Pd-list May 2007

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160 participants
312 discussions

unknown audio I/O error (con't!)
by Greg Sabo 08 May '07

08 May '07

Sorry about the last message, Gmail screwed up and send it while I was typing.... as I was saying, whenever I hit "DIO" it outputs the following: ------------------------------------------ audio I/O error history: seconds ago error type 21.98 unknown 21.98 unknown 21.98 unknown ------------------------------------------- The "seconds ago" increases each time, indicating an error at startup, I assume? This occurs even if I do a fresh install of Pd. I think an issue might be that I installed cycling74's Soundflower a little while ago, and that might have messed up my system's audio somehow (although I've had no other issues). I've uninstalled Soundflower, but I still have the same problem. What gives? Thanks in advance! (P.S. let me know if this has been addressed elsewhere, I'm still green)

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Re: [PD] analogue clipping
by padawan12＠obiwannabe.co.uk 08 May '07

08 May '07

Try tanh function mapped to the range of about -5 +5 and a small signal input. http://mathworld.wolfram.com/HyperbolicTangent.html Here's a nice approximation with five multiplies http://www.musicdsp.org/archive.php?classid=5#238 what's the best and most cpu efficient way to clip a signal in an analogue fashion, rather than getting nasty digital distortion? _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

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Exquisite corpse
by Chris McCormick 08 May '07

08 May '07

Hi List, I realised I will not be able to sleep until I send this idea to the list, so here goes: Let's play a composition game. The game is based upon the Surrealist "exquisite corpse" method <http://www.wikipedia.org/wiki/Exquisite_corpse> and it works like this: 1. Everyone who wants to play will reply to this message off-list. You will be required to make a Puredata composition around 30 seconds long, and you will have to do so within 3 days at some point in the next few weeks. If you can commit to this then go ahead and reply to me. 2. When it is your turn, you will receive a patch with two subpatches in it, and the name and email address of the person following you. The left hand subpatch will contain the person before you's work. The right hand subpatch will be empty. Each work/subpatch is triggered with a bang, and outputs a bang when it is finished. The composition must work in pure-puredata (Miller's) to ensure that it will work the same for everyone involved on all OSes etc. Your mission is to create a work in the right hand subpatch that goes together with the person preceding you (e.g. both will have their trigger bang hit at the same time so they should work together in some way). Whatever style of music and Pd mechanisms you choose are up to you, as long as your work does not depend upon any variables from the preceding patch (counters, etc) since the person after you won't have access to that patch. Once you're done, you mail it to the next person in the list with your own subpatch moved from the right hand side to the left hand side, and the next person does the same thing. 3. At the end everyone will mail me their subpatch and we will string all of the pieces together, overlapping so that each piece is played twice - once together with the piece before, and once with the piece after, and we'll post it back to the pd-list for everyone to hear. Should be fun and hopefully sound interesting! Ok, now I can go to sleep. :) Best, Chris. ------------------- http://mccormick.cx

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question about pdx7 for Frank Barknecht
by Andres Ferrari 08 May '07

08 May '07

hello Frank, i was testing pdx7 and I have some questions i cant load the adsr envelopes saved with careGUI.is possible? something else.... are you teacher of some musical institution? composer? I am looking for possibilities of people who can come guests to give masterclass to the University of Chile for the students of musical composition. if to a somebody in pd-list also interests the idea can write to me. 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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Re: [PD] Space Invaders 4D Game
by nosehair911＠bellsouth.net 08 May '07

08 May '07

I'm just starting out in PD but 99.9% of the time I can break something down and figure out how it works or find something online, but can someone explain to me how to use two gemheads to render a pattern with just on geo. I understand the textfile object and the text file part what I down get is why it works. Thanks, Alain > > From: Frank Barknecht <fbar(a)footils.org> > Date: 2007/05/05 Sat AM 04:58:59 EDT > To: pd-list(a)iem.at > Subject: Re: [PD] Space Invaders 4D Game > > Hallo, > Thomas Ouellet Fredericks hat gesagt: // Thomas Ouellet Fredericks wrote: > > > Your code could be greatly simplified if you used lists to trigger the > > line objects (for example, sending the message 0,1 1000 will start > > from 0 then ramp up to 1 in 1 second). > > I also did a simplification to this nice game: I change the invader.pd > to use an external file for the "model" of the aliens. It's attached > as invader2.pd ready to be dropped in as replacement for invader.pd > (only used in enemytest). Make sure, the invader.txt file is next to > it. > > Regarding the format of invader.txt: It uses coordinates starting in > the lower left corner, so the origin (0,0) is not the center of the > invader. To correct that a line with "offset num num" is used. The > spread between the individual pixels can be set in a similar way with > "spread". See attached xcf-image (for gimp) for how the coordinates > were written. > > Oh, and of course I added an explosion. ;) > > But explosions have to be implemented in the main game first (that is, > the "destroy" message must not move the invader out of sight, > otherwise the nice explosion will stay invisible. I leave that as an > excercise for the reader. > > Ciao > -- > Frank Barknecht _ ______footils.org_ __goto10.org__ > >

