Pd-list May 2007

pd-list@lists.iem.at

160 participants
312 discussions

[gem] interacting with objects
by victor 20 Aug '07

20 Aug '07

Hello, I'm testing with a patch for move objects in the gem render screen, using mouse. In adjunt you have a simple example I'd like: - Each object have a control surface, for example, a rectangle or square. If mouse is over active surface, we can do the interaction. - to have a index for each object. When I click on some control's square, I have the index of object active. That is more complex if we work in 3D or exist overlaping in several objects Right now, I have this troubles (with adjunt's patch): - Object clicked jump for to have center in mouse position. - If we move fast the mouse, we lose the object - I need a general work with position of mouse, not only relative to a size of screen are there some general patch for work with interactions? Thanks

5 7

signal weighted median filtering
by Charles Henry 22 Jul '07

22 Jul '07

Hi, list, I've created an abstraction for performing weighted median filtering on a signal using 5 coefficients. It's a real cpu hog. It uses heavily the expr, expr~ and fexpr~ externals, which leads to some redundant calculations on each sample. The test patch enclosed shows how effective this can be for removing impulsive noises from a signal (like the pops on a record). Chuck

3 3

self-centering random walk
by Claude Heiland-Allen 09 Jul '07

09 Jul '07

Here's an example of a random walk that is biased towards the middle of its range and is guaranteed not exceed its bounds. Hope someone finds it useful, I'm using it for melodies in a generative piece (I'll publish the full patch in a couple of weeks). Any statisticians want to analyse it further than I have? Anyone have any suggestions for improvements? Claude -- http://claudiusmaximus@goto10.org #N canvas 0 0 781 423 10; #X obj 21 103 f 5; #X obj 184 111 random 10; #X obj 184 137 moses; #X obj 162 194 +; #X obj 21 130 t f f; #X obj 65 225 max -100; #X obj 65 245 t f f; #X floatatom 65 267 5 0 0 0 - - -; #X obj 43 309 t f f; #X floatatom 43 331 5 0 0 0 - - -; #X floatatom 21 371 5 0 0 0 - - -; #X obj 21 26 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 1 1 ; #X obj 162 79 t f b f; #X msg 184 159 -1; #X msg 214 159 1; #X obj 43 288 min 100; #X obj 21 51 metro 100; #X floatatom 79 26 5 0 0 0 - - -; #X obj 21 168 t f f f; #N canvas 0 0 456 412 \$0-test-100 0; #X obj 314 172 moses; #X obj 292 229 +; #X obj 151 165 t f f; #X obj 292 114 t f b f; #X msg 314 194 -1; #X msg 344 194 1; #X obj 151 138 f 50; #X obj 314 146 random 99; #X obj 151 223 t f f; #X obj 151 274 + 1; #X obj 151 103 until; #X msg 33 304 normalize 1; #X obj 33 34 t b b b; #X msg 77 280 const 0; #X obj 33 331 s \$0-distribution-100; #X obj 151 297 tabwrite \$0-distribution-100; #X obj 151 251 tabread \$0-distribution-100; #X msg 151 76 100000; #X obj 33 12 inlet; #X connect 0 0 4 0; #X connect 0 1 5 0; #X connect 1 0 6 1; #X connect 2 0 8 0; #X connect 2 1 3 0; #X connect 3 0 1 0; #X connect 3 1 7 0; #X connect 3 2 0 1; #X connect 4 0 1 1; #X connect 5 0 1 1; #X connect 6 0 2 0; #X connect 7 0 0 0; #X connect 8 0 16 0; #X connect 8 1 15 1; #X connect 9 0 15 0; #X connect 10 0 6 0; #X connect 11 0 14 0; #X connect 12 0 11 0; #X connect 12 1 17 0; #X connect 12 2 13 0; #X connect 13 0 14 0; #X connect 16 0 9 0; #X connect 17 0 10 0; #X connect 18 0 12 0; #X restore 476 182 pd \$0-test-100; #N canvas 0 0 450 300 (subpatch) 0; #X array \$0-distribution-100 100 float 4; #X coords 0 1 99 0 128 100 1; #X restore 474 223 graph; #X obj 476 160 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1 -1; #N canvas 0 0 450 300 (subpatch) 