Pd-list March 2010

pd-list@lists.iem.at

152 participants
270 discussions

puredata in london?
by Husk 00 05 Mar '10

05 Mar '10

Hi list, I'm in London for a couple of weeks and i was looking for some place/people where share some PD time.... thanks Luca / husk

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Strange bug in my patch
by Caio Barros 05 Mar '10

05 Mar '10

Hi, I'm working in this patch for a composition of mine but I keep getting a bug and don't know what is wrong. What my patch does is to load sound files and play them back at random intervals of time. If you load enough samples, it can create a very dense and granular sound texture, hence the name Texgen (texture generator). When I load a sample I can control the minimum and maximum interval between attacks, degree of tranposition (or pitch shift) and the density of the play back wich is just how many times the same sample is loaded so it can be played more times simultaneously. The problem I'm having is that when I load a sample with density = 1 the sound doesn't comes out and, that's the strange part, if a creat and object like, say, a bang button and delete it, the sound magicaly pops out of the loudspeakers. I know this is a little inconvenient thig to ask, but can someone help me? I don't know where else i could look for help. I attached the patch in this e-mail, and it can be also downloaded here: http://puredata.info/Members/caiobarros/texgen/ together with a sound for testing it. Just put everything in the same folder and it should work exept for this bug. Again sorry for any inconveniences, and thanks for the help. Caio Barros

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Re: [PD] PD extended on PPC
by Hans-Christoph Steiner 05 Mar '10

05 Mar '10

The new GUI will work on any platform. .hc On Mar 4, 2010, at 3:56 PM, alan brooker wrote: > yea! I thought ppc support had been abandoned- good to know it is in > the pipeline- however is the new gui for ppc available? > > cheers > > On 3/3/10, Hans-Christoph Steiner <hans(a)at.or.at> wrote: >> >> Yes, that's the plan. The PPC build server croaked. I have "new" >> hardware for it, but its a matter of finding the time to rebuild it. >> >> .hc >> >> On Mar 3, 2010, at 3:48 PM, alan brooker wrote: >> >>> Hi >>> >>> Is there continuing support for PD on osx PPC? I dont think I see >>> anything in the nightly builds? >>> >>> Thanks confirming! >>> >>> _______________________________________________ >>> Pd-list(a)iem.at mailing list >>> UNSUBSCRIBE and account-management -> >>> http://lists.puredata.info/listinfo/pd-list >> >> >> >> ---------------------------------------------------------------------------- >> >> Computer science is no more related to the computer than astronomy is >> related to the telescope. -Edsger Dykstra >> >> >> ---------------------------------------------------------------------------- "It is convenient to imagine a power beyond us because that means we don't have to examine our own lives.", from "The Idols of Environmentalism", by Curtis White

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Re: [PD] [LAU] A crazy idea
by tdrecordable 05 Mar '10

05 Mar '10

Pd and Arduino with bluetooth would be my first choice for ease. PD can synthesize and sample and connects to arduino with few hassles. t On Fri, Mar 5, 2010 at 11:19 AM, Rick Green <rtg(a)aapsc.com> wrote: > On Thu, 4 Mar 2010, Folderol wrote: > > > Also, use a short range photocell on the spokes (say 50mm). Easy to > > mount, reliable results with minimal effort. As these can usually > > respond up to 10-30kHz you won't have to worry about pedalling too > > fast :) > > Sensing the spokes measures vehicle speed, not pedaling speed, you'd want > your synth to drop to idle while you're coasting. I'm for a photocell > watching the crank sprocket teeth in the rear interval where there's no > chain. > You also need to measure torque, or chain tension, to drive your synth's > volume. An idler with a load cell on the top of the chain between the > crank and the wheel can be used for a single-speed or three-speed in-hub > transmission, but if you have a rear derailleur, you'll need another fixed > idler between the sensor and the rear wheel. If you have a front > derailleur as well, it just gets too complicated... > Maybe the accelerometer is simpler after all, even if you have to > compensate for incline. That's just math, not hardware. > > -- > Rick Green > > "Those who would give up essential Liberty, to purchase a little > temporary Safety, deserve neither Liberty nor Safety." > -Benjamin Franklin > > "As for our common defense, we reject as false the choice between our > safety and our ideals." > -President Barack Obama 20 Jan 2009 > _______________________________________________ > Linux-audio-user mailing list > Linux-audio-user(a)lists.linuxaudio.org > http://lists.linuxaudio.org/listinfo/linux-audio-user >

