Pd-list October 2007

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166 participants
302 discussions

wiimote with ir sensor bar
by punchik punchik 29 Oct '07

29 Oct '07

Hi , is there any way of using the ir sensor bar with the wimote in pure data? Is it posible to track the movements of people carrying wimotes in real space with puredata? thanks __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com

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gem problem
by Oded Ben-Tal 29 Oct '07

29 Oct '07

hi, I am finding that gem is doing things very differently in two versions. The attached patch is slightly simplified from what I am running but the essence is running 3 versions of the same movie on 3 'screens' using [pix_threshold] and [pix_alpha] to selectively hide elements of the pictures at the front. This works fine when I use pd-extended0.38 When I try it with pd-extended0.39 (from http://at.or.at/hans/pd/installers.html ) it doesn't work. The pictures on the front 'screens' are all turned blueish but the selections aren't removed. I am running this on an intel Mac OSX10.4 I would be happy to stick with 0.38 but other things aren't working correctly with it, and I can't even run two versions in parallel because hans' version handles libraries internally, and gets confused when there is a preference file like the older version wants :( Any ideas? Thanks Oded ___________________________________________________ Oded Ben-Tal http://ccrma.stanford.edu/~oded oded(a)ccrma.stanford.edu

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Re: [PD] Let's talk data structures
by Hans-Christoph Steiner 28 Oct '07

28 Oct '07

Here's an example project: http://footils.org/cms/show/8 There are some tutorials here: http://puredata.info/docs/tutorials .hc On Oct 28, 2007, at 6:00 PM, Chuckk Hubbard wrote: > I don't know about arrays, but graphical data structures definitely > set Pd apart from Max, Csound, SuperCollider, Reaktor, Reason, etc. > etc. > Unfortunately I don't know a good tutorial; graphical data > structures take a minute to learn and a lifetime to master. > The html manual has most of the basics, although some important > features were added recently to make them far better. You can put > the -x flag in [drawpolygon], [drawcurve], [filledpolygon], and > [filledcurve] to prevent the resulting object from being selected > in edit mode. Because of this, in my sequencer, I can now move > notes without selecting barlines. A nice feature would be the same > -x flag for [drawnumber]... > > -Chuckk > > On 10/28/07, Ede Cameron <ecameron(a)videotron.ca> wrote: That's a > good thing to talk about, graphical data structures. I > was looking for a tutorial on this last week, Some one in my class > had built an additive synthesizer that could be manipulated > graphically. He had figured this out from a Pd online tutorial but I > could not find such a tutorial on the web. Any one know of such a > tutorial Seems to me that this and arrays is what sets Pd apart from > MaxMSP. > Ede > ------------------------------------------------------------------------ ---- Man has survived hitherto because he was too ignorant to know how to realize his wishes. Now that he can realize them, he must either change them, or perish. -William Carlos Williams

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ENOUGH Re: about sexy-ism
by Ed Kelly 28 Oct '07

28 Oct '07

I think the whole point is that we need to terminate this thread now. I don't want my students to find a bunch of purile mysoginistic nonsense, nor do I want them to find that we're spending all our time debating such a thing. This is my final word: ENOUGH! Now can we talk about something interesting, like graphical data structures? Ed Lone Shark "Aviation" out now on http://www.pyramidtransmissions.com http://www.myspace.com/sharktracks ----- Original Message ---- From: Chuckk Hubbard <badmuthahubbard(a)gmail.com> To: PD-list(a)iem.at Sent: Sunday, 28 October, 2007 10:43:28 AM Subject: Re: [PD] about sexy-ism Violence as a response to people with different values- was this comic drawn by a man? -Chuckk On 10/27/07, Hans-Christoph Steiner < hans(a)eds.org> wrote: Funny, I think that exact comic came up earlier in this never-ending thread. Very apropos... .hc On Oct 27, 2007, at 7:26 AM, Hannah Drayson wrote: > > This sums it up for me... > > http://xkcd.com/322/ > > > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > listinfo/pd-list ------------------------------------------------------------------------ ---- "It is convenient to imagine a power beyond us because that means we don't have to examine our own lives.", from "The Idols of Environmentalism", by Curtis White _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list -- http://www.badmuthahubbard.com -----Inline Attachment Follows----- _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list ___________________________________________________________ Want ideas for reducing your carbon footprint? Visit Yahoo! For Good http://uk.promotions.yahoo.com/forgood/environment.html

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[PD-announce] pdp_frei0r für frei0r 1.1...
by ydegoyon＠free.fr 28 Oct '07

