Pd-list February 2007

pd-list@lists.iem.at

148 participants
295 discussions

ead~?
by pete mcpartlan 14 Apr '07

14 Apr '07

I've been reading obiwannabe's great tutorials, and he keeps using [ead~] where can i get this? Oh and I dont want to install a new version of PD, I'm in the middle of a big project and I don't want to risk some things changing. thanks, pete

11 20

Broken links all over the place in Pd-extended help files (was: [PD] mapping library examples)
by Kyle Klipowicz 28 Mar '07

28 Mar '07

Oh, ok. That sounds awesome and useful, thanks for the info! However... I tried looking at a random mapping patch in pd-0.39.2-extended-test7 but got what I did a few months back when I tried to look at it. I opened the amplitude_n-help.pd file and it generated this: error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' error: inlet: expected '' but got 'list' ... etc. I found the culprit: inside the min_n.pd abstraction there are two undefined objects, minimum and maximum. Now my question is this: If we are getting to the point of expecting users to magically know how use the import function, why is it not automatgically included in all the help patches that utilize functions that must be imported in order to not create a broken patch? It seems to me that all help patches should include the necessary import calls so that they are not broken. It seems to me that more than half of the included help patches that I try to open on a fresh Pd-extended install (following all install instruction, i.e. copy the proper files to places on OSX) are broken for this reason. If this is the case, how can we claim that Pd-extended is easier to use and more refined? Please don't take these criticisms personally, I am a big fan of the work that has gone into this project. I would just like to understand these things. I may be missing something. But if I am, then for sure a hundred less-experienced users are too, and they may be scared away! With respect, ~Kyle On 1/30/07, Hans-Christoph Steiner <hans(a)eds.org> wrote: > > Basically, we are trying to come up with a whole collection of > fundamental building blocks for mapping controller data to something > being controlled. It need not only be for music, but that's my > background. Cyrille has a broader background in terms of mapping > than I. While we use these objects with controllers and sensors, > there is nothing that ties them to such uses. They could be used for > any situation where you want to manipulate ranges of data. > > Here's the academicese version: > > http://nime.org/2006/proc/nime2006_106.pdf > > Abstract > > Mapping has been discussed for decades, yet there is not a standard > catalog of mapping methods. The Mapping Library for Pd is a fledgling > library of mapping primitives with the aim of cataloging existing > mapping methods. Also included are techniques for conditioning sensor > data to make it usable in the context of instrument design. > > .hc > > On Jan 30, 2007, at 9:36 AM, Kyle Klipowicz wrote: > > > Yes, please do. I recall looking at it briefly, but didn't know what > > it was created to be used for. Is it in tandem with HID? > > > > ~Kyle > > > > On 1/30/07, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > >> > >> Hans, please could you give a very quick summary of the mapping > >> library > >> and the problems it's intended to solve (for those of us who > >> missed the > >> announce, or forgot). > >> > >> Cheers > >> Andy > >> > >> On Mon, 29 Jan 2007 18:17:49 -0500 > >> Hans-Christoph Steiner <hans(a)eds.org> wrote: > >> > >> > > >> > Cyrille and I started work on the mapping library a while back. > >> I am > >> > wondering how many people have used some of the objects, and > >> whether > >> > anyone would be willing to share a project where they used some of > >> > the objects. We are writing a paper about the progress of this > >> > library, so it would be nice to include some examples from the real > >> > world (i.e. outside what we do ;) > >> > > >> > .hc > >> > > >> > > >> --------------------------------------------------------------------- > >> --- > >> > > >> > I have the audacity to believe that peoples everywhere can have > >> three > >> > meals a day for their bodies, education and culture for their > >> minds, > >> > and dignity, equality and freedom for their spirits. - Martin > >> > Luther King, Jr. > >> > > >> > > >> > > >> > _______________________________________________ > >> > 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 > >> > > > > > > -- > > > > http://theradioproject.com > > http://perhapsidid.blogspot.com > > > > (((())))(()()((((((((()())))()(((((((())()()())()))) > > (())))))(()))))))))))))(((((((((((()()))))))))((()))) > > ))(((((((((((())))())))))))))))))))__________ > > _____())))))(((((((((((((()))))))))))_______ > > ((((((())))))))))))((((((((000)))oOOOOOO > > > > ------------------------------------------------------------------------ > > Mistrust authority - promote decentralization. - the hacker ethic > > > -- http://theradioproject.com http://perhapsidid.blogspot.com (((())))(()()((((((((()())))()(((((((())()()())()))) (())))))(()))))))))))))(((((((((((()()))))))))((()))) ))(((((((((((())))())))))))))))))))__________ _____())))))(((((((((((((()))))))))))_______ ((((((())))))))))))((((((((000)))oOOOOOO

3 2

hotkey scrolling within patches?
by Rich E 08 Mar '07

08 Mar '07

Hi list, Does anyone know of a good linux window manager that would allow me to scroll left/right or up/down within a pd patch with the use of hotkeys? In Gnome and Blackbox, I can scroll up and down with the trackpad, but I really need to be able to do left and right. Another side question for the programmers out there; how hard do you think it would be to add automated scrolling (such as the time cursor in daw's and whatnot)? Maybe it is possible to write an external that controls scrolling within a patch? Regards, Rich

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pd gui chrases in Ubuntu Edgy Eft
by Fanouris Moraitis 07 Mar '07

