Pd-list May 2005

pd-list@lists.iem.at

132 participants
218 discussions

maxlib
by Tim Blechmann 28 May '05

28 May '05

hi olaf ... since it seems that you have abandoned pd, are you still maintaining maxlib? there is a bug in src/gauss.c, which can be fixed by applying this patch: *** gauss.c.~1.5.~ Sat May 21 13:22:03 2005 --- gauss.c Sat May 28 21:39:43 2005 *************** *** 53,58 **** --- 53,59 ---- floatinlet_new(&x->x_obj, &x->x_mu); outlet_new(&x->x_obj, &s_float); x->x_sigma = fs; + x->x_mu = fm; return (x); } *************** *** 80,86 **** { rand_gauss_class = class_new(gensym("maxlib_gauss"), (t_newmethod)rand_gauss_new, 0, sizeof(t_rand_gauss), 0, A_DEFFLOAT, A_DEFFLOAT, 0); ! class_addcreator((t_newmethod)rand_gauss_new, gensym("gauss"), A_DEFFLOAT, 0); class_addbang(rand_gauss_class, rand_gauss_bang); class_sethelpsymbol(rand_gauss_class, gensym("maxlib/help-gauss.pd")); } --- 81,87 ---- { rand_gauss_class = class_new(gensym("maxlib_gauss"), (t_newmethod)rand_gauss_new, 0, sizeof(t_rand_gauss), 0, A_DEFFLOAT, A_DEFFLOAT, 0); ! class_addcreator((t_newmethod)rand_gauss_new, gensym("gauss"), A_DEFFLOAT, A_DEFFLOAT, 0); class_addbang(rand_gauss_class, rand_gauss_bang); class_sethelpsymbol(rand_gauss_class, gensym("maxlib/help-gauss.pd")); } would be great if you could commit it ... thanks ... tim -- mailto:TimBlechmann@gmx.de ICQ: 96771783 http://www.mokabar.tk latest mp3: kMW.mp3 http://mattin.org/mp3.html latest cd: Goh Lee Kwang & Tim Blechmann: Drone http://www.geocities.com/gohleekwangtimblechmannduo/ After one look at this planet any visitor from outer space would say "I want to see the manager." William S. Burroughs

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[Fwd: Re: [PD] RE: audio click and windows firewall]
by cyrille henry 28 May '05

28 May '05

oups, I forget to reply to the list! -------- Message original -------- Sujet: Re: [PD] RE: audio click and windows firewall Date: Sat, 28 May 2005 18:36:33 +0200 De: cyrille henry <cyrille.henry(a)la-kitchen.fr> Pour: Phillip Stearns <mindphone_divided(a)yahoo.com> RÃ©fÃ©rences: <20050528155455.83835.qmail(a)web51303.mail.yahoo.com> hello Phillip Stearns a Ã©crit : > Hello- > > >>i just discover that the windowsXP firewall does >>filter all message from >>pd (0.38) to it's gui. this can cause lot's of click >>or other trouble in >>the audio processing. > > > Where are the clicks happening or are likely to > happen? the clicks can happend when the firewall filter data : when you send lot's of information to the gui, or over the network. > I've been running PD .37 up to .38 on XP > machines with scarcely a problem. yes, no there is no problem if you don't have lot's of thing in your gui. > > I do notice that Norton and the Windows firewall > attempt to block communication but I have told the > firewall to Unblock PD. It prompted me upon opening > PD recently. yes, usually you just nead to say "allow this connection". but the firewall is slow. even if the firewall do not block the connection, it have to check for every packet if it can pass or not. and if it filter to much packets, it can stop the other process for too much time... > > Again... all my patches have been click free from > quite some time (even the hairy granular patches). I > still haven't gotten into working with my own FFT > patches but I suspect that maybe this is where the > click could happen? Really I'm clueless as to what > the trouble is all about. the firewall slow down communication from pd to it's gui. this does not mean that you will have audio click, but it helps. In my application, (with a P4, 3,2GH HT, about 30% cpu used by the patch, 200ms audio buffer) when i was sending about 50 packets from a single bang (over the network or localhost), the all computer freze for about 200 or 300ms. (gui + audio + gem + ...) i have no problem witout the firewall. But I made a litle mistake : it's not really microsoft firwall, but McAfee firwall that was provided with windows by dell as a remplacement as XP firwall. > > I will note that while using the Asio Full Duplex > Device that I will get an occassional click or pop > here and there but that's most likely due to the > driver (worst when using the multiedia device so don't > do it). When I'm using my MOTU interface, I haven't > had a problem since I downloaded the Windows firewire > update. > > Also, clicks and other distortion can occur when > trying to bring the latency down too far (below the > buffer size on your audio card). I'm not sure what > the best advice here is though. Perhaps drop the > buffer size on the audio card down and then reduce > latency to just longer than the buffer size? A 1028 > sample buffer is equivalent to just under 24 ms > (44.1). I run at about 20 ms latency with 512 sample > buffer (44.1) just to be safe. I suppose I could get > the latency down smaller say 10 ms by using a 256 > sample buffer but I haven't tried that yet. it would be interesting you try with and without xp firewall... hope that help Cyrille > > >>PS : use winXP without firwall at your own risk. > > > yeah just make sure that you're not connected to the > net (physically disconnect or power off network > adapters) and that you've done a virus and spyware > sweep > > > Phil > > > > __________________________________ > Do you Yahoo!? > Yahoo! Small Business - Try our new Resources site > http://smallbusiness.yahoo.com/resources/ > > _______________________________________________ > PD-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > >

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RE: audio click and windows firewall
by Phillip Stearns 28 May '05

28 May '05

Hello- > i just discover that the windowsXP firewall does > filter all message from > pd (0.38) to it's gui. this can cause lot's of click > or other trouble in > the audio processing. Where are the clicks happening or are likely to happen? I've been running PD .37 up to .38 on XP machines with scarcely a problem. I do notice that Norton and the Windows firewall attempt to block communication but I have told the firewall to Unblock PD. It prompted me upon opening PD recently. Again... all my patches have been click free from quite some time (even the hairy granular patches). I still haven't gotten into working with my own FFT patches but I suspect that maybe this is where the click could happen? Really I'm clueless as to what the trouble is all about. I will note that while using the Asio Full Duplex Device that I will get an occassional click or pop here and there but that's most likely due to the driver (worst when using the multiedia device so don't do it). When I'm using my MOTU interface, I haven't had a problem since I downloaded the Windows firewire update. Also, clicks and other distortion can occur when trying to bring the latency down too far (below the buffer size on your audio card). I'm not sure what the best advice here is though. Perhaps drop the buffer size on the audio card down and then reduce latency to just longer than the buffer size? A 1028 sample buffer is equivalent to just under 24 ms (44.1). I run at about 20 ms latency with 512 sample buffer (44.1) just to be safe. I suppose I could get the latency down smaller say 10 ms by using a 256 sample buffer but I haven't tried that yet. > PS : use winXP without firwall at your own risk. yeah just make sure that you're not connected to the net (physically disconnect or power off network adapters) and that you've done a virus and spyware sweep Phil __________________________________ Do you Yahoo!? Yahoo! Small Business - Try our new Resources site http://smallbusiness.yahoo.com/resources/

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triggering samphold~ to trigger phasor~
by Spencer Russell 28 May '05

28 May '05

I'm working on a granulator using vd~, and I want to have a randomization factor for the grain density. I'm using a scheduling phasor, and a samphold to control the delay time to avoid the doppler-type effect, so I'd like to do the same sort of thing for the frequency of the phasor, but when I run the output of the phasor to the samphold, and then run the output of the samphold back to the phasor(sampling noise), I get DSP loops and a segfault. Is there a better way to do this? thanks, spencer (sorry if this email ends up on the list more than once, I'm having some trouble with my email setup)

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lifo
by cyrille henry 28 May '05

28 May '05

hello, i've noticed a problem of the fifo object from the cvs external (from maxlib). simple way to have the problem : send "1" to the lifo, send 2 send a bang to get the last value (i.e : 3) : it works now, if you send an other float when the buffer is not empty, 3 by exemple, you should have 1 and 3 in the lifo memory. but sending 2 bang to the lifo output 3 and 2. see pd path for test. i made a fix to this. should i commit it to the cvs? Cyrille #N canvas 0 0 450 300 10; #X obj 66 225 lifo; #X msg 67 25 1; #X msg 76 45 2; #X obj 88 66 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1; #X obj 66 250 p; #X msg 98 85 3; #X obj 108 108 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1; #X obj 124 184 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1 -1; #X text 154 186 <- should output 1 and not 2; #X text 65 6 click 1 time on each \, in this order; #X connect 0 0 4 0; #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 5 0 0 0; #X connect 6 0 0 0; #X connect 7 0 0 0;

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audio click and windows firewall
by cyrille henry 28 May '05

28 May '05

hello, i just discover that the windowsXP firewall does filter all message from pd (0.38) to it's gui. this can cause lot's of click or other trouble in the audio processing. So, for all windows user : allowing the connection in not enough, you really have to stop windowsXP firewall in order to use pd on XP. Cyrille PS : use winXP without firwall at your own risk.