0; #X array \$0-distribution-10 10 float 4; #X coords 0 1 9 0 128 100 1; #X restore 331 223 graph; #X obj 333 161 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1 -1; #N canvas 0 0 450 300 (subpatch) 0; #X array \$0-distribution-1000 1000 float 4; #X coords 0 1 999 0 128 100 1; #X restore 617 223 graph; #X obj 619 160 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1 -1; #N canvas 0 0 456 412 \$0-test-10 0; #X obj 314 172 moses; #X obj 292 229 +; #X obj 151 165 t f f; #X obj 292 114 t f b f; #X msg 314 194 -1; #X msg 344 194 1; #X obj 151 223 t f f; #X obj 151 274 + 1; #X obj 151 103 until; #X msg 33 304 normalize 1; #X obj 33 34 t b b b; #X msg 77 280 const 0; #X msg 151 76 100000; #X obj 33 12 inlet; #X obj 314 145 random 9; #X obj 151 137 f 5; #X obj 151 251 tabread \$0-distribution-10; #X obj 151 297 tabwrite \$0-distribution-10; #X obj 33 331 s \$0-distribution-10; #X connect 0 0 4 0; #X connect 0 1 5 0; #X connect 1 0 15 1; #X connect 2 0 6 0; #X connect 2 1 3 0; #X connect 3 0 1 0; #X connect 3 1 14 0; #X connect 3 2 0 1; #X connect 4 0 1 1; #X connect 5 0 1 1; #X connect 6 0 16 0; #X connect 6 1 17 1; #X connect 7 0 17 0; #X connect 8 0 15 0; #X connect 9 0 18 0; #X connect 10 0 9 0; #X connect 10 1 12 0; #X connect 10 2 11 0; #X connect 11 0 18 0; #X connect 12 0 8 0; #X connect 13 0 10 0; #X connect 14 0 0 0; #X connect 15 0 2 0; #X connect 16 0 7 0; #X restore 333 183 pd \$0-test-10; #N canvas 0 0 456 412 \$0-test-1000 0; #X obj 314 172 moses; #X obj 292 229 +; #X obj 151 165 t f f; #X obj 292 114 t f b f; #X msg 314 194 -1; #X msg 344 194 1; #X obj 151 223 t f f; #X obj 151 274 + 1; #X obj 151 103 until; #X msg 33 304 normalize 1; #X obj 33 34 t b b b; #X msg 77 280 const 0; #X msg 151 76 100000; #X obj 33 12 inlet; #X obj 151 251 tabread \$0-distribution-1000; #X obj 151 297 tabwrite \$0-distribution-1000; #X obj 33 331 s \$0-distribution-1000; #X obj 314 146 random 999; #X obj 151 138 f 500; #X connect 0 0 4 0; #X connect 0 1 5 0; #X connect 1 0 18 1; #X connect 2 0 6 0; #X connect 2 1 3 0; #X connect 3 0 1 0; #X connect 3 1 17 0; #X connect 3 2 0 1; #X connect 4 0 1 1; #X connect 5 0 1 1; #X connect 6 0 14 0; #X connect 6 1 15 1; #X connect 7 0 15 0; #X connect 8 0 18 0; #X connect 9 0 16 0; #X connect 10 0 9 0; #X connect 10 1 12 0; #X connect 10 2 11 0; #X connect 11 0 16 0; #X connect 12 0 8 0; #X connect 13 0 10 0; #X connect 14 0 7 0; #X connect 17 0 0 0; #X connect 18 0 2 0; #X restore 619 182 pd \$0-test-1000; #X text 332 22 self-centering random walk technique; #X text 333 45 probability of decrease decreases as the value decreases ; #X text 333 59 probability of increase decreases as the value increases ; #X text 356 160 N = 10; #X text 498 159 N = 100; #X text 645 159 N = 1000; #X text 330 118 calculated from 100000 steps; #X text 330 100 some value distribution graphs for walks in [0 \, N-1] ; #X text 87 331 min ---> 0 as time ---> inf; #X text 110 266 max ---> 10 as time ---> inf; #X text 329 355 self-centering-random-walk.pd (copyleft) 2007-08-10 ; #X text 329 372 Claude Heiland-Allen <claudiusmaximus(a)goto10.org>; #X connect 0 0 4 0; #X connect 1 0 2 0; #X connect 2 0 13 0; #X connect 2 1 14 0; #X connect 3 0 0 1; #X connect 4 0 18 0; #X connect 4 1 12 0; #X connect 5 0 6 0; #X connect 6 0 7 0; #X connect 6 1 5 1; #X connect 8 0 9 0; #X connect 8 1 15 1; #X connect 11 0 16 0; #X connect 12 0 3 0; #X connect 12 1 1 0; #X connect 12 2 2 1; #X connect 13 0 3 1; #X connect 14 0 3 1; #X connect 15 0 8 0; #X connect 16 0 0 0; #X connect 17 0 16 1; #X connect 18 0 10 0; #X connect 18 1 15 0; #X connect 18 2 5 0; #X connect 21 0 19 0; #X connect 23 0 26 0; #X connect 25 0 27 0;

