Pd-list April 2008

pd-list@lists.iem.at

132 participants
205 discussions

made with pd: Lost Highway, UK premiere
by plessas＠mur.at 06 Apr '08

06 Apr '08

Dear List, Although "Lost Highway", a contemporary opera by composer Olga Neuwirth, had it's world premiere in 2003, i want to point your attention to the UK premiere tonight and it's following six shows at the Young Vic Theatre in London during the next days. The piece itself is an impressive mixture of onstage acting, orchestral music, surround sound, audio samples and live-processed signals. The last being entirely done in Pd of course. Having a strong tradition of working with Olga Neuwirth, the IEM in Graz took it's ambisonic approach to the road, installing almost 30 loudspeakers in the venue. All Pd processing currently runs on a linux machine and is being operated following the orchestral score and stageplay. The show's sound design was done by Markus Noisternig, all Pd programming by Thomas Musil. http://mona.mur.at/youngvic/dsc01082.jpg As this is a fairly large project i would take the opportunity to thank the pd comunity for their work and support. regards, Peter Plessas

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transparency in models
by marius schebella 05 Apr '08

05 Apr '08

Hi, I want to apply colors (or textures) with alpha values to obj. models and then turn them around, but I am having problems if I rotate the objects. this actually causes problems with standard geos, too... I searched the archives for that problem but I found no real answer. maybe because there is none? what is necessary to get transparency working from all different viewpoints? I tried to play around with GEMglDepthFunc and other stuff, but not with the correct result. (correct maybe, but not what I wanted.) any help? thanks, marius.

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TR909 Synthesis
by raul diaz 05 Apr '08

05 Apr '08

Hi list! I would like to open a thread about drum synthesis I'm trying to make a tr909 emulator with an interface made with processing<http://www.processing.org>communicated with pd via OSC. I would like to make drum synthesis on pd based on chapters from fabulous sound-on-sound "synth secrets". I'm not an expert on drum synthesis, so I'm making this work in order to learn about that. I know there is really expert sound designers on this community and I would thank a lot their help. Now, I'm trying to emulate a bass drum. I've take this scheme as example: http://www.soundonsound.com/sos/Feb02/images/fig13tr909bd.l.gif But I don't know how important for the final sound is the block VCO (sawtooth wave) + Waveshaping, instead of a simple sine oscillator. In synth secrets articles says: "The output from the oscillator then passes through a waveshaper. This removes almost all the overtones, transforming the sawtooth into something very close to a sine wave." Another doubt is how accent has influence on amplitude envelope attack and decay, what's the range of pitch sweep (from 400 to 40-80 Hz?) and its envelope decay value (200msg?). And, finally I'm thinking about replaced noise generator + pulse generator with the trick used by roman haefeli on his 808bass ( http://lists.puredata.info/pipermail/pd-list/2006-04/037663.html). Any suggestion or reference??? Thanks! -- Raul Diaz Poblete ************************* raul.lete(a)gmail.com Barcelona [Spain]

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py/ext: build error
by Julian Peterson 05 Apr '08

05 Apr '08

Hello Thomas and all... I'm sorry to revive a dead thread but I've encountered an old ghost. I checked the externals out of sourceforge this afternoon and when building py/ext fail with the output pasted below. I found this exact problem in the list archives (see http://lists.puredata.info/pipermail/pd-list/2007-11/055895.html) . I'm on intel OSX 10.5, building with a working flext (built vasp w/ o issue), against a build-farm copy of PD. Thomas, you indicated that it is fixed in cvs... did I grab an older version? Is there a more current cvs repository floating around somewhere? I checked out the externals with this command: cvs -z3 -d:pserver:anonymous@pure-data.cvs.sourceforge.net:/cvsroot/ pure-data co -P externals Although there is this cryptic statement on the puredata.info website: Thomas Grill's externals and Flext: Thomas maintains his code in his own repository. Thanks, Julian Peterson The aforementioned error: g++ -c -ffast-math -Os -ftree-vectorize -arch i386 -mmmx -msse -msse2 - msse3 -mtune=prescott -DPY_EXPORTS -DPY_USE_GIL -DNDEBUG - DFLEXT_THREADS -DFLEXT_SYS=2 -DPD -I pd-darwin/release-multi -I/ Applications/Pd-0.40.3-extended-20080117.app/Contents/Resources/src -I/ usr/local/include/flext source/main.cpp -o pd-darwin/release-multi/ main.opp_i386 source/main.h:34: error: expected class-name before ‘{’ token /usr/ local/include/flext/flcontainers.h: In member function ‘void TypedFifo<T>::Put(T*) [with T = FifoEl]’: source/pybase.h:181: instantiated from here /usr/local/include/flext/flcontainers.h:456: error: no matching function for call to ‘TypedFifo<FifoEl>::Put(FifoEl*)’ /usr/local/include/flext/ flcontainers.h:405: note: candidates are: void Fifo::Put(Lifo::Cell*) / usr/local/include/flext/flcontainers.h: In member function ‘T* TypedLifo<T>::Pop() [with T = FifoEl]’: /usr/local/include/flext/ flcontainers.h:466: instantiated from ‘T* PooledFifo<T, M, O>::New() [with T = FifoEl, int M = 2, int O = 1]’ source/pybase.h:179: instantiated from here /usr/local/include/flext/flcontainers.h:380: error: invalid static_cast from type ‘Lifo::Cell*’ to type ‘FifoEl*’ make[1]: *** [pd-darwin/release-multi/main.opp_i386] Error 1 make: *** [build-release-multi] Error 2

