thread, > i think some of use would like to intend to this meeting but won't be > possible that early. is it possible to postpone ? > > B. Bogart said: > >>Hi Koray! >> >>Please post this on the workshops wiki so we have a record of all that >>is out there for materials. >> >>Looking forward to hearing your POV on tuesday, I'm not sure what the >>attendance will be like, but I've not seen anyone asking to reschedule. >> >>.b. >> >>Koray Tahiroglu wrote: >> >>>Hello Ben, >>> >>>I think it is a good idea to discuss and hear other experiences about >>>how PD should be thought both in workshops and in long term courses. I >>>have been organizing PD workshops in Helsinki since last year and I >>>just had the last one during the last week. I placed the exercises and >>>also students works at http://www.puredata.org/Members/korayt/ >>> >>>Today I will update the site with the other students' works from >>>previous workshops. We couldn't really have time to talk about this >>>during the Piksel, I remember the email you sent about the same subject >>>when you were in Helsinki and at that time I was not in Helsinki, so we >>>couldn't really talk about this, but I will be online on Tuesday. >>> >>>best, >>>Koray. >>> >>>------------------------ >>>M.Koray Tahiroglu >>>Media Lab, >>>University of Art and Design Helsinki, TaiK >>>Hameentie 135C 00560 Helsinki Finland >>>http://mlab.uiah.fi/~korayt/ >>>http://purenoise.uiah.fi:8000/ >>>tel: +358 40 754 8449 >>>fax: +358 9 75630 555 >>> >>> >>> >>> >>>>Message: 8 >>>>Date: Fri, 18 Nov 2005 17:38:56 -0500 >>>>From: "B. Bogart" <ben(a)ekran.org <mailto:ben@ekran.org>> >>>>Subject: [PD] PD Documentation/Curriculum Meeting >>>>To: PD list <pd-list(a)iem.at <mailto:pd-list@iem.at>> >>>>Message-ID: <437E5800.6090400(a)ekran.org >>>><mailto:437E5800.6090400@ekran.org>> >>>>Content-Type: text/plain; charset="iso-8859-1" >>>> >>>>Hello all, >>>> >>>>I'd like to set up a meeting for the discussion around the PD >>>>documentation. This is an especially interesting time considering the >>>>max vs pd thread on this list. >>>> >>>>Documentation includes: >>>>* Workshops (PD curriculum) >>>>* Help Patches (PDDP) >>>>* Manuals >>>>* How PD relates to networks and physical media >>>> >>>>Anything else that serves as newbie access to the world of Pure-Data+. >>>> >>>>When? >>>>----- >>>> >>>>Tuesday November 22nd @ >>>>9.00 Pacific Time >>>>12.00 Eastern Time >>>>17.00 UTC >>>>18.00 Central European >>>> >>>>Please let us know if you would like to make it but can't do that date. >>>>Miller can you make it? >>>> >>>>Where? >>>>------ >>>>#dataflow on irc.freenode.net >>>> >>>>Who should attend? >>>>------------------ >>>> >>>>Anyone who has taught a PD workshop. >>>>Anyone who has attended a workshop that they know could be improved. >>>>Anyone who would like to develop standards around how documentation >>>>works. >>>>Anyhow who wants to contribute to documentation or coding to make >>>>documentation better (pddplink etc..) >>>> >>>>Agenda: >>>>------- >>>>* What steps have been made? >>>> - Discussion about the wiki pages below. >>>> >>>> - Philosophy >>>> - How PD should be taught. >>>> - Rules for developing tutorials/workshops/curriculum >>>> >>>> - PDDP changes >>>> - Template for help-patches (ready) >>>> - Template for all_about (unchanged) >>>> - Template for tutorials (new) >>>> - Template for GUI elements >>>> >>>> - Programming (overlaps with pd-dev discussions) >>>> - Meta data for patches/tutorials/etc.. >>>> - "Help" menu >>>> >>>> - Structure of a future wiki to separate the different aspects of >>>>the >>>>project. >>>> >>>>This list is a starting point that runs over many of the Documentation >>>>issues. I don't think we'll figure out a lot of these things, just >>>>casting the net and trolling for ideas. There are other issues not >>>>mentioned here either. >>>> >>>>Required Reading: (Check out before you come!) >>>>----------------- >>>>* https://puredata.org/docs/workshops/FrontPage/ >>>>* https://puredata.org/Members/bbogart/PDWorkshops/ >>>>* https://puredata.org/Members/bbogart/PDDocumentationStructure/ >>>> >>>>Thanks all, hope to see you there. >>>> >>>>b. >>>> >>>> >>> >>> >>>------------------------------------------------------------------------ >>> >>>_______________________________________________ >>>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 >> > > > > -- > 320x200.goto10.org > >

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AMD64-dualcore benefits?
by Arie van Schutterhoef 22 Nov '05

22 Nov '05

Under consideration at Schreck is at the moment a general upgrade, for which one is a switch to new os/hardware. Question pondering: are there benefits for under Linux with the AMD64-dualcore? Have there been any experience with this? Quite curious... AvS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..................................................................... ` |Schreck Ensemble . . . . . . . . . . . . . . . . . . . . + ` |# -laboratory for live electro-acoustic music- # | | http://www.schreck.nl/ | | http://www.xs4all.nl/~schreck/ | ` *===========================================================++ ` |Compositions http://www.xs4all.nl/~schreck/html/compo.html | ` |Samples http://www.xs4all.nl/~schreck/html/samp.html | ` |Patches http://www.xs4all.nl/~schreck/html/pat.html | ` |Videos http://www.xs4all.nl/~schreck/html/video.html | ` |Scores http://www.xs4all.nl/~schreck/html/scores.html | *===========================================================++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....................................................................