28 Oct '07

ola, preparing piksel event ( that will be streamed this year ).. just released a pdp_frei0r object : http://www.artefacte.org/pd as frei0r seems an accepted standard between FLOSS video application.. ( but still very incomplete for computer vision ) it has to be improved, and we'll talk of all of this in piksel. saludos, sevy & lluis _______________________________________________ PD-announce mailing list PD-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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Array indexing for the wind and the birds
by Jeff Rose 28 Oct '07

28 Oct '07

So I was playing with the FFT example that lets you adjust the gain for frequency bands that gets applied to a plain noise signal. In messing around I found that I could actually make some cool sounds that seemed like rushes of wind and birds and animals chirping. So, that's the goal. I want to make a birds and wind patch based on the resynthesis.pd audio example. I thought for starters I would use some [metro]s connected to [random]s that would send numbers down to [line] objects, which would generate lines to write into my gain array. Does this sound like a reasonable strategy? My real question is how to work with arrays in this manner. I'd like to use [line] objects to generate small sequences that I write into short segments of an array. With a for loop this would be straight forward, but I don't know how to iterate through an array, or how to generate the line instantaneously rather than having it take some amount of time like you normally would use line for an envelope or something. In the long run I'll need to remember the start index and length of each "chirp" so that after a short delay I can turn the gain back down at that location. Anything like a priority queue in PD, so I can just have my delay's pop off the queue? Also, how tough is it to dynamically create objects from within patches? Say, if I make a self contained chirp patch that deals with it's own cleanup, can I sort of instantiate it with some parameters and then send it off to do it's thing and die when it's done? (Was just reading the papers on Chuck, so maybe my mind is thinking in the wrong way for PD...) Well, hopefully at least my goal is clear :-) Thanks for the help, Jeff

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Re: [PD] metastudio released - trying to test
by Ed Kelly 28 Oct '07

28 Oct '07

Hi Luigi, Here's a little decription of the modules that make up the Metastudio. The metastudio is basically a set of modules with a patch and sequence storage and recal system and some GUIs seq-5t-32 is a 5-trigger drum sequencer seq-32 is a 2 trigger, 2 number and 1 radio button sequencer seq-mod-32 is a sequence modifier. chan-mod-32 is a trigger modifier. These two units are used to modify the sequence in terms of the duration or polyrhythmic subdivision of the beat, multiple re-triggers within a beat, probability of a trigger event and gate duration (which I haven't used yet, but it's useful for making note lengths etc ;-) sinclickr~, sinoiseclickr~ and sinhclickr~ are drum synthesizers. They model the slight randomness of real analogue drums by introducing a random element to the timings of the envelopes. chunksamplay32~ is a sample player that uses the granular timestretch process. The window size and playback pitch of the sample may have an envelope applied to them. lead-lag allows you to beatmatch, DJ-style, the sequence with another playing source such as a record. The , and . keys slow down and speed up the sequence for 1 beat, thus providing seamless beatmatching (although it's still up to you and your ears to get it right :) There are a variety of mixing modules: mix~ stmix~ mixpan~ mixpan+ mix_5~ xfade~ fadex~ xfade_aux~ There are a number of effects modules: pish~ vcf_adsr~ freeverber~ ssb~ sigpack_decimate~ sigpack_foldback~ sigpack_foldover~ sigpack_saturate~ The mono303~ module provides a nice GUI and slow PWM for the bassemu~ external. buzz-board is basically a keyboard, i.e. it turns the computer keyboard into a piano keyboard. * and / keys change the octave, < and > keys change the radio button, zsxdcvgbhnjmq2w3er5t6y7ui9o0p are the notes. samplemap is just mapping input numbers to output numbers. So, if you have the radio buttons in seq-32 output going to the samplemap, you can change what sample each setting produces. Used with samplebox_32~ and chunksamplay32~, or resynth_fft~ and samplebox_32~. resynth_fft~ does the basic phase vocoder with a couple of twists - timescratch makes an LFO change the sample position (so you are scratching time!). Pitchscratch does the pitch. Like chunksamplay32~'s window size and pitch, there is a start and end value for the depth and frequency of the LFO, so you can create complex time variations of the original timbre. So - there's a lot in there. Much of it is simply wrapping stuff from the audio examples so that it has a GUI and a patching system. The patching system is msgfile based, as are the sequencers. load and save do what you'd expect. store saves the current settings of the GUI in the msgfile, and new creates a new sequence pattern, copying the current pattern into it (so you can create variations). seq-32 has a step input, and space misses a step. The controls for this are: tog sets the trigger (check box) that will be programmed, chan sets it up so the midi channel (or radio button on the buzzboard) will be stored in the radio-buttom of the sequence. MIDI note numbers are stored in the top number and velocities in the bottom if the vel box is checked. if vel and only are checked then note numbers are stored in the bottom number. Many randomization functions exist, sometimes with a probability distribution curve, sometimes with a range. The are also recording modules for streaming to disk. All modules are fully automatable externally from the second inlet. Inside each patch is a [pd automation] subpatch - the list of symbols is in here. [symbol number( is the format for the list to automate parameters. Also, [file $1( and [patch $1( for loading a patch file and recalling a patch, from the third inlet. When you load the demo in demodrum with the big red bang, the demo sequence should play. some modules (cupd, list_sum) have not yet been incorporated into PD extended, but the patch should still work. If the PD window complains that it "couldn't load" some module or other, try loading the enclosed PD patch before loading a metastudio PD file. Note: I have a problem with the Windows version - msgfile seems to be broken on my machine. I will write to IOhannes to get him to fix this!!! Externals needed for the full functionality: freeverb~ bassemu~ vasp (to normalize samples in the samplebox_32~) and ekext, zexy and svf~ and playlist OK, hopefully this helps. I know this isn't too easy to get started. Look at how the symbols between the 5-trigger sequencer and the sequence modifier correspond. These two objects control the rhythmic evolution, and you can get some really complex rhythmic variations by altering the sequence modifier parameters. Good luck! Best, Ed Lone Shark "Aviation" out now on http://www.pyramidtransmissions.com http://www.myspace.com/sharktracks ----- Original Message ---- From: Luigi Rensinghoff <luigi.rensinghoff(a)freenet.de> To: PD-list(a)iem.at Sent: Thursday, 25 October, 2007 1:29:05 PM Subject: Re: [PD] metastudio released - trying to test Am 25.10.2007 um 01:29 schrieb Ed Kelly: > no idea what's going on. It's fairly complex. It uses only 17% cpu > for the pd process but the gui uses something about 95%. Ah. I'm so bad at documenting my projects, but I'm insanely busy right now with teaching. Believe me - I'm quite profoundly behind with many things, but will get around to writing proper help files at some point. And yes, the gui. I needed to get to this point because I'd really like a more efficient gui, but my solution will be for now to make versions that are gui-less as well. The gui is only needed for composing the patterns and stuff - in performance it's not necessary. So - perhaps 0.2 will have this feature. I had to get 0.1 finished first. Wouldn't it be nice to switch the gui on and off at will? Now there's a thought. Best, Ed Yahoo! Answers - Get better answers from someone who knows. Try it now._______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list Hi Ed, i would like to try out what metastudio actually is and does ;-) the demopatches open fine..but then ??? Do i have to load some etxtfiles ??? i really cannot see how i should get sound out of it...could you help ?ß Thanks Luigi -----Inline Attachment Follows----- _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list ___________________________________________________________ Yahoo! Answers - Got a question? Someone out there knows the answer. Try it now. http://uk.answers.yahoo.com/