07 Mar '07

Hi, Sometimes when I do right click for help to any object or when I am trying to type something pd crashes with the following message pd: magick/exception.c:845: ThrowMagickExceptionList: Assertion `exception->signature == 0xabacadabUL' failed. Pd: signal 6 pd_gui: pd process exited I use Pd version 0.39.2-extended-test7 for ubuntu cheers,

5 6

re: [PD] a little pitchshifter
by robbert van hulzen 07 Mar '07

07 Mar '07

well then, thanks for doing my homework! ;) nice one. (i like how it gives a kind of flanger effect on the drum loop i tried it with, almost more like a filter, because of the high noise portion of the signal, i suppose.) cheers, robbert Thomas Mayer <thomas(a)dergrossebruder.org> wrote: > Hello, > > after all the discussion about looping samplers etc., I have made a > small abstraction patch that does pitchshifting. It uses susloop~ and > the higher math externals, and I don't know if standard Pd has all those > installed. Left input takes the sound, right input transposion in > halftones. It is designed for a sample rate of 44100 Hz, but you can > change that with a little editing. > > So, yet another thing, anyone should have patched in Pd accomplished ;) > > cu Thomas

11 16

Re: [PD] minor but persistent annoyances
by martin.peach＠sympatico.ca 05 Mar '07

05 Mar '07

Roman Haefeli wrote: > On Mon, 2007-02-26 at 22:34 +0100, Derek Holzer wrote: > > I'd point more to OS X or the Aqua desktop as the culprit, actually. > > Don't know 'bout windows, but on many Linux window managers, you can > > use > > the Alt+Mouse to relocate a window (of any app) and find the resize > > tab > > at the edges. File a feature request at Apple, where they get paid to > > read those things ;-) > > as other people already mentioned, it happens also on windows, not only > in aqua/osx. so i'd say the culprit is rather not aqua/osx. i also > posted that issue here at least two times. from what i can say, saving a > patch makes it bigger by a few pixels in both dimensions. so if one does > open a patch, save it, close it, open it again and so on, it grows with > each cycle. i'd say an easy workaround, if not the solution, would be to > subtract 3px in each dimension for each canvas when saving a patch. i'm > not a tk/tcl-coder, though.... It seems to happen in canvas_saveto() in g_readwrite.c, so it's not tcl, just c. These seem to be the dimensions: (int)(x->gl_screenx1), (int)(x->gl_screeny1), (int)(x->gl_screenx2 - x->gl_screenx1), (int)(x->gl_screeny2 - x->gl_screeny1) but they are used in two places depending if it's a root canvas or not. Martin

3 3

is this a spectral gate?
by Kevin McCoy 05 Mar '07

05 Mar '07

Hello lllist, I am still pretty new at FFT things but I am having a lot of fun. I know Tom Erbe's soundhack has something called a "spectral gate" so I thought I'd give it a shot and try to make my own in Pd after reading about it. Doesn't sound all that great, it actually ends up sounding like a really low quality wma file or something :) Is this technically a spectral gate? I'm using [>~] from zexy which in my mind says, "Look at all of the frequencies in the block and only allow those which are above value x to pass through." I've attached the patch here - any info or guidance is much appreciated. Any sound that goes through it pretty much loses all definition and clarity - is there a fix for this? Kevin -- ++++ http://pocketkm.blogspot.com

21 69

isosonic curves : level the perceptual loudness of different pitches
by Alexandre Quessy 05 Mar '07

05 Mar '07

Hi all, I would like to create an abstraction to adjust the amplitude of synthetic sounds according to the ear sensitivity. At a given amplitude, we hear the notes in the middle range louder than the high and low notes. This perceptual property of the audition can be somewhat undesired in a musical work. (in my opinion at least) The equal lines of actual amplitude of notes that seem to have the same loudness are called "isosonic curves". Here are 2 different graphics of these curves : http://www.multimedia.uqam.ca/cours/audio/images/diag/sonpsy_isoson.gif http://www.comm.uqam.ca/GRAM/illu/mus/nature/CourbeDIsosonie.GIF A few links that might give you a few hint for the calculations : http://en.wikipedia.org/wiki/DB%28A%29 http://en.wikipedia.org/wiki/Weighting_filter http://en.wikipedia.org/wiki/Stevens%27_power_law Anyone would have a formula or a table containing data that could help me to calculate this ? For instance, we would be able to generate sine waves of any frequencies that would be perceived as having the same intensity for all of them, by changing their amplitude according to this leveling formula . This way, we could hear our low freq notes as much as the middle ones. Very valuable. :) Thanks ! -- Alexandre Quessy http://alexandre.quessy.net

7 9

gem-models
by Nikola Jeremic 04 Mar '07

04 Mar '07

Hi list I would like to start working more with the .obj models in Gem, and i got bored of the famous "venus" :) does anybody know where can i find some otherones (i did not came so far with google) and i need an info on soft (open-source would be great :) where I can design my own models. I ve tried Blender, but it is to complicated and somehow my models dont work good with pd :( it is getting very slow an crashes my machine (pc win). thanx 2 all nikola -- www.echoplex-label.de/njeremic

7 8

Google Summer of Code WIKI
by Georg Holzmann 04 Mar '07

04 Mar '07

Hallo! As also IOhannes said, that he would be a mentor for the GEM projects, I started now to make a WIKI, where the projects we discussed are discribed. This page must be presented to google (description of puredata and of the single projects) - so maybe some english native speaker can correct my really bad english and make this text looking better to the google guys (everyone with an puredata.org account should have write privilegs). Here is the WIKI: http://puredata.info/dev/summer-of-code LG Georg

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Pd-list February 2007