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[Fwd: sonification of the electric sheep]
by Pall Thayer 27 May '05

27 May '05

Today's Topics: 1. sonification of the electric sheep (generative.net(a)draves.org) ---------------------------------------------------------------------- Message: 1 Date: Thu, 26 May 2005 17:55:14 -0700 (PDT) From: generative.net(a)draves.org Subject: [eu-gene] sonification of the electric sheep To: eu-gene(a)generative.net Message-ID: <Pine.LNX.4.62.0505261748110.24864(a)twinlark.arctic.org> Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed i am seeking collaborators to add a sound-track to the electric sheep. this would be software that generated audio based on the same genetic code and also based on the images. i made a web page to explain it: http://electricsheep.org/sound/ you can download a dataset for development from that page. drop me an email if you have any suggestions or questions. you are encouraged to forward this announcement. thx, -spot ------------------------------ -- _______________________________ Pall Thayer artist/teacher http://www.this.is/pallit http://pallit.lhi.is/panse Lorna http://www.this.is/lorna _______________________________

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strange behaviour loading py
by ggkarman＠musicologia.com 27 May '05

27 May '05

Hi people, I'm getting a strange behaviour loading py/pyext 0.1.4 in pd in windows xp. If i load the external at startup with the -lib flag, pd will refuse to open any patches afterwards. Loading the external after startup ([py]) doesnt do this, and scripting works fine. Ive tried python 2.3.5 and 2.4.1, and it's the same. greg

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Computer Aided Composition
by ggkarman＠musicologia.com 27 May '05

27 May '05

Hola, > Hallo, > josue moreno hat gesagt: // josue moreno wrote: > >> can anybody tell me or recomended some objects good for Computer Aided >> Composition? > > Olaf Matthes' maxlib library has several useful objects for this, > like objects for various random distributions, beat and rhythm for > beat tracking. There are two borax'es available as well, one in > maxlib, one in Cyclone, IIRC. PDContainer also is very useful to store > and modify things like patterns etc. as can be "xeq". I subscribe these. Some other favourites might be ann, chaos, pmpd.. > > Data structures are a cool way to compose. Apart from the included > docs there is a more basic tutorial by me as part of the pd~convention > documentation and there is a spanish text about the same topic with a > similar approach like my tutorial but covering things in much more > detail. (I don't understand a word, only the pictures but judgung from > your name you might be able to understand more than I do.) I don't > have a URL handy, but it's in the list archive. http://www.puredata.info/Members/ggkarman/Tutoriales/ > > Generally however all these objects are rather low level. If you want > "Band in a Box" you'll need to build this on your own - but that is > most of the fun actually. yep! greg > > Ciao > -- > Frank Barknecht _ ______footils.org__ > > _ __latest track: "scans" _ http://footils.org/cms/show/41 > > > > ------------------------------ > > Message: 11 > Date: Fri, 27 May 2005 10:49:01 -0500 > From: chris clepper <cgc(a)humboldtblvd.com> > Subject: Re: [PD] pixel data from pix_video > To: Max Neupert <abonnements(a)revolwear.com> > Cc: pd-list(a)iem.at, IOhannes m zmoelnig <zmoelnig(a)iem.at> > Message-ID: <D863E5E2-CEC6-11D9-BE72-000393DBC2CE(a)humboldtblvd.com> > Content-Type: text/plain; charset=US-ASCII; format=flowed > > > On May 27, 2005, at 9:55 AM, Max Neupert wrote: >> >> it is mentioned that pix_movie does not need to be textured which >> sounds like an advantage first. > > It doesn't need the separate texturing object pix_texture like > pix_film/video because all of the movie playing and texturing code is > contained in one object. On OSX this is an advantage since certain > fast path texturing functions require tight control over execution > order that can't be assured when using pix_film+texture. On DV/SD > material the difference is only a few percent per source, but on HD > (1080 in particular) the gain can be 25% or more per source. I have > plans to work on a pixel format auto-detection for pix_movie that will > help make sure the optimum path is used no matter what. > > cgc > > > > > ------------------------------ > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.at > to manage your subscription (including un-subscription) see > http://lists.puredata.info/listinfo/pd-list > > > End of PD-list Digest, Vol 2, Issue 89 > ************************************** >

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Re: [PD] Re: [PD-dev] pdogg hacks
by ydegoyon＠free.fr 27 May '05

27 May '05

ola, >> Just a reminder: PD is released with a BSD style licence, so people can fork >> it and close the source, for any reason and any use. i have to intervene at some point, even if i said it already, like i'm happy to meet people with open minds all over the world ( not a joke ), right now in argentina and soon in brasil... it's hard to say what kind of people are into the pd community, i don't want to define no rule of behaviour, but share and you'll get more... i'm a punki hippy, don't ever mind what i say, ciao, sevy ps : and i tought that if you free your software, the rest will follow....haha anyway, i'm not interested into efficient externals... just imaginary ones.

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Pd-list May 2005