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Toxy (was Re: [Instance])
by Kyle Klipowicz 08 May '07

08 May '07

You are right, I just started looking through the Toxy library examples, and so far it looks really nice! I'm excited about this! How do these sliders and such compare with the iemgui objects in terms of gridlock? ~Kyle On 5/7/07, Hans-Christoph Steiner <hans(a)eds.org> wrote: > > As far as I know, [tot] is quite stable, at least in the context of > Pd-extended. If anyone has a problems with it, please file a bug > report. > > .hc > > On May 7, 2007, at 2:09 PM, Kyle Klipowicz wrote: > > > Never mind, that one actually worked for me. But the tot examples are > > not loaded when using Pd-0.39.2-extended-rc2.app on OS X 10.4.9. I'll > > file a bug in the tracker? > > > > ~Kyle > > > > On 5/7/07, Kyle Klipowicz <kyleklip(a)gmail.com> wrote: > >> Yes, but good luck actually being able to use the toxy library out > >> of box! > >> > >> ~Kyle > >> > >> On 5/4/07, Hans-Christoph Steiner <hans(a)eds.org> wrote: > >> > > >> > On May 3, 2007, at 11:56 PM, Chris McCormick wrote: > >> > > >> > > On Thu, May 03, 2007 at 03:10:16PM +0200, Roman Haefeli wrote: > >> > >> On Thu, 2007-05-03 at 02:01 -0700, Luke Iannini (pd) wrote: > >> > >>> thanks to > >> > >>> [closebang]). > >> > >> > >> > >> i vote for including [closebang] into pd vanilla. is there any > >> > >> chance, > >> > >> that it will be included? that is one of the most wanted missing > >> > >> objects > >> > >> for me. > >> > > > >> > > I second that vote. Would love to see a 'savebang' too. That > >> would > >> > > really help with the state saving stuff. It should go off > >> after ctrl-S > >> > > or 'Save' menu item is selected, but before the save is > >> performed. > >> > > >> > You can already do that with a little help from [toxy/tot], see > >> > attached. > >> > > >> > > >> > > >> > .hc > >> > > >> > > > >> > > Chris. > >> > > > >> > > ------------------- > >> > > http://mccormick.cx > >> > > > >> > > _______________________________________________ > >> > > PD-list(a)iem.at mailing list > >> > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > >> > > listinfo/pd-list > >> > > >> > > >> > > >> > > >> --------------------------------------------------------------------- > >> --- > >> > ---- > >> > > >> > If you are not part of the solution, you are part of the problem. > >> > > >> > > >> > > >> > _______________________________________________ > >> > PD-list(a)iem.at mailing list > >> > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > >> listinfo/pd-list > >> > > >> > > >> > > >> > >> > >> -- > >> > >> http://theradioproject.com > >> http://perhapsidid.blogspot.com > >> > >> (((())))(()()((((((((()())))()(((((((())()()())()))) > >> (())))))(()))))))))))))(((((((((((()()))))))))((()))) > >> ))(((((((((((())))())))))))))))))))__________ > >> _____())))))(((((((((((((()))))))))))_______ > >> ((((((())))))))))))((((((((000)))oOOOOOO > >> > > > > > > -- > > > > http://theradioproject.com > > http://perhapsidid.blogspot.com > > > > (((())))(()()((((((((()())))()(((((((())()()())()))) > > (())))))(()))))))))))))(((((((((((()()))))))))((()))) > > ))(((((((((((())))())))))))))))))))__________ > > _____())))))(((((((((((((()))))))))))_______ > > ((((((())))))))))))((((((((000)))oOOOOOO > > > > ------------------------------------------------------------------------ > ---- > > "[W]e have invented the technology to eliminate scarcity, but we are > deliberately throwing it away to benefit those who profit from > scarcity." -John Gilmore > > > -- http://theradioproject.com http://perhapsidid.blogspot.com (((())))(()()((((((((()())))()(((((((())()()())()))) (())))))(()))))))))))))(((((((((((()()))))))))((()))) ))(((((((((((())))())))))))))))))))__________ _____())))))(((((((((((((()))))))))))_______ ((((((())))))))))))((((((((000)))oOOOOOO

