Pd-list July 2005

pd-list@lists.iem.at

116 participants
170 discussions

Re: [PD] graphic band filter (newbe)
by Georg Holzmann 16 Jul '05

16 Jul '05

Hallo! >> hopefully some people will give you some good advice, because i would >> also like to see a good EQ for pd... ... > [fir~] is EXACTLY what I wished :) hm - I don't this that an [fir~] is that good if you want to design EQs ... The standard EQs are normally designed with shelving and peak/notch filters (wich are a combination of allpass, so IIR filters ...) There are a lot of filters in the iemlib (e.g. hml_shelf~, ...) and I think Miller also described some filter-design methods in his book ... LG Georg -- GMX DSL = Maximale Leistung zum minimalen Preis! 2000 MB nur 2,99, Flatrate ab 4,99 Euro/Monat: http://www.gmx.net/de/go/dsl

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Re: [PD] graphic band filter (newbe)
by Lazzaro Nicolò Ciccolella 16 Jul '05

16 Jul '05

hard off ha scritto: > hopefully some people will give you some good advice, because i would > also like to see a good EQ for pd... > > but for the moment, the objects [lop~] [hip~] and [fir~] > > are all i know about. > many many thanks ! [fir~] is EXACTLY what I wished :) -- Lazzaro

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array vertical values defined dinamic
by jmmmp 16 Jul '05

16 Jul '05

Hello, did I miss something in the help files, or it isn't possible yet to change dinamically the vertical values of an array through message commands? (as opposite to the horizontal size) would anyone consider this feature useful even for the standard version of pd? Joao -- -- Lugostr. 14 79100 Freiburg i. Br. Deutschland +49 (0)761 7074997 jmmmp(a)arcor.de

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graphic band filter (newbe)
by Lazzaro Nicolò Ciccolella 16 Jul '05

16 Jul '05

Hi all, I try to realize a graphical band filter in pd (something like those large pieces of iron with many red leds in stereo HIFI rack :)). I thought to control this multi-band filter with an Array of 256 (or less) values, (everyone of which indicated the value in DB of one determined band). Someone can address me towards some example in the documentation of pd, or can help me with some idea in order to begin in this work ? many many thanks for whichever aid -- Lazzaro

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gem crash
by Ales Zemene 16 Jul '05

16 Jul '05

wow, sending destroy to gemwin mostly causes crash of whole pc. only switching rendering off first, sometimes helps. Sometimes. Crashing even on simple example patch curve.pd. Hard to reproduce since it needs restart machine, i'd like some hints where to look for problems and what is actualy happening. Did not find anything suspicious in logs. 2.6.11.6 Pentium III MHz : 1004.257 nVidia GeForce4 Pd version 0.38.4 GEM: ver: 0.90 GEM: compiled: Sep 16 2004 Ales Zemene -- irc.kunstlabor.at #kunstlabor http://ostrov.mur.at

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Re: [PD-announce] pd 0.37 test 4 (first public test) released
by Mathieu Bouchard 16 Jul '05

16 Jul '05

On Fri, 15 Jul 2005, Miller Puckette wrote: > There are new "data" features too, although these aren't documented yet... what do they do? ,-o--------o--------o--------o-. ,---. irc.freenode.net #dataflow | | The Diagram is the Program tm| | ,-o-------------o--------------o-. `-o------------o-------------o-' | | Mathieu Bouchard (Montréal QC) | | téléphone:+1.514.383.3801`---' `-o-- http://artengine.ca/matju -'

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key / keyup on osx
by hard off 15 Jul '05

15 Jul '05

hi....i am getting weird glitches using key and keyup on osX i want effect X to be triggered while i have my finger down on key Y....but in reality, the effect is "flickering" on and off, is this a problem with my keyboard, or the mac os, or pd's key objects...?? or am i doing something else wrong???