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waveshaping with a lookup table (idiot question)
by james holden 22 Nov '05

22 Nov '05

hi all, i'm new here, and with pd generally. ive been doing my best not to ask too many idiot questions but here's the first.. i'm attempting waveshaping using a lookup table and tabread4~. my table contains a linear ramp at the moment. but: what i've noticed though is with a small table (100 points) i get a distortion that sounds like bit-depth reduction. it goes with a larger table. surely though, if tabread4~ interpolates this shouldn't happen? have i just made a buggy patch or is there a finer point i'm missing? thanks, james

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Pd-0.38.4-extended-RC3.app where are audio examples and fiddle~ object
by Jan Meinema 22 Nov '05

22 Nov '05

Hi all, I have installed Pd-0.38.4-extended-RC3.app on osx. Just wondering why the audio examples from the help menu are not showing. Also my the fiddle~ object is not recognised. Any ideas? Thanks, Jan Jan Meinema 6 Valley View Close Bath BA1 6TP B&NES janmeinema(a)mac.com

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Re: [PD] waveshaping with a lookup table (idiot question)
by Michael Berkowski 22 Nov '05

22 Nov '05

Greetings, A 4096 point table works well for limiting the prominence of artifacts when waveshaping with tabread4~. With a linear table that size, you will still hear a significant amount of distortion on a sine tone, but it will become much less noticeable with more complex input signals. Keep in mind though, that if your hope is to be able to draw a shaping function into the table with a mouse, you will have reduced the table size to the resolution of your monitor, throwing away lots of data. For this purpose, I've been thinking about building an abstraction to copy a hand-drawn table into a larger array, upsampling it with interpolation. Best, Michael Berkowski http://www.berkowski.net/ > Message: 1 > Date: Mon, 21 Nov 2005 22:19:08 +0100 > From: Frank Barknecht <fbar(a)footils.org> > Subject: Re: [PD] waveshaping with a lookup table (idiot question) > To: pd-list(a)iem.at > Message-ID: <20051121211908.GB12197(a)fliwatut.scifi> > Content-Type: text/plain; charset=us-ascii > > Hallo, > james holden hat gesagt: // james holden wrote: > >> what i've noticed though is with a small table (100 points) i get a >> distortion that sounds like bit-depth reduction. it goes with a larger >> table. surely though, if tabread4~ interpolates this shouldn't happen? > > Even with interpolation you can get these kinds of artifacts, so I'd > recommend using a bigger table. RAM is cheap. Generally it's starts to > be fun at 512 and above. > > Ciao > -- > Frank Barknecht _ ______footils.org_ __goto10.org__

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Re: [PD] Re: multiblob tracking in pd?
by Chris McCormick 21 Nov '05

21 Nov '05

On Fri, Oct 07, 2005 at 12:01:09PM +0200, pd-list-request(a)iem.at wrote: > Date: Fri, 7 Oct 2005 10:09:42 +0800 > From: Chris McCormick <chris(a)mccormick.cx> > Subject: Re: [PD] Re: multiblob tracking in pd? > To: patrick <patrick(a)11h11.com> > Cc: pd-list(a)iem.at > > On Thu, Oct 06, 2005 at 02:38:06PM -0400, patrick wrote: > > i was about to include liblo (http://plugin.org.uk/liblo/) to artoolkit. > > since i'm really new to programmation i would like to see your code as an > > example! do you use vloopback to have v4l in gem and in artoolkit? > > The code is currently on a PC in the installation space which I > forgot to back up in the mad rush to get it working, so I'll have to > nip in there later today and put it on a USB drive. I'll put it up on > http://mccormick.cx/code/argraf/ at some point later today. Yo I finally put this up on the net. Should be trivial to modify arudp.c to communicate with puredata (just add a semicolon to the end of the data send). This publishes information gathered from ARToolkit to a udp socket. http://mccormick.cx/dev/argraf/ Best regards, Chris. ------------------- chris(a)mccormick.cx http://mccormick.cx

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Pd-0.38.4-extended-RC3.app Released
by Hans-Christoph Steiner 21 Nov '05

21 Nov '05

Finally, I released another Pd-extended, but this one is quite different. Its based on the cross-platform, cross-package build system. Soon, I shall be releasing a Windows and Linux build based on this as well. http://at.or.at/hans/pd/installers-0.38.4-extendedRC3.html Lots of changes, got the first complete(-ish) build with the new extended build system. I left as much of the old functionality in place as possible, definitely were it was being used. But there are some changes that break backwards compatibility, thought they should be noticed by few, and be easy to fix going forward. Some highlights: * centralized patch system (packages/patches with targets patch_pd and unpatch_pd) * libdir format: basically a libdir is a directory that has both the objects and the help files together in one folder. It can be added using -lib or the StartUp preferences, or you can access them via geiger namespaces, i.e. [mylibrary/myobject]. * special characters allow in setup function/file names for objects. This makes objects like [||~] possible without having to be in a library. Now they can be either .pd files or individual .pd_darwin files (thanks IOhannes for the patch). .hc ________________________________________________________________________ ____ http://at.or.at/hans/

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Pd-list November 2005