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A little help in automating pd?
by Daniel Wilcox 08 May '07

08 May '07

Hi, So this is my first post to the list. back story: I'm running pd in Linux on a small wearable computer. I do not use a screen, mouse, or keyboard, just an arduino box with a button and some other doo dads to control patch loading / activation. I've successfully automated pd in Windows using a python windows testing library to grab widgets and send keys to applications, but the Gnome alternative cannot see tcl/tk widgets ... I'm better off running without a gui anyway. :P I've hacked a quick controller patch using the ;open message for a show, but that was only a temp fix as I have no way to close patches from within pd ... or is there? I do not want to have to open an entire set of patches at once as my machine only has 256 Mb of ram and, if I start using lots of samples, this could be a problem. So now I'm exec launching and SIGINT'ing pd in C : - lauch pd with the current patch and remember the process id - the patch contains an osc object to receive all of my controllers - sigint pd when I'm done (btw Whats the cleanest kill signal to send?) Now my questions are: - Is there a built in way to close an open pd patch from within pd ...? My thinking is that I can open pd with a small control patch that receives messages to open and close patches. - If not, has anyone made an automation object? Would anyone be interested if I attempted to write one? - Does having a built-in method to do this provide any advantage over my current solution of launching/killing pd? The advantage I have now is that I can monitor the running status of pd so if it crashes, which it has done when using the aforementioned temp hack, I can safely kill and restart on the current patch. Thanks! -- Dan Wilcox danomatika www.robotcowboy.com

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Re: [PD] call for PDP testing on Mac OS X
by bigswift＠cox.net 08 May '07

08 May '07

pdp_glx, pd_xv and pdp_sdl all work on linux ---- Hans-Christoph Steiner <hans(a)eds.org> wrote: > > Sounds good. Can someone confirm that pdp_glx works fine on GNU/ > Linux? Then I'll make the switch. > > .hc > > On May 5, 2007, at 6:25 AM, Luigi Rensinghoff wrote: > > > This is just a tiny little thing. > > > > I changed the pdp-examples for OSX. Just so beginners are not > > irritated. > > > > pdp_xv replaced by pdp_glx > > > > and little more > > > > maybe it would be good to have that changed for OSX-Installers > > > > > > > > > > <pdp_examples_OSX.zip> > > > > > > BYe Luigi_______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/ > > listinfo/pd-list > > > > ------------------------------------------------------------------------ > ---- > > 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 > > > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list -- Patrick Pagano Digital Media Specialist University of Florida Digital Worlds Institute 352-294-2082

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Re: [PD] accuracy of signal/message-objects
by martin.peach＠sympatico.ca 07 May '07

07 May '07

> Frank Barknecht wrote: > Hallo, > martin.peach(a)sympatico.ca hat gesagt: // martin.peach(a)sympatico.ca wrote: > > > [metro] is very accurate over time, it just has a jitter as the > > bangs have to happen in between sample blocks > > What do you mean by this "bangs have to happen in between sample > blocks"? The bangs from metro AFAIK happen independent from the sample > blocks. I think the bangs are independent but they don't get processed until any pending samples have been dealt with. That was the impression I got when testing [comport] by setting the DTR pin using [metro]: there is always a jitter of a few milliseconds. Maybe it's the OS that causes the jitter, but it was about the same on WinXP and linux. Also looking at the pd code, as far as I could follow it, the control signals seem to be processed in between signal blocks, so that, for instance, a metro bang that happens in the middle of a signal block will not be processed until after that block, so yes, the metro can tick whenever it wants but the bang won't occur until after the current sample block has been processed. If it happens to tick in between sample blocks then the bang will happen at the correct time. Martin

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flatspace externals in ext39.2
by marius schebella 07 May '07

07 May '07

Hi, for any reason the flatspace externals are not created by only using the objectname. for example mass2D. it is created when I type flatspace/mass2D. however, it is also not possible to add flatspace to the startup paths, at least that does not solve the problem. any idea, what I could do? pd-extended-0.39.2-RC2, osx. marius.

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Pd-list May 2007