Pd-list June 2007

pd-list@lists.iem.at

146 participants
264 discussions

Re: [PD] [ot][hardware] mini-itx
by padawan12＠obiwannabe.co.uk 30 Jun '07

30 Jun '07

I love these things. The original reason for trying them was to have a silent (no fan) system. The 533/600MHz Edens are wonderful for installations and really cheap now. Best all rounder is the 1GHz Nehemia imo, I've gigged with one instead of a laptop and they are very reliable. You can run them fanless with careful heatsinking. All the M series are good, many flavours to choose from. The downside of USB1 types is slow boot time. The most powerful mini-itx form are the Celerons, built a couple of custom small form factor servers for people using these and last time I checked they had almost a year of uptime. On the bad side...some of the advanced features like hardware mpeg decompression don't work without Windows. Also don't buy anything from mini-itx.com though. I had one DOA and after I shipped it back they never sent the goods. They don't answer any correspondence. Basically I got ripped off, really dodgy crooked company, so suggest you use http://www.icp-epia.co.uk/or an alternative. I'm currently shopping around for a small motherboard that I can put in a "headless" (no screen, mouse, keyboard) box as a laptop replacement for live performance. There's quite a few different processors to choose from on the Mini-ITX site, but I wonder if anyone has any experience using them for audio? Of course there's Intel Pentium M and Core, Core Duo and Celeron processors, as well as various VIA and Nehemiah CPUs. Any recommendable? Any to avoid? The system will be harddrive-less (Linux OS on CF card), so if anyone has any suggestions please let me know. best, derek -- derek holzer ::: http://www.umatic.nl ::: http://blog.myspace.com/macumbista ---Oblique Strategy # 174: "Water" _______________________________________________ PD-list(a)iem.at mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list

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disable autoconnect with -jack
by Atte André Jensen 30 Jun '07

30 Jun '07

Hi How do I start pd and *not* have it auto connect it's in and outs to jack? BTW: If it matters I compiled from source (0.40-2) under linux (debian/etch). -- peace, love & harmony Atte http://atte.dk | http://myspace.com/attejensen http://anagrammer.dk | http://atte.dk/compositions

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not working with asla card 2
by Atwood, Robert C 30 Jun '07

30 Jun '07

Hi folks: I discovered that my pd installation(s) on my desktop does not work with my alsa card 2. However, other applications including JACK and mplayer -ao alsa device=hw=2 work correctly. I am not quite sure when it stopped working, -- lately I've been playing with the laptop/ua25 and had not run pd on the destop for a while. I noticed when trying to install desire-data , then went back to vanilla PD and found it does not work either I had 0.39 installed from vanilla, so I also tried getting 0.40.2 and found that when running this version, card2 does not even show up in the menu at all. (media | audio settings) This is also the case with the Debian package version puredata_0.40.2-2_i386.deb Card 0 = dummy card 1 = virmidi card 2 = Sb Live! I swear it was working before ! Any ideas ... ? or, a pointer on how to get the card to come up as card 0 instead of card 2 ?

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dssi~
by victor 30 Jun '07

30 Jun '07

I compiled dssi~ on debian etch (adjunt) but dont appear the text of object's box, using pd extended. I supose the use is: [dssi~ /path/to/plugin] ======================================== dssi~: DSSI/LADSPA host - version 0.96 ======================================== dssi~: error: plugin not loaded After that error message I must to restart pd, because only may to see object lines, not text.

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servo control with pduino
by olsen 30 Jun '07

30 Jun '07

Hi so far for servo movements i'm using the Parallax Servo Controller PSC(USB) & a python script for sending the ascii paragraph to controll it. since the release of pduino 0.3 anyone played around with servos on pduino - would be a nice improvement to pduino controlling servos?! let me know if i could bear somewhere a hand on this greets olsen -- Planet Pluto bleibt!