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gem installation on mac os 10.3.9
by rene beekman 15 Jul '05

15 Jul '05

hi, i'm trying to get gem to run on mac os 10.3.9 i have pd 0.38-3 app in /Applications and i've copied gem.pd_darwin into "/Library/Application Support/Pd" i've made a .pdrc in my home dir, which includes the line: -lib '/Library/Application Support/Pd/Gem.pd_darwin' the space in the path is giving me problems; pd cannot find the library at /Library/Application ... i've tried double quotes, same result is there a way to make pd accept a path with a space in the name??? i'm sure i'm not the first one to come up against this problem i've searched the archives, but have been unable to find anything other than a message about ubumenu installation on os x with a reference to spaces in paths being potential problems... without wanting to start an endless argument about where things should be installed under unix/linux and derivatives and whether or not os x had anything to do with unix, the above setup is normal expected installation under os x thanks for any pointers rene

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pd eats 100% cpu after suspend ...
by Thoralf Schulze 15 Jul '05

15 Jul '05

Hi everyone, just discovered that if my laptop wakes up from standby and if there is an instance of pd running, the latter takes up all available cpu ressources until I change the state of pd's audio processing switch. This is on an IBM Thinkpad 570e, running pd 0.38-4 on Win2k SP4. Is anyone else experiencing the same glitch, or is windows to blame? with kind regards, thoralf. ___________________________________________________________ Yahoo! Messenger - NEW crystal clear PC to PC calling worldwide with voicemail http://uk.messenger.yahoo.com

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Re: VASP, numarray etc..
by Thomas Grill 15 Jul '05

15 Jul '05

Hi Ben, i'm cc'ing to the list, since this might be interesting for others too > I got a pixelTANGO bug report about the new "symbol" type in py. Seems > symbols are no longer mapped to strings in python but remain some py > type of "symbol" of course the normal string processing methods (not > functions) don't work. > right, there's a Python type "Symbol" now, that encapsulates pd t_symbol pointers. > So can I use str() to convert the symbol to a python string? Does py > convert a string back to a symbol when PD gets it? Yes and yes. > Is there any > documentation for py now? I seem even more confused with this latest > release about types and available methods. (does the symbol type now > have special symbol only methods?) Not really, it can be compared to other symbols and cast to string (and in the cvs version also works as a normal immutable Python sequence.) > I'm finding the included examples > less than ideal for learning the API... Hmmm, you're right. The thing is that i wanted to put out the current state so that i can work on new features. I'm sure i'll find more time soon to work on a real tutorial. > > I think Miller would be better to add a "matrix" data type than an > image > type, somehow to unify vasp, gridflow and iemmatrix so that they can > all > pass (or at least convert) data to the different forms. > Oh and what is the projection for the VASP rewrite? > I'm working on the vasp rewrite now - most of the functionality is covered by numarrays already. As previously stated, vasp will be a Python module (mostly extending numarray functionality) that is used from within py/pyext. py has been extended (in cvs) so that Python object pointers can be passed between several instances of py in the patcher, like [vasp( messages in the old version. I'll give an overview of the new features as soon as the naming/syntax has stabilized. Concerning PD arrays and matrices i already stated that i'm considering introducing a new type that is based on numarrays. This seems convenient since numarrays can map to existing memory and therefore also be able to interact with Miller's data structures. Numarrays are extremely flexible (multi-dimensional, all relevant types, also non-contiguous) and is seems very likely that they become the basis for a Python core array type. The only basic problem that i see for now is the locking of the Python interpreter state, which could collide with realtime operations in PD. This is not a problem if Python is used only in single-threaded mode, but since scripting isn't too fast this seems like a drawback. Let's see if i can work around this. For numarrays to be really efficient for audio and video application it will also be necessary to optimize the ufuncs which are at the moment implemented too straightforward (auto-generated) without SIMD or MMX... this is a target for the vasp project as well. best greetings, Thomas

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Pd-list July 2005