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GEM and chromium
by august 17 Jun '07

17 Jun '07

I am currently trying to compile GEM CVS so that it is compatible with the current version of Chromium (1.9), and am having trouble getting the Gem.lib to load while chromium is "faking" the opengl calls. Has anyone gotten this to work already? Without using the Chromium environment, PD runs fine with GEM on the "mothership". But, when I try to run PD/GEM under Chromium, I get library loading errors for things like : glGetShaderInfoLog, glDeleteProgram, etc.) Is there a way to compile GEM without glsl support entirely? I can't find any way to ./configure it so that glsl is disabled. I'm pretty confident this should fly, just need to ditch the glsl. thanks -august.

3 3

basic composition tutorial
by Andy Farnell 14 Jun '07

14 Jun '07

Hi, Any feedback on a new document would be nice. I've tried to provide an absolutely minimal elementary intro to making music with Pd. This is the first doc, which I did as a guide for a workshop in Bristol next month. http://www.obiwannabe.co.uk/html/music/musictuts/compose1/composition1/comp… I'm using the new tool scripts for working in TeX, so thanks once again to all who helped me make those work. Cheers, Andy -- Use the source

5 12

switch~ & cputime climbing
by Phil Stone 13 Jun '07

13 Jun '07

Hi, I'm getting a slow-but-steady climbing CPU when running some synthesis patches. I (like the poster below) have sub-modules that can be switch~ed on and off. An archive search turned up the following un-replied post: > Hi all > > Okay. I'm stumped. > > Recently, I've noticed that my cpu meter has been steadily rising. I > think I may have found the culprit. > > A while back I thought I'd put a power switch (just a switch~ object) > on my poor-man's granular delay line, as my performance patches are > getting a bit bulky. > > Try this (if you have the time): > > http://www.sideshowmedia.ca/cputest.zip > > cputest.pd: (needs expr, but I think that's all) > > 1. turn on audio in pd, but leave the power (p toggle) in "lois" > off. Watch the cpu meter climb (over a period of 5 minutes or so - > the toggle prints the cputime every 10 seconds). On my computer (G4 > Powerbook, HCS extended 0.38.4) it starts around 5% and hits 10% > after 5 minutes. > > 2. Do the same with "lois" on. For me, cpu hovers around 13-14%. No > increase. > > 3. Repeat step 1. After 10-15 minutes, cputime is higher than with > "lois" on. Switch "lois" on, and cpu drops. Huh? > > I have no idea what's going on, but am I missing something > important? Thanks in advance. > > cheers > dafydd > Does anybody have any insight on this? I don't remember this happening until fairly recently, but don't know if it dates to when I started switch~ing modules. I'm currently running 0.39.2-extended RC1 on a MacBook Pro. Phil Stone

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Question about possible SQL/MySQL Externals
by Mike McGonagle 13 Jun '07

13 Jun '07

Hello all, I was wondering if anyone had thought of creating an interface set of externals for storing and retrieving data from a Database? Basically, I was interested in seeing if anyone has created some externals that do basic SQL transactions. Or is this something that is not very practical? Mike McGonagle If you think you can, or you think you can't, you are probably right. —Mark Twain

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[OT] Voice Synth
by josue moreno 09 Jun '07

09 Jun '07

Hi everyone, can anyone tell me if there is some software for simulate singing voices? It can be cool if there is a spanish oriented one my OS is Mac OS X 10.4.8 ppc thanks _________________________________________________________________ Descarga gratis la Barra de Herramientas de MSN http://www.msn.es/usuario/busqueda/barra?XAPID=2031&DI=1055&SU=http%3A//www…

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PD i education
by Eirik Arthur Blekesaune 04 Jun '07

04 Jun '07

Can anybody help me point out who uses PD to teach electronic music? .. (Algoritmic) Composistion Synthesis DSP-theory real-time performance What are the pros and cons for using it to teach DSP-theory? Best, Eirik Blekesaune

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Fwd: Re: hid compiling problem.
by Diego Azar 04 Jun '07

04 Jun '07

Note: forwarded message attached. --------------------------------- Pinpoint customers who are looking for what you sell.

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Pd-list May 2007