Pd-list April 2016

pd-list@lists.iem.at

75 participants
106 discussions

Re: [PD] Can someone clarify how to use libraries with Pd-vanilla on OSX
by Dan Wilcox 20 Apr '16

20 Apr '16

> On Apr 18, 2016, at 3:18 PM, pd-list-request(a)lists.iem.at wrote: > > that's what I did and it worked > - in my system, deken has downloaded selected lib (say maxlib) into ~/Library/Pd > - and then go to Preferences>Path and add the directory of the lib you've downloaded > - click apply > - and create the object say |maxlib/average| To avoid duplicate errors, etc do basically the same thing without adding the library path itself: * add the single ~/Library/Pd directory path * create the object with the lib name aka maxlib/average Is there a way in vanilla to add a dir that pd can search within like extra? In this case, we’d want -lib maxlib to work within the given ~/Library/Pd. I know there was some development around this but I don’t remember if it was on this specific issue or not. -------- Dan Wilcox @danomatika <https://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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quiero salir de esta base de datos, gracias
by Pia Sommer 20 Apr '16

20 Apr '16

-- www.piasommer.cl http://soundcloud.com/piasommer

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Re: [PD] Spring Reverb?
by jlistshit 19 Apr '16

19 Apr '16

Hi, i had looked into this before (not in PD). When you search for the modelling of a metal helix you'll get into intense math pretty quickly (see https://www.era.lib.ed.ac.uk/bitstream/handle/1842/3718/BilbaoS_A%20Virtual… ) so i decided to copy params from typical spring reverbs into delay chains. A simple version looks like this two delay chains, 25 and 40 ms (typical accutronic spring tank from guitar amps), each with feedback through an allpass filter, which should allow to smear the HF usually in a range of max 1ms. add faders for - the delay time (ratio 2.5:4 - i prefer to have a range of 2.5 to 125 for the 25ms delay chain, the second delay chain x 1.6), - the amount of feedback - the amount of smear on the feedback. - a control for randomization (see LFO thing below) Unfortunately i am not aware of an allpass filter object for PD, as i use only vanilla, but i am sure you'll find one. Additionally, to create more interesting pictures, you can - add an LFO per delay chain with a line object set to 500 (to create a sort of glide) to modulate the delay time slightly or heavily. Like i said, i didn't do this in PD yet, only in maxmsp and on patchblocks, but the idea works fine (gritty!) without heaving to go into heavy math. My patchblocks patch is here: http://patchblocks.com/groups/patch/shattuh-02-spring-reverb-emulation And someone made a video of how it sounds here (patchblock on right side runs the shattuh patch: https://www.youtube.com/watch?v=4_e3hrkLRAc Best of luck :) jayrope --- www.kliklak.net/jayrope/ www.aircushionfinish.com www.soundcloud.com/jayrope www.ello.co/jayrope On Apr 16, 2016, at 12:00 PM, pd-list-request(a)lists.iem.at wrote: > Message: 2 > Date: Fri, 15 Apr 2016 15:06:00 -0400 > From: William Huston <williamahuston(a)gmail.com> > To: "pd-list(a)lists.iem.at" <pd-list(a)lists.iem.at> > Subject: [PD] Spring Reverb? > Message-ID: > <CAOTwkqBrWTPkQ2M5HEkQUoBdE3L4PUJeCj3MbBHzNwEwTpBMeA(a)mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Can anyone give any insight on how to model the sound of a spring reverb? > > Is it possible by using Freeverb with some filters? Or does it require > IR/Convolution? > > I live the twangy rattle sound. So unique. > > Thanks.

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@Porres Questions about PVoc
by S.E.P. 19 Apr '16

19 Apr '16

Dear Mr. Porres, Thank you for the creation of your time-stretching patches. I have some questions about their utilization and hope that you can give me some advice. Attached are two very different samples that I want to be able to stretch out indefinitely. In the case of the contrabass file, I find that manually clicking on "bounce" creates a much more seamless effect than automatic bouncing (which has a very audible cross-fade). How would you suggest manipulating the patch to automate a smoother bouncing effect? I don't think this is a question of how the files are cut, but I could be wrong... Otherwise, I find running both files at 150 Motion and 4096 window size with Lock off works quite well. As with some other Time Stretching patches, the contrabass' upper spectrum becomes strangely isolated and present (compare it to a normal playback of the same file). Any ideas about that? Best regards, S. Elliot Perez