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image grid in GEM
by Fränk Zimmer 05 Mar '10

05 Mar '10

Hi, I did an image grid in Processing.- Every 10sec a routine is looking images in a folder and displays them in an image grid of 8x8 images. The Processing sketch does not run very stable, so I would like to know , if already somebody did try this in Pd.- Is there a more clever way, than using [pix_draw] and [translate] for this? thanks.- best, fraenk

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Re: [PD] Puredata on maemo
by Umberto 04 Mar '10

04 Mar '10

Hi Hans, Koray i installed pda 0.6-4 armel.deb on Meaemo 5, the application runs but i cant get any sound i have 2 audio drivers OSS and ESD when i try OSS i get this in the shell OSS: SNDCTL_DSP_CHANNELS failed /dev/dps and with ESD i get this : error at esd open:0 when the input and output channel on esd to 1 i dont get any error message , but pd is still not making any sound. Any idea? Koray did you had any luck ? Ive also tried pureda 0.42.5-3 without any luck , it doesnt compile > ----- Original message ----- > > > > You should be able to run the armel version from Debian > > > > http://packages.debian.org/sid/puredata > > > > .hc > > > > On Feb 18, 2010, at 4:44 AM, Koray Tahiroğlu wrote:> > > > > > > > Hei Hans, Umberto, > > > > > > > > > At the moment I am trying to install vanilla on Maemo 5, I have some > > > problems with other dependencies, but lets see if it will be > > > possible to install Pd vanilla directly to Maemo, I will try your > > > current release as well. > > > > > > Koray > > > > > > > > > On Feb 18, 2010, at 11:05 AM, pd-list-request(a)iem.at wrote: > > > > > > > Message: 5 > > > > Date: Thu, 18 Feb 2010 02:33:43 -0500 > > > > From: Hans-Christoph Steiner <hans(a)at.or.at> > > > > Subject: Re: [PD] Puredata on maemo > > > > To: Umberto <umberto.torrez(a)gmail.com> > > > > Cc: Pd list <pd-list(a)iem.at> > > > > Message-ID: <FEA18C1C-A12A-468B-BA63-C06EBB27F2D8(a)at.or.at> > > > > Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes > > > > > > > > > > > > Hey Umberto, > > > > > > > > welcome! You can run Pd on Maemo 4.1 so it should work on Maemo 5. > > > > We're working on updating the mobile version of Pd, so perhaps a > > > > Maemo > > > > 5 build will come out of that. Here's the current release: > > > > > > > > http://pd-anywhere.sourceforge.net/release/maemo/ > > > > > > > > .hc > > > > > > > > On Feb 15, 2010, at 3:07 AM, Umberto wrote: > > > > > > > > > Hi, im new in the list , i would like to know if its possible to run > > > > > pd linux mobile devices like maemo 5 or android ,do anybody have > > > > > tried that , if not how difficult would it be? > > > > > > > > > > _______________________________________________ > > > > > Pd-list(a)iem.at mailing list > > > > > UNSUBSCRIBE and account-management -> > > > > > http://lists.puredata.info/listinfo/pd-list > > > > > > > > > > > > ------------------------------------- > > > M.Koray Tahiroğlu > > > Media Lab, > > > Aalto University, > > > School of Art and Design > > > http://mlab.taik.fi/~korayt > > > tel: +358 45 233 6272 > > > > > > > > > > > > > > > > > > > > > > > > ---------------------------------------------------------------------------- > > > > "Free software means you control what your computer does. Non-free > > software means someone else controls that, and to some extent controls > > you." - Richard M. Stallman > > > > >

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audio breaking
by Oded Ben-Tal 04 Mar '10