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Re: [PD] [Pd] Arbitrary command line arguments
by Chuckk Hubbard 28 Oct '07

28 Oct '07

In the patch: [receive bajesus] | [particular] In the command line: pd -open <patch> -send ";bajesus sugar-smacks" The semicolon makes all the difference. I also found that it works to say -send ";bajesus $VAR" inside a bash script, if you're into that kind of thing. I have no idea where the message goes if you don't use a semicolon. -Chuckk On 10/28/07, David Merrill <david.merrill(a)gmail.com> wrote: > > hey Chuckk -I was wondering about this just yesterday.. How do you address > the message to a particular object when you invoke the -send flag from the > command line? Can you show an example? > thanks, > -David M. > > On Oct 28, 2007, at 7:50 AM, Chuckk Hubbard wrote: > > Okay, I figured out -send. > -Chuckk > > On 10/28/07, Chuckk Hubbard <badmuthahubbard(a)gmail.com> wrote: > > > > Is it possible to send a command-line argument that can be used as $n > > inside a patch? If not, it might make a nice feature some day. > > -Chuckk > > > > -- > > http://www.badmuthahubbard.com > > > > > -- > http://www.badmuthahubbard.com > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> > http://lists.puredata.info/listinfo/pd-list > > > -- http://www.badmuthahubbard.com

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Re: [PD] Array indexing for the wind and the birds
by Frank Barknecht 28 Oct '07

28 Oct '07

Hallo, simon wise hat gesagt: // simon wise wrote: > I don't know how to use it, but the status of the 'compute audio' > checkbox in the pd window must be surely stored and could be > accessible somehow? and also the messages that get sent to change it? [r pd] | [route dsp] | 1/0 Ciao -- Frank Barknecht _ ______footils.org__

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[Pd] Arbitrary command line arguments
by Chuckk Hubbard 28 Oct '07

28 Oct '07

Is it possible to send a command-line argument that can be used as $n inside a patch? If not, it might make a nice feature some day. -Chuckk -- http://www.badmuthahubbard.com

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Pd-list October 2007