Pd-list June 2006

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138 participants
210 discussions

playback speed
by Chuckk Hubbard 30 Jun '06

30 Jun '06

A while back I posted that Pd was playing oscillators out of tune, by around 48000/44100 or 44100/48000 or something. Now I am finding that, on my home Windows system (set to 48000), which never gave me a problem, certain wav files play back at the wrong speed, slightly fast. Does this have something to do with the "header" mentioned in the readsf~ help? I have no understanding of this, or how to make it play the right speed. Does Pd have a way of overriding when it misinterprets the sample rate of the file? It seems to be something I have no control over. -Chuckk -- "Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -Theodore Roosevelt

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Tips and tricks wiki
by Frank Barknecht 30 Jun '06

30 Jun '06

Hi, I added a little wiki page for Tips and Tricks around Pd. http://puredata.info/docs/tutorials/TipsAndTicks So far only one trick (replacing objects with Perl) was added, but feel free to add more of mom's little helpers. Ciao -- Frank Barknecht _ ______footils.org_ __goto10.org__

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Re: [Pd] splitting Pd on two processors
by Urs Liska 30 Jun '06

30 Jun '06

Thanks IOhannes, that's what I wanted to hear during a few recent threads concerning dual core processors ;-) Urs IOhannes m zmoelnig schrieb: > Urs Liska wrote: >> For example: >> One computer running a complete pd instance with the gui and physical >> controllers, the other running a (-nogui) pd doing the "work", >> and both instances communicating via OSC. >> >> Would that work (well)? >> (well, this scenario would also make sense on Dual Core processors, >> isn't it?) > > definitely. > > we use such approaches for most of our CPU-hungry applications (like the > CUBEmixer), although we don't use OSC but netsend/netreceive: less > processing overhead involved at the cost of non-compatibility with other > appications > > we even use this on single-processor machines: the "number crunching" pd > -nogui runs with "-rt" and a quite low latency whereas the gui runs with > a lower priority. > whether the physical controllors are attached to the gui or to the dsp > is a matter of design. > > mfg.asdr. > IOhannes > -- Urs Liska GlÃŒmerstr. 5 D-79102 Freiburg www.graft-music.com www.suonomobile.de [Pd 0.39.2, WinXP]

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Still trying to grasp the zen mind (a generative piece) - now with source
by Cesare Marilungo 30 Jun '06

30 Jun '06

Hi, For what is worth, I've released the source of a generative piece made some months ago. It needs ZynAddSubFx (http://zynaddsubfx.sourceforge.net/) for the actual output sound. If you're on linux you can use jack to route the midi messages from pd to zyn. Just use a big buffer size for jackd to alleviate the cpu load. http://www.cesaremarilungo.com/music/zen_mind.php Temporary licence: just be kind. c. -- www.cesaremarilungo.com

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understanding block~
by glerm soares 30 Jun '06

30 Jun '06

Could I ask for some smart explanations about "block" dealing in PD? Seems to me that it's something about dsp "word"... Is It something like bitrate? Sorry If It's a dumb question, but I'm not sure I could understand it very well with docs nearby... Any single link should be appreciated... thanx a lot glerm

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splitting Pd on two processors
by Chuckk Hubbard 30 Jun '06

30 Jun '06

Some time back someone made reference to the fact that one could theoretically run wish and pd on two separate computers that were networked together. I logged this away but didn't ask anything. I'm wondering about specifics now. I'm considering buying a cheap old pc from ebay and putting Linux on it. I have WinXP, and tried Debian before on my 2nd hard drive, but it was a pain in the tuckus. So, my ideal situation would be to have one monitor, one keyboard, one mouse, and two towers. Maybe a switch for all the peripherals? I'm guessing I would have to have the monitor etc on whichever computer runs Wish. Is it possible to network a Linux box and a Windows, or will I have to reinstall Linux on my extra hard drive? Then, is it possible to operate Pd if the keyboard, etc are only on one computer? Thanks. -Chuckk -- "Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -Theodore Roosevelt

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Netsend a gemhead
by Peter Forde 30 Jun '06

30 Jun '06

Is it possable to netsend a gemhead???? To get around my 4 webcam bandwidth problem I am trying to connect two computers each running two webcams each. In the archive it says netsend "is only for non-signal data." Does this mean I'm out of luck???? Thanks

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[PD-announce] ANNOUNCE: pdmtl #21 (fwd)
by Mathieu Bouchard 30 Jun '06