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unposting text from the console.
by Mathieu Bouchard 30 Jun '07

30 Jun '07

now you can make an [unpost] object that is essentially just a pass-through to its own left outlet, except that it will collect all posts such as produced by [print] and error messages, and it will turn them into symbols, that can be picked up by symbolboxes and such. Here is an example screenshot: http://artengine.ca/desiredata/gallery/unpost.gif Those posts are only trapped while the left outlet message is still being handled. Things return to normal as soon as the left outlet message "returns" (that is, terminates). Chaining [unpost]s will do the expected thing, which is that the last activated [unpost] that is still active is the one that picks up the posts. (However you can't send to an [unpost] object that is already active.) _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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[PD-announce] desiredata mailing-list
by Mathieu Bouchard 30 Jun '07

30 Jun '07

desiredata(a)goto10.org is down at the moment. subscribers will get an email notice when it is back online. it shouldn't take more than a couple of days :) _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada _______________________________________________ PD-announce mailing list PD-announce(a)iem.at http://lists.puredata.info/listinfo/pd-announce

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(no subject)
by Mathieu Bouchard 29 Jun '07

29 Jun '07

On Fri, 29 Jun 2007, Alexandre Quessy wrote: > 3. pdm : the pd package manager I don't know you get to write sentences like "A package is a zip file containing XML file and its contents.". What does package management, as an abstract concept, has to do at all with XML ? And even in practice, it doesn't seem to have much to do with XML either: for example, both the .rpm format and the .deb format predate the .xml format, and you can pretty much that neither of them will be updated to use the magic of XML internally. It has to do in part with the fact that XML isn't magic at all. > 1. stdpd : The standard pd library I don't understand what problem would stdpd solve that your pdmtl abstractions don't already solve or that pd-extended as a whole doesn't already solve. You seem to be very mistaken about what is PERL's standard library vs what is PERL's package database. The example that you pointed to is exactly a huge package database akin to a full Debian OS but for PERL modules only. "Standard library" is normally meant to be that library that is always installed with pd. So far it means [fiddle~] [bonk~] [expr~] and only a handful more than that. If all that one ever sees is pd-extended though, standard library could mean a lot more; but overall, if you want to say "remodel all of pd-extended in the style of pdmtl abstractions namespacing" then why do you say that instead of confusing that with what is normally meant by "standard library"? > 2. pd-doc : the pd auto documentation tool Help-files are already documentation. While I think it *might* be an interesting project, it very much depends on details that you haven't stated, and that makes all the difference. If it needs a lot of boilerplate from the help-writers and programmers, you may forget it already, and if it just dumps the comments of each page in random order in a web page, you may also forget it already. You might consider building an automatic screenshot system. > 4. The pd objects wiki I think that it's worth fighting so that classes really get called classes, because that's all they are. It's not like pd is one of those systems that blur the distinction between objects and classes through the actual programming constructs themselves. The only blur of distinction is in the documentation and the workshops and the speech and all it achieves at that level is confusion about how pd works. (e.g. $0 is easier to explain if people know what a class is vs an object) I have no idea what you're talking about when you bitch about MediaWiki and praise MoinMoin. It doesn't seem to follow at all from any of the previous text. Either the link is obscure or a sentence is missing. > Also, if anyone is interested in contributing to the PdMtlAbstractions > with some patches or general help, please tell us. Here are some of my findings about pdmtl: * several signal classes names end in "_~" instead of "~" for no apparent reason. It seems that some nonsignal classes also end in "_" for no apparent reason. * some class names are "like-this", some are "like_this", and some are "likethis", for no apparent reason. While this happens in the much less controlled world of pd's externals repository, I would expect more from the pdmtl abstractions. * I think it's pretty standard that every *-help.pd file has to contain an object of the class that it documents. Breaking this rule by cutting the documentation into that and *-example.pd files seems pointless. It seems even more pointless when the content of both files together is small enough that it would fit very well in one single patch on a small screen. If you're lacking space you can use subpatches, but really, so far, *-example.pd files seems like a superfluous concept. * it's not obvious that "generate" is only for audio, and there might be lot of other classes outside of "generate" who might be understood like their purpose is to generate something. Especially confusing is the "synth" folder: why is anything of "generate" not in "synth" instead or vice-versa? * likewise, what's the difference between "fx" and "transform"? I don't get it. * the "math" folder is especially useless. As a math graduate I feel that your concept of "math" is something that I lost somewhere along my path, or maybe that I never had it. Anyhow, 99% of what I'd call math stuff is outside of the "math" folder, so, what's the point. * _index.pd files don't actually contain a list of the patches in the folder, so why is it called an index? * convert/lightwave2freq doesn't use the correct constant. 2.99792e+08 is the closest you can write in pd (the exact value is 299792458). Because of this, this abstraction doesn't do what it advertises. You may as well round pi to 3.14. * I see that you don't have a folder named "mapping" yet, but it's written in http://puredata.info/dev/PdLibraries, so I have to ask, what is a mapping? It seems like most object classes have the purpose "to map inputs to outputs". While browsing around in pdmtl abstractions, it seems like the term would apply to most of the stuff. So, what is that for? _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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question regarding pkg-config and aubio installation to work with PD
by tania habib 29 Jun '07

