Pd-list November 2017

pd-list@lists.iem.at

38 participants
61 discussions

32 bit linux build in Deken for else lib?
by Richie Cyngler 24 Dec '17

24 Dec '17

Hi All, Is it possible to release a 32 bit build of else lib for linux in Deken? I see there's a 32 bit windows and mac option but only 64 bit linux. best Richie

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Re: [PD] efficient approximation of trig functions for hi pass formula (was: could vanilla borrow iemlib's hi pass filter recipe?)
by Dan Wilcox 20 Dec '17

20 Dec '17

I think a core commenting sprint would be *very* helpful, specially to those of us (me) who would like help in understanding the black magic inside. -------- Dan Wilcox @danomatika <https://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/> > On Oct 19, 2016, at 12:57 PM, pd-list-request(a)lists.iem.at wrote: > > That is an important question. Pd code is full of clever tricks and > bit hacks for dsp efficiency. What is the origin of q8_rsqrt(), why > and how does it work? What about PD_BIGORSMALL() in m_pd.h? And the > mysterious UNITBIT32 number in d_osc.c? Ideally such code should be > commented not only to denote its function (if necessary) but also to > reference the origin so you may be able to find info.

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Review of expr 0.55 (released in 0.48) and a Pull Request
by Alexandre Torres Porres 17 Dec '17

17 Dec '17

Hi Shahrokh and Miller. I've sent this before, but now I'm sending again with a more explicit subject and also a Pull Request. I've tested the new expr (v0.55 released in pd 0.48) and I still have some remaining bugs to report. These are bugs I really think should be fixed, and some suggested feature requests. One of the bugs is plain simple, the fact that fexpr~ doesn't allow a float input in its left inlet. That doesn't seem intentional, by the way, because [expr~] allows it. Anyway, here's a simple Pull Request I created about it, see if it's cool: https://github.com/pure-data/pure-data/pull/219 cheers

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retrigger [tabread4~] sampler without clicks
by Federico Galland 17 Dec '17

17 Dec '17

Hi, I'm working on a granular sampler borrowing parts of the patch on pd-tutorial (http://www.pd-tutorial.com/english/ch03s07.html). Everything works smoothly except for one little annoying problem. If I fire the sample before the last one is through, sometimes I get a click at the beggining of the playback. This is happening on a percussive sound (rapid envelope attack) so I'm guessing it's got something to do with [tabread4~] failing to interpolate between whatever the last amplitude value was and the first wavetable value. This http://crca.ucsd.edu/~msp/techniques/latest/book-html/node63.html can probably be used to solve my problem, but I can't figure out how (or where in the patch) I should implement it. Any clues would be greatly appreciated. Thanks a lot, and have a good one. ps. I tried to comment the patch to make it understandable. It is still, however a work in progress. Let me know of any questions. -- Federico Galland <federicogalland(a)gmail.com>

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Gem: bogus pointer?
by Peter P. 06 Dec '17

06 Dec '17

Hi, I am sometimes getting this error message with Gem in Pd: "GEM: Someone sent a bogus pointer to copy2Image" and I would love to know what it means, if it has an effect I should care about, and why it is reported as error. Thank you for all help here, appreciated! P

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5 fully-funded PhD in Musicology/Analysis in Huddersfield
by Pierre Alexandre Tremblay 30 Nov '17

30 Nov '17

Dear all We have opened 5 fully funded PhD studentships in musicology, some with a specific question in mind, some quite open. I post here because most are technology-related. https://research.hud.ac.uk/music/researchdegreesandscholarships/fivefully-f… Deadline is Jan 15th. Feel free to distribute! pa

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Portable Projector for Patching Circle
by Julian Brooks 30 Nov '17

30 Nov '17

Hi all, Could I request a little community wisdom please... Any suggestions/recommendations for an affordable portable projector we could make use of for our Patching Circle (circa <=200 Pounds/Euro's/Dollars - not much diff these days:)? Just laptop screens is manageable but definitely not ideal. Thanks in advance and all the best, Julian

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PD Meetup in Berlin
by Juan Duarte 29 Nov '17

29 Nov '17

HI all We are hosting a PD Meetup on the 6th December in Berlin’s Common Ground https://www.facebook.com/events/921947081287453/ <https://www.facebook.com/events/921947081287453/> https://commonground.community/product/6-12-2017-pure-data-meetup/ <https://commonground.community/product/6-12-2017-pure-data-meetup/> Welcome! > In this meeting you will be introduced to sound synthesis and modular systems based on the open source and multi platform environment Pure Data. As a meet up we will share our findings and experiments with sound, visuals, or physical computing. > > Bring your laptop with any version pure data installed, no prior experience is required with the software. The idea is to get together a group of people to be introduced to visual based programming and to try out few prepared patches. You are also welcome to present your ongoing projects and get some feedback on how to continue.

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[PD-announce] PdPcHb Pure Data Patching Circle Hebden Bridge
by Julian Brooks 28 Nov '17

28 Nov '17

Pure Data Patching Circle Hebden Bridge (PdPcHb) "At Patching Circles, you can work on personal projects, professional projects, school projects, ask for help, help others, or just patch quietly to yourself in a room full of other people patching patches and helping other people patch." 7-9pm Wednesday 29th November 2017 (meeting bi-weekly) @: Big Tin Shed Alternative Technology Centre Unit 7, Victoria Works, Victoria Rd, Hebden Bridge, West Yorkshire UK HX7 8LN Sessions run in association with: Noisy Toys* http://noisytoys.org/event/pure-data-patching-circle-hebden-bridge-wed-29-n… For more info, please give me a shout. Cheers, Julian _______________________________________________ Pd-announce mailing list Pd-announce(a)lists.iem.at https://lists.puredata.info/listinfo/pd-announce

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array/[table] vs [array] curiosity
by Alex 24 Nov '17

24 Nov '17

Some friends and I were preparing to teach a workshop a few weeks ago and while looking through the [table] help file we saw: [array]: (newer and better replacement for "table") which inspired some questions.. Basically: is [array] simply a nicer wrapper for an "array" (menu: put -> array) or is the underlying data structure different? I see if you create an object [array define] you get an object that opens a window on click, subpatch style, into a visualization of that array, but inside that window you can't edit properties (though maybe that is a bug because when I go to properties I get a message: "array: no method for 'done-popup'" in the main window). Thanks, Alex

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Pd-list November 2017