Pd-list March 2016

pd-list@lists.iem.at

71 participants
85 discussions

Does PD find you a job?
by Andrea 15 Mar '16

15 Mar '16

I'm learning PD for fun and personal interest, but I was wondering if it's good résumé material as well. Did any of you, or someone you know, find jobs based on PD skills? Thanks in advance for your experiences.

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Deken problem installing certain libraries - Rasbian
by Ingo 15 Mar '16

15 Mar '16

I'm having a problem installing certain libs via Deken. For some libraries it works fine for others (like ext13 in this case) I get this error message: apt: :install failed install pd-ext13=0.17.1-2 Did you provide the correct password and/or is the apt database locked by another process? Can anybody help me resolving this issue? Thanks, Ingo

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vanilla dialog updates
by Dan Wilcox 15 Mar '16

15 Mar '16

Howdy all, Spring break is here and I finally got around to finishing off the set of dialog updates I had for vanilla. Comparison screenshots are in a Flickr album: https://www.flickr.com/photos/danomatika/sets/72157663617342144 <https://www.flickr.com/photos/danomatika/sets/72157663617342144> I also opened a reference PR on the github PD mirror: https://github.com/pure-data/pure-data/pull/9 <https://github.com/pure-data/pure-data/pull/9> Let me know what y’all think. -------- Dan Wilcox @danomatika <https://twitter.com/danomatika> danomatika.com <http://danomatika.com/> robotcowboy.com <http://robotcowboy.com/>

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Profiling PD patches and externals.
by Rafael Vega 14 Mar '16

14 Mar '16

Hi. I've been working on a synthesizer built with PD and running it on a BeagleBone Black [1]. For this, I've written a number of abstractions and two externals. Right now the synth is monophonic and uses 100% CPU when started, causing many audible clicks and artifacts. After about 5 seconds, it "stabilizes" down to 75% CPU and the latency and sound is pretty good. Now, I need to make the synth polyphonic so CPU time has to be freed for the additional voices. For this, I'm thinking about building PD with debug symbols and running my patch through a profiler such as Callgrind/KCacheGrind to try to figure out where most CPU consumption is happening and optimizing around that. Can anyone share any techniques or tips used to optimize PD patches and externals? Are there any tools specific for PD for this kind of task? Any reason why my approach would or would not work? Thanks! Rafael Vega. [1] http://beagleboard.org/black

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Re: [PD] Does pd find you a Job?
by Servando 14 Mar '16

14 Mar '16

Lately there are a lot of rhetorical questions about pd around… Does pd find you a Job? No, pd doesn’t .. you do, with your skills… But I always knew that Pd was the right choice to do. I have done a 60 mts video installation inside of a tunnel, several video mappings in a record time. almost “guerrilla mapping”. Hacked a 40’s telex machine, Made an interactive dance piece with several networked computers /cams /beamers and made patches for a famous artist which found limitations in His Modular Synthesizers.. All of this with pd, and also Raspberry and Arduino. I guess flexibility, Power, depth, stability, modularity, etc.. Are desirable characteristics in a tool of choice. Also the fact that it’s Open Source, it really multiplies it’s capabilities.. And I know that I’m not a slave of any company owning the software and making the wrong things over and over again.. I don’t know of other software that can get even close to the “power” of pd.. (I know max, yes, and it will never be my tool of choice.) “True freedom is impossible without a mind made free by discipline.” S

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New sounds using Pure Data
by oscar santis 14 Mar '16

14 Mar '16

"Desde La Caja" [pn103] http://www.pueblonuevo.cl/desde-la-caja.htm This is my new album. It's made using Pure Data, likembe, pedals and SoundBoxes (Derek Holzer's sound tool). Download, hear and share it. Patches are here: http://puredata.info/Members/oscarsantis/patches/fm4seq_sampler_d.pd/at_dow… http://puredata.info/Members/oscarsantis/patches/cip-spectral_poetry.pd/at_… They are a combination and modification of many sound structures designed by Johannes Kreidler, Martin Brinkmann, Malte Steiner, Derek Holzer, me and another ones taken from Pure Data 3.audio examples folder. Every one is free for use and improove them. You need zexy, iemlib and unauthorized. Best Óscar Santis escultor, pintor, músico ruidista http://www.oscarsantis.com +56 9 75802965

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Re: [PD] Does PD find you a job?
by Jakub Pišek 14 Mar '16

14 Mar '16

Yes, I can be freelancer doing my best with main tool - pd running linux, controlling audio/video for stages. Last years mostly contemporary dance, theatre, projection mapping, personal electronic music projects, but many more. Very interesting! From what i can say, at least directors are usually very happy for my flexibility with pd. k On 03/14/2016 08:18 AM, pd-list-request(a)lists.iem.at wrote: > I'm learning PD for fun and personal interest, but I was wondering > if it's good résumé material as well. > > Did any of you, or someone you know, find jobs based on PD skills? > > Thanks in advance for your experiences.

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Re: [PD] How's Pd limited?
by Samuel Burt 14 Mar '16

14 Mar '16

David, One thing I attempted and couldn't find a solution for was the following, mostly owing to the limitation of interfacing with a 64 sample block size. I wanted to have a directory of hundreds of audio recordings. Each one would be a single wavelength from an interesting sound, like a bass clarinet, marimba, harpsichord, tambourine, etc. Each would begin and end at a zero crossing so you could chain them together to make complex timbres. They could be chained in sequence, randomized, or loaded in meta-data-matched chunks. I ran into a problem figuring out how to trigger the next sound based on the ending of the last sound in a sample accurate way. Sound file loading or even buffer playback triggering waits until the start of the next block size before it updates. If you have a waveform that lasts 205 samples (64+64+64+13), you have a gap of 51 silent samples before the next waveform would start. Not only do you not get the continuous sound you want, this winds up creating a periodic pattern with a frequency of 689 Hz (44100/64). David, I like your idea "what (if anything) someone tried to do in Pd, but couldn't given its limitations". I think this could be a wonderful challenge if we could have a monthly thread like this where the best minds among us come up with solutions to some of the hardest conceptual challenges in Pd. I'm still struggling with loading dozens of files, audio dropouts, and other similar problems. Someone else expressed frustration about Pd's single-threaded status. I too have feared upgrading my computer based on the limitations of current multicore processors (although realistically I think we can all look at the "turbo-boost" level or whatever Intel calls it to determine where our processor might run with a demanding patch. I understand the fact that you can't run your audio process on multiple cores, because it is a linear process. It would be great if the GUI could run on a second core, a process that loads audio into memory could run on third core, while GEM could automatically run on a fourth core. I don't have any concept of how feasible that would be, though. Does the GUI in pd-l2orc run on a separate core? Sam > Message: 4 > Date: Tue, 23 Feb 2016 09:01:06 -0800 > From: david medine <dmedine(a)ucsd.edu> > > One thing I'd be interested in knowing about is what (if anything) > someone tried to do in Pd, but couldn't given its limitations (apart > from look/feel/convenience issues). > >

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abs for the new list methods
by patrice colet 11 Mar '16

11 Mar '16

Hello, I'd like to know if there are some goodies somewhere like list-abs with the new list methods, like replacing some [zexy/list2symbol] with some [list from symbol] magics and trying to stay in vanilla world.

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multiple [send] arguments
by Liam Goodacre 10 Mar '16

10 Mar '16

If the [send] object could send to multiple locations at once (ie. [send one two three] ), it would save a lot of work with connections, as in the attached situation. Would other people like to see this happen?

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Pd-list March 2016