04 Mar '10

I'm encountering bad audio behvaiour with pd+jack. Pd is reporting DIO errors even without any patch open. When I open one of the simple example patches I get very frequent breaks in the audio sometime these are even at a regular rate (around 120 bpm). I'm using FC10 with jack and a firewire soundcard. I'm starting jack with: /usr/bin/jackd -R -t10000 -dfirewire -r48000 -p256 -n3 -i2 -o6 (also tried p128 & 512). I can play soundfiles with no problems using snd so it seems the problem might involve some interaction between pd & jack. I don't get this audio problem when I'm using pd with a USB soundcard (without jack) on the same machine. Any ideas how to track the problem and (hopefully) fix it? Oded

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midiout / sysex on windows
by kristof lauwers 04 Mar '10

04 Mar '10

hello, I was wondering what the current state of midiout is on windows (i'm working on Xp, but should make something that works under any recent windows version) I see some discussion about it in the list archives and forum, but it's not clear if it should be working or not right now.. I tried it on vanilla PD 0.42.5 and in extended 0.4.3. It seems in vanilla it does nothing at all. In extended it's sending out something, but not what i expect.. (sometimes the 3 bytes i try to send each padded by 2 or 3 0's, sometimes nothing at all..) Also, it's not very clear what kind of input midiout expects - the documentation doesn't say anything about that.. i'd guess a list with first status byte and then the data bytes? if it's not working (yet), are there any alternatives to send sysexes from Pd? thanks, Kristof

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Variable CPU?
by Thibault Walter 04 Mar '10

04 Mar '10

Hello I made a little discovery. It works with pd-extended and with pd-vanilla+GEM. Il have a MacBook Pro 2.66 GHz Intel Core 2 duo, with Mac-OS X 10.5.8. When I open one of my video-patch (it works with any one of my video or sound patchs), if I look at the CPU utilisation, I get something like 7 ou 8. Nothing is running, the GEM window is not even created. If I wait something like 1 or 2 hours without using pd ; or, if I pause my computer (I close it), wait 30 seconds, and open it, I get something like 0 or 1 as my CPU. Then, if I use my patch, when I get normally CPU = 70, and with this method I get CPU = 20. And of course, the performances are absolutely not the same. In fact, without this method, my MacBook Pro is not very much more powerful than my old 1.33GHz PowerPC G4. It works with audio-patchs too. There is an other method : if I turn dsp on, and then off, I get the same result. This method can't work with audio-patchs, because when I turn on dsp I always get high CPU. So I have to turn dsp on before pausing and turning on my computer. (I don't know if I'm clear...) Weeell, I realized that it works with my PPC too, but the differences are not so important. Has someone any explanation? excuse me for my english T

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Re: [PD] Pd-list Digest, Vol 60, Issue 20
by Marco Donnarumma 04 Mar '10

04 Mar '10

Hi Oded, sorry if it sounds obvious, but have you tried starting Pd with the flag -rt ? M I'm encountering bad audio behvaiour with pd+jack. Pd is reporting DIO > errors even without any patch open. When I open one of the simple example > patches I get very frequent breaks in the audio sometime these are even at > a regular rate (around 120 bpm). > > I'm using FC10 with jack and a firewire soundcard. > I'm starting jack with: > /usr/bin/jackd -R -t10000 -dfirewire -r48000 -p256 -n3 -i2 -o6 > (also tried p128 & 512). > > I can play soundfiles with no problems using snd so it seems the problem > might involve some interaction between pd & jack. I don't get this audio > problem when I'm using pd with a USB soundcard (without jack) on the same > machine. > Any ideas how to track the problem and (hopefully) fix it? > > Oded > > > > ------------------------------ > > _______________________________________________ > 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 60, Issue 20 > *************************************** > > -- Marco Donnarumma aka TheSAD Independent New Media Arts Professional, Performer, Teacher - Edinburgh, UK LAB: http://www.thesaddj.com | http://cntrl.sourceforge.net | http://www.flxer.net EVENT: http://www.liveperformersmeeting.net

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Pd-list March 2010