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Re: [PD] Can someone clarify how to use libraries with Pd-vanilla on OSX
by Aykut Caglayan 18 Apr '16

18 Apr '16

Hey Martin, that's what I did and it worked - in my system, deken has downloaded selected lib (say maxlib) into ~/Library/Pd - and then go to Preferences>Path and add the directory of the lib you've downloaded - click apply - and create the object say |maxlib/average|

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Dynamics Envelope Patch
by S.E.P. 18 Apr '16

18 Apr '16

Dear List, I've made this module to allow for stochastic variation of dynamic envelopes. It allows you to choose between three envelope types or determine the probability of each occuring. With the "ran"(dom) setting, the envelope lengths can be determined autonomously, or you can input a bang (third inlet) to coordinate the envelopes with other modules. Depending on the length of the envelope, I can sometimes hear the low "resolution" of the "moderate" and particularly the "sharp" envelope, as they are only a three-point approximation of a curve. I can add more points of course, though, ideally, I should probably add a mechanism that takes the length of the envelope into consideration when determining the amount of points and the proportions of the envelope. Of course, if there are already excellent abstractions out there of which I'm unaware, I'd be happy if you could share them with me, so that I can avoid (further) re-inventing the wheel. N.B: Open demo.pd to test the module. Best regards, S. E. P.S. It's possible that I've re-invented the wheel in multiple ways in this module, e.g. in the probability determination found in [dynamics]>[pd envelope_type]>[pd envelope_type_pool_and probability]. Any advice regarding pre-existing objects is appreciated.

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Menu fonts much too small on 4k screen
by Martin Dupras 18 Apr '16

18 Apr '16

Hi, I just acquired a new laptop with a 4K (3840x2160) screen, and am running Fedora Linux with PlanetCCRMA on it. Everything works fine, pretty much, but everything in PD is just too small. The menus are difficult to read. Objects are also so small that it makes it difficult to hone in on the outlets of objects. Is there some setting that can set at launch to make those things bigger? Many thanks! - martin

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Re: [PD] Menu fonts much too small on 4k screen
by Dan Wilcox 18 Apr '16

18 Apr '16

Looks like you could set the tk scaling in a .wishrc file: http://wiki.tcl.tk/8484 (Press Show Discussion) -------- Dan Wilcox @danomatika <https://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/> > On Apr 10, 2016, at 11:08 PM, pd-list-request(a)lists.iem.at wrote: > > From: Csaba Láng <langcsaba(a)gmail.com <mailto:langcsaba@gmail.com>> > Subject: Re: [PD] Menu fonts much too small on 4k screen > Date: April 10, 2016 at 6:13:59 AM MDT > To: "pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at>" <pd-list(a)lists.iem.at <mailto:pd-list@lists.iem.at>> > > > ctrl+T is a good option to adjust the font size of the objects to your needs. > About the menu, no idea yet. > > Best: > > Popesz > > On Sun, Apr 10, 2016 at 11:09 AM, Martin Dupras <martindupras(a)gmail.com <mailto:martindupras@gmail.com>> wrote: > Hi, > > I just acquired a new laptop with a 4K (3840x2160) screen, and am > running Fedora Linux with PlanetCCRMA on it. > > Everything works fine, pretty much, but everything in PD is just too > small. The menus are difficult to read. Objects are also so small that > it makes it difficult to hone in on the outlets of objects. > > Is there some setting that can set at launch to make those things bigger? > > Many thanks! > > - martin > > _______________________________________________ > Pd-list(a)lists.iem.at <mailto:Pd-list@lists.iem.at> mailing list > UNSUBSCRIBE and account-management -> https://lists.puredata.info/listinfo/pd-list <https://lists.puredata.info/listinfo/pd-list>

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midi settings from patch window
by Esteban Viveros 17 Apr '16

17 Apr '16

Is possible call midi/audio settings window from patch window? Some message to pd... (??) Thanks.. Esteban Viveros

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Generate a Gaussian curve
by Liam Goodacre 17 Apr '16

17 Apr '16

Hi all This is basically just a maths problem. I'm looking to fill an array with a Gaussian curve and be able to control the sigma value (and any other relevant variables), but my math skills aren't good enough! I tried this, based off of the standard function listed on Wikipedia: expr $f2 * pow (2.71828, -(($f1-$f3)^2/(2*$f4^2))) but there must be a mistake because I'm not getting the right curve. Can anyone help? (NB: The point is to find a replacement for the [gauss] external, using the nice new [array random] function). Liam

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Pd-list April 2016