Pd-list June 2006

pd-list@lists.iem.at

138 participants
210 discussions

qlist & patch window size
by Achim Bornhoeft 09 Jun '06

09 Jun '06

Hello, I'm using PD 0.39.2 on a MAC 10.3.9 System. Is there any possibility to execute a specific line in a qlist file? Is it possible to prevent a patch window from automatic increasing which happens after several successive save and open actions? Thanks for help, Achim

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opengl in gem...
by Andres Ferrari 09 Jun '06

09 Jun '06

hello, is possible to use glu and glut libraries with gem??? thanks a lot. AndrÃ©s Ferrari G. http://puredata.org/Members/anfex __________________________________________________ Correo Yahoo! Espacio para todos tus mensajes, antivirus y antispam Â¡gratis! RegÃstrate ya - http://correo.espanol.yahoo.com/

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prepend & pd-0.39.2-extended-test4.exe
by Damian Stewart 09 Jun '06

09 Jun '06

i have an issue with prepend with pd-0.39.2-extended-test4 on winxp - i get 'iem_prepend_kernel ... couldn't create' in the main pd window. i notice this has been a problem for a while (it's mentioned in 0.38-extended tests) - any word on it? -- f r e y live music with computers http://www.frey.co.nz

2 1

socket programming for netreceive
by PSPunch 09 Jun '06

09 Jun '06

Hello, I am trying to create some PHP scripts which sends variables to the "netreceive" object box. My initial goal is to make a web page which, 1) parses posts 2) makes a socket connection to the port where PD awaits. 3) sends variables to be caught by netreceive. With my limited understanding of C/C++, I could not figure out from the source code weather there is a specific format the variables have to be sent in. Could I please get some advise or pointers on how to send variables to the netreceive box ? >From the fact that "netreceive" accepts UDP, I am assuming there is no complicated negotiation involved. I'd appreciate any help. -- David Shimamoto shima(a)pspunch.com

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CPS vs PD - experiences?
by Damian Stewart 08 Jun '06

08 Jun '06

i'm developing an installation for a public-access augmented table educational interface. i'd like to use pd bu i'm not sure about its long-term stability. previously the place i'm working has used cps (http://cps.bonneville.nl/) - i'm wondering, has anyone here had any experiences with cps? could they recommend it/or not? or pd for that matter - how reliable might pd be in an 8 hrs a day 7 days a week installation 500km away from where i live? would using pd here be a dumb idea? -- f r e y live music with computers http://www.frey.co.nz

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multispeaker sculpture interface via pd
by Kevin McCoy 08 Jun '06

08 Jun '06

Hello all, I am assisting a professor right now with building a multi-speaker programmable "grid" where sound events can be triggered at certain locations on the grid and programmed in various configurations, controlled (hopefully) from Pd. The model right now involves two large metal frames where speakers will be hung in different shapes and clusters. We are looking to create a sort of "organism" structure that will allow the piece to react to itself based on parameters set up in Pd - microsound sort of self-sustaining structures and sound models are of great interest to us. We're in the phase right now of gathering information about what we will need to build this - I'm assuming some kind of interface (sound card?) with multiple outs for each "cluster" of speakers on the grid, but is there another way we could do it and still make it fully programmable? We have experience with electronics as well, so we could conceivably build an interface if anyone knows of available schematics or ideas. Environment will be Linux, preferably. I would really like to avoid purchasing a USB sound device as I hear that many of them don't do very well with Linux, but in the event that we do need to do this, can anyone recommend a good one supported under Linux? Also, are there other artists doing similar things? Any info at all is MUCH appreciated. We are excited to be using Pd and other freedom software for this. Thanks, Kevin

2 1

RE: [PD] triggering a linear ramp with a signal
by padawan12＠obiwannabe.co.uk 08 Jun '06

08 Jun '06

Units which you might find useful are [env~] and [bonk~] The [env~] unit returns the RMS level of the current audio block, which may be followed with a comparator. [bonk~] is far more sophisticated, returning a float representing the weighted spectral change of the input according to a template or accumulated profile. It's used specifically for realtime beat detection. In both cases the result is a control rate message (bang or float) which can be used to fire off a new message, either explicit or by dollar substitution, to create your ramp. >dear list members, > >i am currently porting some max granular patch of mine to pd, >where one object gives me some trouble. i am now looking for the >function in pd of triggering a linear ramp with a audio signal (resp. >click), with the ability of controlling the speed of the ramp also >with a signal. i know that there is an rampsmooth port, but this one >takes only messages for the rampspeed. > >anyone can help? btw., platform is windows and linux... > > >thanks in advance, > >micha > > > > >_______________________________________________ >PD-list(a)iem.at mailing list >UNSUBSCRIBE and account-management -> >http://lists.puredata.info/listinfo/pd-list

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ascii2pd, pd2ascii (serial communication, arduino, Xbee), concat (list-abs) and cvs
by Thomas Ouellet Fredericks 08 Jun '06

08 Jun '06

I wrote 2 abstractions to manage ascii data(codes) within PD. And another to concatenate data. I found that the existing externals did not have the latitude I needed or treated a limited set of ascii characters. They require pd 0.39, zexy and the included ascii4pd.txt file. NOTE: The quoted text is to be read as if in a PD message box ("a,b" indicates two messages) --- pd2ascii Converts pd symbols, lists, floats and anything into integers (ascii codes) Examples: converts "a1" or "a,1" to "97,49" converts "a b" into "97,32,98" converts "321,LF,CR" into "51,50,49,10,13" --- ascii2pd Converts intergers into individual pd symbols or floats. To combine the data into complete pd messages, I wrote the following abstraction, concat: --- concat (maybe this could be included in list-abs?) Concatenate floats, symbols, lists and anything into complete PD messages that can have sublists (spaces). Example: step 1) ascii2pd converts "97,32,98,13" into "a,SPACE,b,CR". step 2) concat can convert "a,SPACE,b,CR" into "list a b". Get them here: http://tof.danslchamp.org/pd/ascii2pd+pd2ascii+concat.zip I would like to include them into the CVS (so Hans can include them into his installers :). How do I do that? Hans, these could be very usefull for your Arduino abstraction (like sending 16bit numbers, instead of being limited to bytes). Thomas Ouellet Fredericks (tof(a)danslchamp.org)

2 2

PD as real-time effects processor?
by Otto Maddox 08 Jun '06

08 Jun '06

Hi. I'm hoping to use my laptop (Apple PowerBook G4, 667) as a real-time effects processor for live audio signals. I've been thinking of getting a USB or FW audio interface and connecting its inputs and outputs to the effects loop on my outboard mixer. I've had minimal prior exposure to PD, but I thought it might be a good software DSP environment for this sort of thing? Probably the biggest issue will be latency between the input and output, but I thought that if I can keep it low enough then it might be OK. Mostly I will be doing reverb-type effects, and some delays, so latency might not be too much of a problem, but computation time might be. Has anybody tried this before? If PD not such a good fit, then could somebody please recommend a better environment for this sort of thing? Thanks. -- http://www.fastmail.fm - The way an email service should be

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gripd import midi error
by Jamie Bullock 08 Jun '06

08 Jun '06

Hi, I am trying to get gripd working. If I open gripd.pd in examples/ and then try to open gripd.gpd, I get output to the terminal with the following error: ImportError: No module named midi Is there some standard Python MIDI module I need to install? Help appreciated. Jamie

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Pd-list June 2006