Pd-list August 2006

pd-list@lists.iem.at

131 participants
259 discussions

jittering sensors
by patrick 16 Aug '06

16 Aug '06

hi all, i've done a project using the MULTIO of mamalala and HID to capture the output of my sensors (infra-red, tilt and such). sadly the values are really jittering and i have a logarithm sensor too. i know that each case is unique, but maybe there's some rules to stabilize the fluctuation and correct the curve (logarithm)??? thanks for sharing any knowledge on this! pat

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compile pd on OSX
by Orm Finnendahl 16 Aug '06

16 Aug '06

Hi all, I'm trying to compile a custom pd on Mac OSX (Tiger 10.4.7). The compile went o.k., but trying to launch pd from an X11 Terminal opens the pd main window but trying to bring it to the foreground gives the following error: root# /usr/local/bin/pd SetFrontProcess failed,-606 TclTk is the Aqua Version 8.4.10, pd-0.39-2, the current tgz sources. -- Orm

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tabread4~ sample size
by Tas Pas 15 Aug '06

15 Aug '06

Hi list, I've been searching for 2 days now, a way to loop a sample that is several seconds long using the [tabread4~] object. Somewhere I found that the chunk size that is given in the B08.Sampler.Loop pd file in the documentation, has to be equal to the size of the loop in samples. I'm getting the size of the loop via the [soundfiler] output and feed it to the input of the [*~ ] object tha controls the chunk size of the loop to be played but, I cannot have the result that I want, to make the sample I feed the soundfiler object sound exactly as you could hear it with the [tabplay~] object (pitch and duration wise) but looping. I attached you a slightly modified version of the B08.Sampler.Loop pd file. Any suggestion anyone? Thanks Regards, Tasos --------------------------------- ΓΓ±Γ§Γ³Γ©Γ¬Γ―Γ°Γ―Γ©Γ₯ΓΓ΄Γ₯ Yahoo! ΓΓ‘Γ±Γ₯Γ¨ΓΓͺΓ‘Γ΄Γ₯ Γ΄Γ‘ Γ₯ΓΓ―Γ·Γ«Γ§Γ΄Γ©ΓͺΓ Γ¬Γ§ΓΓ½ Γ¬Γ‘Γ΄Γ‘ (spam); ΓΓ― Yahoo! Mail Γ€Γ©Γ‘Γ¨ΓΓ΄Γ₯Γ© Γ΄Γ§Γ ΓͺΓ‘Γ«Γ½Γ΄Γ₯Γ±Γ§ Γ€Γ΅ΓΓ‘Γ΄Γ Γ°Γ±Γ―Γ³Γ΄Γ‘Γ³ΓΓ‘ ΓͺΓ‘Γ΄Γ Γ΄ΓΉΓ Γ₯ΓΓ―Γ·Γ«Γ§Γ΄Γ©ΓͺΓΎΓ Γ¬Γ§ΓΓ΅Γ¬ΓΓ΄ΓΉΓ http://login.yahoo.com/config/mail?.intl=gr

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Patchr (( was Re: [PD] pd-based procedural chord progression database..
by Alexandre Quessy 15 Aug '06

15 Aug '06

On 8/15/06, AshK <ashk(a)azylum.net> wrote: > it looks like the ongoing projects at azylum.net that are on hold for > summer : patchr would be a kind of repository for pd patches the way > flickr works for photos and pdpedia would be a pd encyclopedia the way > wikipedia works. > > is it what you are talking about Alex? that would be great to work on these! Sure ! But I would like it to be on puredata.info, in order to avoid further separation of all the resources, and I would like it to be on Drupal. There are very nice modules for folksonomy and we could write a module for PD patches. We could even use the PD firefox extension.... some day. Drupal code is much legible and refactorable. (even if in PHP) And MoinMoin is my favourite wiki engine... -- Alexandre Quessy http://alexandre.quessy.net

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new ds-sequenzer out now!
by moritz 15 Aug '06

15 Aug '06

ola attached is a sequenzer based on franks great ds-example.. enjoy ! MOriTz

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Re: [PD] An abstraction : markov finite state machine
by Koray Tahiroglu 15 Aug '06