30 Jun '06

---------- Forwarded message ---------- Date: Mon, 26 Jun 2006 16:20:50 -0400 (EDT) From: Mathieu Bouchard <matju(a)artengine.ca> To: pdmtl(a)artengine.ca Subject: ANNOUNCE: pdmtl #21 ,-o---------------------. | PUREDATA MONTRÉAL #21 | `-o---------------------' | .----------------------------. | Le samedi 1er juillet 2006 | | 13:00 à 17:00 | `-o--------------------------' | [t a a]-----. | | ,-o-----, ,-o---------------------------------------------------------, | $0 / | ; at Atelier RATs (atelier de Marc Fournel) / | \ | 6545, avenue Durocher, Espace 401 Montréal / `-o-----` | deux rues à l'ouest d'avenue du PARC \ | | juste au nord de Beaubien (voir plan en attachement) \ | `-----------------------------------------------------------` [t a a] | | | .-o-------------------------------------------------------------- | | FLORIAN GROND (ZKM, Germany) | | Performative science: Between science and media art | | | | Florian Grond, a researcher from Austria, will present the | | different approaches from the basic research group from the ZKM, | | Centre for art and media technology in Karlsruhe (Germany). | | In the basic research group, several people with different | | backgrounds (physicists, psychologists, programmers, chemists, | | new media artists) work together on topics like nonlinear complex | | systems and interface technologies. The results range from | | scientific research to media art installations. Some of the | | projects that will be presented are the audio visual installation | | SOL, visible and audible data from 22 years of the sun, | | INTERMITTENT, a generative audiovisual installation featuring | | nonlinear dynamics behavior, QUANTUM MIRROR, an interactive | | installation featuring some quantum effects, KOGNITION IM SPORT, | | a project together with high school students to enhance training | | situation of basket ballplayers, "_ZUR FORM" a future project | | with a tangible user interface. HILBERT_01 HILBERT_02, a project | | in progress about mapping questions from image theory. Further | | projects from the basic research institute, that can be be | | presented if times allows are the LIQUID PERCEPTRON and the | | EYEVISIONBOT. Questions and discussion are very much appreciated. | `-o-------------------------------------------------------------- | [t a a] | | | .-o-------------------------------------------------------------- | | MARC FOURNEL | | Volée | | | | Volée est une installation interactive performative et sonore en | | cours de production qui utilise trois cerfs-volants sur lesquels | | seront fixés des senseurs d'accélération sans fil à trois degrés | | de liberté contrôlés via un modem bluetooth RS232 de longue portée | | dont les paramètres de contrôle sont intégrés à PD. Les données | | fournies par les accéléromètres seront utilisées comme variables | | dynamiques d'algorithmes sonores programmés avec Pure Data. Les | | sons ainsi crées seront diffusés par un système audio à 4 voies. | | La production de Volée fera l'objet d'une résidence de production | | en juillet 2006 au centre AdMare <http://www.admare.org> situé aux | | Îles-de-la-Madeleine, Québec (Canada). L'intégration des senseurs | | d'accélération pour ce projet a été effectuée par Marc Lavallée. | | | | Plus d'info: http://ciam.dyndns.org/~mfco/fr/?q=vollee | `-o-------------------------------------------------------------- | [t a a] | | | .-o-------------------------------------------------------- | | PURE DATA CONVENTION 2007 | | Discussion de groupe sur la tenue de la convention 2007 | | à Montréal. Presentation du travail du comité | | Nuts&Bolts mis en place lors de pdmtl #20. | `-o-------------------------------------------------------- | ,-o-----, | ; pd / | quit \ `-o-----` _______________________________________________ PD-announce mailing list PD-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Puredance
by padawan12 29 Jun '06

29 Jun '06

Heather Corcoran and I have pretty much finished work on the Puredance project. The only copy I am maintaining is the MacOSX version which you can find here: http://www.obiwannabe.co.uk/projects_obiwannabe.html Puredance is a Pd "application" to allow Dance DJs to trigger samples live to a backing track using a dancemat input device connected by USB through the HID object. It's basically an 8 part polyphonic sampler and file player run by using your feet. Tomorrow on 29th June at Jongleurs, Bow Wharf, London E3 @ 6pm the system will be tested out in a live performance by a Puredance DJ crew. Ask heather(a)spacestudios.org.uk if you are interested to see this, there may still be tickets. Cheers, Andy

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derivative function
by Federico 29 Jun '06

29 Jun '06

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 is there an object to compute the derivative function of a signal? don't know if derivative is the right term.. i mean: f(x)=x => f'(x)=1 f(x)=ln(x) => f'(x)=1/x f(x)=sin(x) => f'(x)=cos(x) ... and a more question: has this anything to do with complex signals or fourier? thanks - -- Federico -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFEoCdyxlXK3KziJfcRAofaAKDWpeq0kjNvXCgmkuUKLNYBlRV1PwCgv9Tz VGqUUc/ZsEXE7St/l+u6Jwo= =1f1l -----END PGP SIGNATURE-----

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Pd-list June 2006