Pd-list April 2006

pd-list@lists.iem.at

136 participants
232 discussions

two different ways to search for files
by s.koepf 09 Apr '06

09 Apr '06

Hello, strange behavior (or a bug?): on XP an external.dll located in a directory where the path contains a white space is not found when trying to create the corresponding object [external]. But if you save and reopen this as pd file, pd finds the external.dll in the same directory. Why does pd use two different ways to search for files while creating objects and while opening a pd file? siegfried koepf

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wrapper for vst~ with load & save
by Peter Worth 09 Apr '06

09 Apr '06

i've been trying to write an abstraction which is a kind of wrapper for the vst~ object. i've attached what i've done so far. the only creation argument of the object is the dll name of the plugin you want to use. the idea is that you can then open the abstraction, edit the parameters of the plugin, then click on save, which writes all the parameters to a array, so that when you click on load the values are read from the array and set in the plugin. when the object is created it automatically loads the current array (which will have been saved from last time the patch was open). this means you dont have to set all your plugin values every time you open a patch. does anyone have a more elegant solution to this? it works fine excet for one problem: when i use the SIR convolution plugin, i think it remembers the filename of the impulse response that was previously selected but it doesnt seem to load it. thanks.

5 6

cvin
by astroboy2520＠sbcglobal.net 09 Apr '06

09 Apr '06

Hey all, I was looking at the cvbox, and it seems the cvin object for PD is nowhere to be found. Does anyone still has this object that may be able to forward to me or post to the list? I also looked through all the objects in PD, but couldn't see that it is included in the package. James

1 0

sinesum and phase
by alexandre matheson 09 Apr '06

09 Apr '06

hello, does sinesum automatically offset the phase of each partial by 180º? regards, Alexandre Matheson amatheso(a)alcor.concordia.ca iChat: ealx(a)mac.com

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smoother error
by patco 08 Apr '06

08 Apr '06

In the attached path I've isolated an error caused by [lop~]&[snapshot~] under some condition, anyone knows how to fix it? patco windowsXP, pd-0.39-2. #N canvas 0 0 458 308 12; #X obj 38 63 sig~; #X obj 39 141 snapshot~; #X obj 39 167 change; #X msg 138 141 \; pd dsp 1; #X msg 164 83 1; #X obj 38 99 lop~ 0.8; #X floatatom 100 17 5 0 0 0 - - -; #X floatatom 253 69 5 0 0 0 - - -; #X obj 129 62 loadbang; #X obj 7 42 hsl 128 15 0 1 0 0 empty empty empty -2 -6 0 8 -262144 -1 -1 0 1; #X obj 150 114 metro 10; #X obj 70 249 sendOSC; #X obj 290 7 dumpOSC 6666; #X msg 37 193 send /smooth \$1; #X obj 290 36 OSCroute /smooth; #X obj 319 107 pack f f; #X obj 342 75 t b a; #X msg 133 222 connect localhost 6666; #X connect 0 0 5 0; #X connect 1 0 2 0; #X connect 2 0 13 0; #X connect 4 0 10 0; #X connect 5 0 1 0; #X connect 6 0 5 1; #X connect 7 0 15 0; #X connect 8 0 3 0; #X connect 8 0 4 0; #X connect 8 0 17 0; #X connect 9 0 0 0; #X connect 10 0 1 0; #X connect 12 0 14 0; #X connect 13 0 11 0; #X connect 14 0 16 0; #X connect 16 0 15 0; #X connect 16 1 15 1; #X connect 17 0 11 0; ___________________________________________________________________________ Nouveau : tÃ©lÃ©phonez moins cher avec Yahoo! Messenger ! DÃ©couvez les tarifs exceptionnels pour appeler la France et l'international. TÃ©lÃ©chargez sur http://fr.messenger.yahoo.com

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OSC in Max/PD
by Arie van Schutterhoef 08 Apr '06

08 Apr '06

I was wondering if there's a difference between OSCroute in Max and PD? AvS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..................................................................... ` |Schreck Ensemble . . . . . . . . . . . . . . . . . . . . + ` |# -laboratory for live electro-acoustic music- # | | http://www.schreck.nl/ | | http://www.xs4all.nl/~schreck/ | ` *===========================================================++ ` |Compositions http://www.xs4all.nl/~schreck/html/compo.html | ` |Samples http://www.xs4all.nl/~schreck/html/samp.html | ` |Patches http://www.xs4all.nl/~schreck/html/pat.html | ` |Videos http://www.xs4all.nl/~schreck/html/video.html | ` |Scores http://www.xs4all.nl/~schreck/html/scores.html | *===========================================================++ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....................................................................