15 Aug '06

Hello Alex, As a part of my doctoral studies/research I am developing some interactive systems where the performer can improvise with it. and the system responds in real-time to the performer's responds. All the analyzes are based on Markov chain probability methods. I used python for the markov based stochastic analyzes and PD to generate sounds. I will upload them somewhere whenever I settle down a bit. I am planning to develop it further, I can bug you later to hear your experiences. Koray. ----------------- M.Koray Tahiroglu Media Lab,UIAH http://mlab.uiah.fi/~korayt/ tel: +90 533 712 8245 On Aug 15, 2006, at 7:59 AM, pd-list-request(a)iem.at wrote: > Message: 8 > Date: Tue, 15 Aug 2006 00:57:48 -0400 > From: "Alexandre Quessy" <listes(a)sourcelibre.com> > Subject: [PD] An abstraction : markov finite state machine > To: "PD List" <pd-list(a)iem.at> > Message-ID: > <8f32d9ee0608142157r4eb10ba6t26326952eb61ab69(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Hi all, > > I just rewrote an abstraction for creating markov chains using a > matrix storing the probabilties to get every other states in the > finite state machine. Probabilities are caclulated on the sum of every > float of every row. A row corresponds to a state (actually, its > probabilities to obtain every state next). See wikipedia.org for > mathematics behind it. > > It is available at http://alexandre.quessy.net/?q=node/43 only at > the moment. > > This kind of system can be used for weighted random between several > effects in an installation, or to build melodies of chord changes, for > instance. It uses zexy and iemmatrix. Ah, it is GPL, let say. > > Cheers, > -- > Alexandre Quessy > http://alexandre.quessy.net >

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pd compile problems with jacklib-0.100
by Orm Finnendahl 15 Aug '06

15 Aug '06

Hi all, can't compile pd on ubuntu dapper. Jacklib has changed to 0.100 and make fails with the following problems: s_audio.o: In function `audio_getdevs':/root/install/pd-0.39-2/src/s_audio.c:538: undefined reference to `jack_getdevs' s_audio.o: In function `sys_listdevs':/root/install/pd-0.39-2/src/s_audio.c:766: undefined reference to `jack_listdevs' s_audio.o: In function `sys_close_audio':/root/install/pd-0.39-2/src/s_audio.c:387: undefined reference to `jack_close_audio' s_audio.o: In function `sys_open_audio':/root/install/pd-0.39-2/src/s_audio.c:325: undefined reference to `jack_open_audio' s_audio.o: In function `sys_send_dacs':/root/install/pd-0.39-2/src/s_audio.c:460: undefined reference to `jack_send_dacs' collect2: ld gab 1 als Ende-Status zurück make: *** [../bin/pd] Fehler 1 Is there a patch against jack-0.100? -- Orm

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Fun with additive synthesis
by David Powers 15 Aug '06

15 Aug '06

Hi everyone, Attached is a simple nine-oscillator additive synth experiment in PD. It has two interesting features: 1. The tuning is initially that of the ordinary harmonic series (2/1,3/2,4/3,5/4, etc.) However, the tuning can be changed, with interesting results. 2. A line~ object is used to control the amplitude of individual oscillators, and the length of the ramp time can be set. This allows one to create constantly mutating timbres. Now, what I'd be curious to know is how I can get amplitude values in order to do cheap simulations of various instruments (flute, cello, etc.). I know this can be done with fft's, but I don't know how to get a simple list of values between 0-1 that I can just plug into my additive synth. I'm sure you can do that simply in PD, I just don't understand how. What I really wish, is that I knew how to use SPEAR to do this kind of thing. ~David

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Re: [PD] pd-based procedural chord progression database..
by Patco 15 Aug '06

