Pd-list October 2007

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166 participants
302 discussions

reset a block
by hard off 15 Oct '07

15 Oct '07

is there any way to reset a block? i am using the guts from the phase vocoder in the documentation, but it clips off the attack when i trigger percussion samples. so what i need to do (unless someone has a better suggestion) is retrigger the block at the same as triggering the sample to play. is that possible?

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new external: oscbank~
by Rich E 15 Oct '07

15 Oct '07

I finally brushed up this code and got it ready for release, which was written during an internship a couple summers ago. [oscbank~] is, well, an oscillator bank. It can synthesize hundreds of partials while interpolating their time varying frequencies and amplitudes. Each partial needs a unique index to operate and it is turned off once the amplitude reaches zero. Other features: - an array within pd can be specified as the lookup table. - the maximum number of partials can be set dynamically, although it is originally set to 100. I got it going at 1000 today with 57% cpu usage. I know it can get better than this (any coders have suggestions?) The main intention for this external is to synthesize sinusoidal models that are made by applications such as Spear, SMS, or Loris. These programs store the analysis model in SDIF files, which then need to be imported into pd. I have an external for this too, which is next to be released (still buggy). Other planned features (possibly in separate externals) - noise bandwidth for sinusoids (see http://citeseer.ist.psu.edu/460993.html). This would allow synthesis of Loris' spectral models in real-time.. https://puredata.info/Members/Richie/externals/oscbank~0.1.tar.gz I look forward to reading any comments or suggestions! rich

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SOM experts...
by B. Bogart 15 Oct '07

15 Oct '07

Hey all, Johannes in particular, According to Medler: http://neuron-ai.tuke.sk/NCS/VOL1/P3_html/node28.html#SECTION00045000000000… "...Consequently, more frequently occurring stimuli will be represented by larger areas in the map than infrequently occurring stimuli." Which leads me to believe if you present a SOM with the same pattern, the number of nodes that fire should increase proportional to the frequency of the pattern. Problem is I can make ann_som do that, not matter what rules I specify (using the regular decreasing learning rate). If I send the same pattern to the som 10000 times, only one node will fire for that duration. Am I misinterpreting the text? Also by default does ann_som using time-seeded random numbers or regular random numbers? I ask because it appears the same node always wins at the start... (the biggest number). Is there a FANN mailinglist for the discussion of such issues? (http://leenissen.dk/fann/ is timing out for me.) Thanks, B.

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Re: [PD] translations for pdpedia templates Nederlands
by robbert van hulzen 15 Oct '07

15 Oct '07

if i may quickly mix in with this: 'status' works in dutch too. cheers, robbert hc wrote: > > It seems that the talk on this one has died down. There is one word > which I forgot to include, "status", like this: http:// > wiki.puredata.info/en/Status > > Other than that, is this one ready to go?

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Re: [PD] Good sounding PD reverb patches - anyone?
by Patrice Colet 14 Oct '07

14 Oct '07

Thomas Jeppesen a Ã©crit : > Hmm.. this is strange, but I can't seem to find it. Perhaps if you pack > the file it will get through Norton. > > Oh, and thank you for your effort :) > > > Patrice Colet wrote: >> Thomas Jeppesen a Ã©crit : >>> Yes several times, but it's difficult to figure out, and I've never >>> succeded in making it work 100%, so after trying for hours, I gave up >>> on it. >>> >>> hard off wrote: >>>> did you try freeverb~ ? >> >> Hi >> Look into your spams, I've built the partconv~.dll, and sent you but >> it has been "banned" by your mail client >> >> > > hello, You still can get the file in pd-list archive http://lists.puredata.info/pipermail/pd-list/2007-10/055022.html rename the .bin file with "partconv~.dll", the .txt is a makefile for mingw

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[Gem] pix-texture problem on windows
by Thomas Mayer 14 Oct '07

14 Oct '07

Hello, I use pd-extended 0.39.0-rc5 on both a Debian and Windows Vista system (XP binaries for the latter). While editing the patch in Debian, there is no problem, but the Vista system can't pass textures on with [gemhead] | [pix_(movie|film|image)] <-- reg_exp for human reading only | [pix_texture] | [gemhead] | | | [pix_texture] | [square] Is this a known issue with Windows or just with Vista? Thanks in advance, Thomas -- "Prisons are needed only to provide the illusion that courts and police are effective. They're a kind of job insurance." (Leto II. in: Frank Herbert, God Emperor of Dune) http://thomas.dergrossebruder.org/