29 Jun '07

Hello List, I need some help/advice/suggestions regarding the problem I am facing nowadays. I have been trying to install aubio on my Mac osx but for that I need some other packages like fftw3, libsndfile, libsamplerate and pkgconfig. The first three are installed without any trouble but when I try to install pkgconfig. Do the following ./configure make make check Making check in check make check-TESTS /bin/sh: line 1: ./check-cflags: Permission denied FAIL: check-cflags /bin/sh: line 1: ./check-libs: Permission denied FAIL: check-libs /bin/sh: line 1: ./check-define-variable: Permission denied FAIL: check-define-variable /bin/sh: line 1: ./check-libs-private: Permission denied FAIL: check-libs-private /bin/sh: line 1: ./check-requires-private: Permission denied FAIL: check-requires-private /bin/sh: line 1: ./check-includedir: Permission denied FAIL: check-includedir =================== 6 of 6 tests failed =================== make[2]: *** [check-TESTS] Error 1 make[1]: *** [check-am] Error 2 make: *** [check-recursive] Error 1 ------------------------------------------------------------ If I ignore the errors and go ahead with aubio installation, after ./configure , it returns with error message like that checking for pkg-config... no checking pkg-config is at least version 0.9.0... ./configure: line 21348: no: command not found no checking for SNDLIB... configure: error: The pkg-config script could not be found or is too old. Make sure it is in your PATH or set the PKG_CONFIG environment variable to the full path to pkg-config. Alternatively, you may set the environment variables SNDLIB_CFLAGS and SNDLIB_LIBS to avoid the need to call pkg-config. See the pkg-config man page for more details. To get pkg-config, see <http://www.freedesktop.org/software/pkgconfig>. See `config.log' for more details. ------------------------------------------------------------------------------------------------------------------------------------------ after this I get this result and I do not know how to fix this problem. I tried posting a message on pkg-config list but did not get any positive results. I am hoping to get some feedback from someone who is using aubio and has encoutered such an error. Your help will be highly appreciated regards, tania

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Integer part
by Mathieu Bouchard 29 Jun '07

29 Jun '07

On Fri, 29 Jun 2007, Carlos Pita wrote: > how do I get the integer and decimal part of a pd float? I see that > there is an [int] object but it works as a memory too, a bit more of > what I need. you mean "a bit more than what I need"? If so, well, in pd, it's normal. Lots of pd objects have no way to tell whether a piece of information will be used only once, many times, or never. Because of that, nearly every right-inlet on Earth is keeping a copy of whichever previous value it got, even if that's something 50000000 bytes in size. However, in your case, it's just a float, that's 4 bytes, and that's not significant at all compared to the amount of memory just required to make any objectbox exist and be shown on the screen. > Maybe I could use [expr~]. Is there any standard or common way of doing > this? [int] but note that this rounds only towards zero. If you want another kind of rounding (such as downwards)... well, pd itself is quite lacking in that department, but you have several ways out, including: [t f f] | | | [wrap] | | [- ] where wrap can be found in the zexy library. _ _ __ ___ _____ ________ _____________ _____________________ ... | Mathieu Bouchard - tél:+1.514.383.3801, Montréal QC Canada

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Pd-list June 2007