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Re: [PD] Reverberation in PD: suggestions?
by alberto.zin＠poste.it 08 Apr '06

08 Apr '06

Hi Derek, list, thanks for the suggestions.I think that the discussion that arose was quite interesting, the picture is a bit clearer now. BTW, good to hear that ParticleChamber will be updated ! See you soon with a "reverberating" patch from my side :-) Alberto Hi Alberto, alberto.zin(a)poste.it wrote: > About freeverb~: I noticed that in the past it used > to have 7 inlets, allowing some flexibility. In the > current PD-Ext distribution, the freeverb.dll has two > inlets, am I right? Anyone saw the disappeared inlets > around ? :-) Does anyone has a .dll with the other > controls (I saw them in Derek Holzer's ParticleChamber...) I don't have a DLL to offer, but I would advise you to look at the help file for the new [freeverb~]. All the functionality is still there, but it is now set with messages. Some of the settings aren't too bad, it depends on what kind of sound you want. Plenty of "water dripping in the empty bathroom" presets there, at least ;-) I really should update ParticleChamber for the new [freeverb~], and also to reflect almost three years of work I've put into in since I first published it! Maybe next week... best, d. -- derek holzer ::: http://www.umatic.nl ---Oblique Strategy # 49: "Display your talent"

1 0

compiling fluid~ using flext
by Rich E 08 Apr '06

08 Apr '06

Hello list, I tried compiling fluid~ today (I also tried using the binary from fbar's website, but it crashed pd because of fluidsynth's ladspa support, I think) and I could use some help. I sucessfully compiled flext and [pool] that used flext right before this, but using flext with fluid~ tells me this : [root@localhost fluid]# bash ../flext/build.sh pd gcc ------------------------------------------------------------------------- Your combination of platform, system and compiler is not supported yet. Required files: /config-lnx.def and /gnumake-lnx-gcc.inc ------------------------------------------------------------------------- /gnumake-lnx-gcc.inc] Error 1 do I need to edit one/both of those files to get fluid~ to compile? Or is there something else I'm missing? Lastly, do I need to use a special argument for disabling ladspa support? Thanks for any help, Richie

2 2

filename float
by Enrique Erne 08 Apr '06

08 Apr '06

hi all I'd like to make filenames like that: file-00001 file-00002 ... file-00702 file-00703 instead of: file-1 file-2 ... file-702 file-703 any idea how to achieve that? thanks eni

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deconvolution in pd
by Charles Henry 07 Apr '06

07 Apr '06

Hi, list, I've been planning a project for months to implement subband adaptive filtering in pd, to improve loudspeaker-room-microphone transfer functions. I wind up presenting a non-working project this weekend, because the deconvolution technique didn't work. I went with a superfast Toeplitz solver from the MaSe team in Leuven Belgium (thanks to Dr. Van Barel and his team), but I could never get it to stabilize. The output resembled the thing I wanted, but had a clear instability, which exponentially grew over the output, see screenshot for example. (The shown examples do not depict the wavelet transform, but the real time signal. The shown deconvolution is taken in the wavelet subinterval which contains the most mean square value.) I was torn between different methods for doing deconvolution: 1. Toeplitz solver: should show the 'best' value for least square error. In fact, in most cases the residuals do shrink to 10^-12 or 10^-13, but the lack of constraint on the solution allows it to blow up. This approach is not hopeless. Does anybody know of a way to (theoretically speaking): move from the L-S solution min( |Ax-b| ) to a constrained minimization problem, where we minimize (|Ax-b| + |x|) ? or remove all of the right-hand side poles in the Laplace domain ? 2. Fourier deconvolution: The only restriction here is that the signal spans the entire frequency range (which in terms of wavelets, is just an octave chirp). This I will probably try next, unless there's a feasible solution to repairing the busted Toeplitz solutions. 3. polynomial division: not as efficient as Fourier method...but with different results. Fourier deconvolution is the same as polynomial division, except that Fourier deconvolution always gives a 'zero' remainder even when it is not the best solution. Also, polynomial division without Fourier transforms gives O (N^2) complexity. Also, anybody got a different way to do deconvolution? Chuck

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Pd-list April 2006