15 Aug '06

padawan12 a Ã©crit : > Also found a f2note in iemlib which prints out things > like C, C#.. for midi values and it helps to see those side > by side with the intervals to get a fix on chords. I wonder if > there's a corresponding note2f that takes symbols > like A, B, C and spits out midi numbers? > > Didn't find it, but I've just made an abstraction that does it, you will need zexy and an updated version of pd. (it's attached) Patco. #N canvas 489 6 458 353 10; #N canvas 404 9 514 428 note 0; #X obj 212 143 s2l; #X msg 248 119 symbol; #X obj 210 66 symbol; #X obj 203 11 inlet; #X obj 185 321 outlet; #X obj 352 272 outlet; #N canvas 0 0 533 407 drip 0; #X obj 64 206 list split 1; #X obj 64 123 until; #X obj 64 181 list append; #X obj 194 206 bang; #X text 146 90 First store list \, then start the loop; #X text 163 118 "until" bangs its output until told to stop by a "bang" to its right inlet.; #X text 182 160 Store the remaining list.; #X text 239 205 third outlet of "split" tells us to stop.; #X obj 64 243 outlet; #X obj 64 57 inlet; #X text 237 44 From list-help.pd; #X obj 143 243 outlet; #X obj 64 86 t b a; #X connect 0 0 8 0; #X connect 0 1 2 1; #X connect 0 2 3 0; #X connect 0 2 11 0; #X connect 1 0 2 0; #X connect 2 0 0 0; #X connect 3 0 1 1; #X connect 9 0 12 0; #X connect 12 0 1 0; #X connect 12 1 2 1; #X restore 212 195 pd drip; #X obj 212 169 route list; #X obj 212 222 route symbol float; #X obj 212 271 list prepend; #X obj 212 92 t a b; #X obj 317 274 t l; #X obj 169 37 t b a; #X connect 0 0 7 0; #X connect 1 0 0 1; #X connect 2 0 10 0; #X connect 3 0 12 0; #X connect 6 0 8 0; #X connect 7 0 6 0; #X connect 8 0 4 0; #X connect 8 1 5 0; #X connect 9 0 11 0; #X connect 9 0 4 0; #X connect 10 0 0 0; #X connect 10 1 1 0; #X connect 11 0 9 1; #X connect 12 0 9 1; #X connect 12 1 2 0; #X restore 73 49 pd note name split; #X obj 69 81 sel C D E F G A B; #X msg 32 121 1; #X msg 65 121 3; #X msg 98 121 5; #X msg 133 122 6; #X msg 165 123 8; #X msg 197 122 10; #X msg 230 120 12; #X obj 149 177 i; #X floatatom 401 174 5 0 0 0 - - -; #X obj 17 29 t b a; #X obj 18 6 inlet; #X obj 178 307 outlet; #X obj 172 199 + 1; #X obj 199 228 i; #X obj 171 257 i; #X obj 241 157 b; #X obj 178 282 +; #X obj 323 225 * 12; #X connect 0 0 1 0; #X connect 0 1 10 0; #X connect 1 0 2 0; #X connect 1 1 3 0; #X connect 1 2 4 0; #X connect 1 3 5 0; #X connect 1 4 6 0; #X connect 1 5 7 0; #X connect 1 6 8 0; #X connect 1 7 17 0; #X connect 2 0 9 0; #X connect 3 0 9 0; #X connect 4 0 9 0; #X connect 5 0 9 0; #X connect 6 0 9 0; #X connect 7 0 9 0; #X connect 8 0 9 0; #X connect 9 0 14 0; #X connect 9 0 16 1; #X connect 10 0 19 0; #X connect 11 0 16 0; #X connect 11 1 0 0; #X connect 12 0 11 0; #X connect 14 0 15 1; #X connect 15 0 16 1; #X connect 16 0 18 0; #X connect 17 0 15 0; #X connect 18 0 13 0; #X connect 19 0 18 1; #N canvas 493 443 454 215 12; #X msg 175 32 A#5; #X msg 220 34 C6; #X msg 263 33 B0; #X floatatom 174 124 5 0 0 0 - - -; #X msg 134 36 A#4; #X obj 176 95 note2f; #X connect 0 0 5 0; #X connect 1 0 5 0; #X connect 2 0 5 0; #X connect 4 0 5 0; #X connect 5 0 3 0;

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Re: [PD] -rt startup flag ignored
by Ben Saylor 15 Aug '06

15 Aug '06

On Monday 14 August 2006 00:55, you wrote: > Ben Saylor wrote: > > to the terminal. This is Pd-0.39.2-extended-test4, Debian testing. > > I've checked ~/.pdsettings, and the -rt flag is indeed stored > > there. Could I be overlooking anything? > > just a guess: do you have "defeat realtime scheduling" enabled? > > mfg.asdr. > IOhannes No, and in my .pdsettings I see defeatrt: 0 Other startup flags seem to work when entered in the Startup Flags box, however.

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Pd-list August 2006