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gemhead render argument
by altern 05 Apr '08

05 Apr '08

hi i am getting different behaviours with same GEM patch under linux and windows. The patch is rendering a webcam image with pix_video and then a basic rectangle with no texture on top of the webcam (using pix_blob to analyse the camera and move the rectangle around). Each has its own gemhead and they are separated in different abstractions. While in windows all is rendered fine, linux does not like it the rectangle was rendered but the webcam image wasnt. The only way to get it to work was to put some render argument of the rectangle like 2. So I decided to set that value to $0 on loadbang, this should give different numbers to each instance of the abstractions. (Note that i dont have a clue if this is bad idea). Both the camera image and the rectagle are included in abstractions. The result was kind of ok, now linux was more happy with it but still sometimes the webcam image goes off again. This happens for example when I move the gem window or after ~10 to ~20 secs. Also if i open a PD subpatch. When I switch rendering off on the rectangle's gemhead and then the webcam goes live again... When I switch on the rectangle it takes some secs to go off again... If I dont turn on the rectangle the webcam stays alive. The webcam gemhead gets set to 1004 and the rectangle to 1005 from the $0 arg of the abstractions they live in. I guess this must be some problem with having two gemheads but i am not sure why this problem is not happening at all under windows, so it looks like a linux issue. Anything i can do to avoid this problem? Sorry if the explanation is not very clear... thanks! enrike

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send and receives for numbers
by marius schebella 05 Apr '08

05 Apr '08

Hi, I am not sure when this feature was added, but when I want to use "send" for a numberbox it loses its connections. I think this is a bug, it should still be possible to connect the numberbox by wire. Marius.

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Re: [PD] Summer Pders in London/Berlin
by bigswift＠cox.net 05 Apr '08

05 Apr '08

I will be in london and berlin this summer and would love to meet up, play a laptop gig or just tweak with any of you who might like to meet. sincerely Pat Patrick Pagano Sound and Light Technologist School of Theatre and Dance University of Florida

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lillypond
by Jaime Oliver 04 Apr '08

04 Apr '08

Hello, Does any of you know of a way of making lillypond files from pd? best, J -- Jaime E Oliver LR joliverl(a)ucsd.edu www.realidadvisual.org/jaimeoliver www-crca.ucsd.edu/ www.realidadvisual.org 9168 Regents Rd. Apt. G La Jolla, CA 92037 USA

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Gig tonight and next week
by Ed Kelly 04 Apr '08

04 Apr '08

It's a bit short notice I know but... If anyone's in london there is an exciting brace of gigs coming your way. Tonight there is Openlab and Ampersand at the Deptford.tv gig, The Ivy House, 40 Stuart Road, Nunhead, London SE15 3BE. Next week there is ()RE|BOOT, an exhibition of digital art at Area 10 for the launch of the Medialab on the 11th and 12th of April, culminating in a showcase of live performances on the evening of the 12th. Tonight: The Ivy House: http://www.beerintheevening.com/pubs/s/47/4753/Ivy_House/Nunhead Google maps link: http://maps.google.co.uk/maps?f=q&hl=en&geocode=&q=SE15+3BE&ie=UTF8&ll=51.4… Area 10: http://www.area10.info/ Google maps link: http://maps.google.co.uk/maps?f=q&hl=en&geocode=&q=eagle+wharf+SE15&sll=51.… Hope to see you there! Ed Lone Shark "Aviation" out now on http://www.pyramidtransmissions.com http://www.myspace.com/sharktracks ___________________________________________________________ Yahoo! For Good helps you make a difference http://uk.promotions.yahoo.com/forgood/

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Re: [PD] send and receives for numbers
by Koray Tahiroglu 04 Apr '08

04 Apr '08

Hello Marius, I guess this has been like that for a long time, for a quick solution GUI Number2 does not loose its connections if you define send or receive target. But yes it would be nice to keep connections on numberbox as well. Koray ------------------------------------- M.Koray Tahiroglu Media Lab,UIAH http://mlab.taik.fi/~korayt tel: +358 468956602 ( in Finland only) tel: +90 533 712 8245 On Apr 4, 2008, at 8:24 AM, pd-list-request(a)iem.at wrote: > Message: 3 > Date: Thu, 03 Apr 2008 22:37:43 -0400 > From: marius schebella <marius.schebella(a)gmail.com> > Subject: [PD] send and receives for numbers > To: "pd-list(a)iem.at" <pd-list(a)iem.at> > Message-ID: <47F59477.7050302(a)gmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hi, > I am not sure when this feature was added, but when I want to use > "send" > for a numberbox it loses its connections. I think this is a bug, it > should still be possible to connect the numberbox by wire. > Marius. >

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Pd-list April 2008