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distributer processing of gem chains
by punchik punchik 14 Oct '07

14 Oct '07

hello, is it possible to process 3 different parts of the same patch in 3 different computers and then render all in one gem window? thanks pun ____________________________________________________________________________________ Yahoo! oneSearch: Finally, mobile search that gives answers, not web links. http://mobile.yahoo.com/mobileweb/onesearch?refer=1ONXIC

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file access audio glitches
by Phil Stone 14 Oct '07

14 Oct '07

Hi everybody, I'm not even certain this is a problem across all operating and sound systems; it certainly is a problem on my setup with OS X. Any sort of file access has the possibility (*probability* on the first access to a given file) of causing audio dropouts. For instance, if I use [tunetof] to load in new scale data, the first time I access a given scale file, there's a dropout. Subsequent accesses of that same file don't seem to cause dropouts. I currently just switched to PD 0.40.3-extended, but this has been happening for as long as I can remember -- several versions back. Is this behavior common across PD, or just something intrinsic to OS X or my sound hardware? Also, is it some kind of file caching that's keeping subsequent access to a file from causing dropouts? Phil Stone pkstonemusic.com

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Reset pix_record?
by Dafydd Hughes 14 Oct '07

14 Oct '07

Hi folks I'm trying to use pix_record to record several short clips from pix_video. pix_record doesn't seem to be resetting its frame count with each new file, so for instance clip 1 is frame 0 -9, then clip 2 is 10 still frames, then the 10 frames of video I recorded. Likewise clip 3 starts at frame 20. Am I missing something? OS X Pd-Extended 3.9.3 cheers dafydd

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Syncing an event with refresh rate in GEM
by Batuhan Bozkurt 13 Oct '07

13 Oct '07

Hi, A friend from our schools psychology department wants to use PD and GEM for an experiment. Here is his question and attached is the example patch. We need you help on this. Thanks. ------------------------------------- OK, this is the patch that I'm going to use to conduct a research on cross-modal interactions in human perception. I'd be happy to fill anyone in on the topic because generally human cognition is fun to poke around. So the required stimuli are a "beep" sound (which is a 3.5khz sine with 7 ms duration) and a "flash" (which is basically a white circle visible only for 20ms). The problem is, it is very hard for an object to "flash" with this short duration. If you look at the patch you'll see that less than 50% of the trials do not produce anything. I have to come up with a workaround to this and I thought maybe if I can syncronize the onset of the flash with the refreshing rate, I can at least make the disk visible for all of the trials. I can sacrifice the precision in terms of duration but that is bound to happen I guess. I made this patch on windows with my laptop with a poor refreshing rate and another laptop with Macosx did not perform any better on the task(they are both 60hz screens). But I am guessing that a non-lcd monitor may do better? Any comments or suggestions on this? Relevant information on the stimuli and the procedure can be found in this reference article for those of you who are interested "Visual illusion induced by sound" by Ladan Shamsa, Yukiyasu Kamitanib, Shinsuke Shimojoa. #N canvas 78 53 295 395 10; #X obj 13 248 gemhead; #X msg 101 259 0 0 0; #X obj 13 311 disk 3 40; #X msg 72 173 255 255 255; #X obj 72 147 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1; #X text 158 232 problem number; #X obj 72 200 t b l; #X obj 20 30 cnv 15 100 60 empty empty empty 20 12 0 14 -195568 -66577 0; #N canvas 0 22 454 304 gemwin 0; #X obj 132 136 gemwin; #X obj 67 89 outlet; #X obj 67 10 inlet; #X obj 67 41 route create; #X msg 67 70 set destroy; #X msg 142 68 set create; #X msg 198 112 destroy; #X msg 132 112 create \, 1; #X connect 2 0 3 0; #X connect 3 0 4 0; #X connect 3 0 7 0; #X connect 3 1 5 0; #X connect 3 1 6 0; #X connect 4 0 1 0; #X connect 5 0 1 0; #X connect 6 0 0 0; #X connect 7 0 0 0; #X restore 25 69 pd gemwin; #X msg 25 50 create; #X text 21 29 Create window:; #X obj 101 233 delay 20; #X obj 13 284 color 0 0 0; #X connect 0 0 12 0; #X connect 1 0 12 1; #X connect 3 0 6 0; #X connect 4 0 3 0; #X connect 6 0 11 0; #X connect 6 1 12 1; #X connect 8 0 9 0; #X connect 9 0 8 0; #X connect 11 0 1 0; #X connect 12 0 2 0;

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Pd-list October 2007