Pd-list May 2006

pd-list@lists.iem.at

147 participants
245 discussions

Matrix in pd
by lucaturchet1982＠libero.it 16 May '06

16 May '06

Help! I need to use some matrices to do some real-time calculations in a pd patch. Are there some pd-libraries that implements matrix objects? Where can I found it? Are they efficient? In fact I need to do multiplications in real-time and the efficience of calcoulation is a strict requirement (In particular I have to multiplicate inputs for a matrix in order to obtain outputs that are parameters of input for a sound synthetizer...). Thanks in advance. Luca

3 3

good reverb?
by sven 16 May '06

16 May '06

hi list, is there a good sounding reverb / hall external / abstraction? sven.

5 4

Re: [PD] practical synthetic sound design
by Kyle Klipowicz 16 May '06

16 May '06

Sure, it's just that if you have this: [bang ( | \ \ | \ \ [obj] [obj] [obj] You can't be sure of the order of said bangs. This is a "bad" thing to do. If you implement your patch as an abstraction, because it won't be very detirministic, and (even if you want randomness) this can cause problems with the patches when they get nested so deep. Instead, use something like this: [bang ( | [t b b b ] | \ \ | \ \ [obj] [obj] [obj] Which will ensure that you get the same order of execution (right to left) every time. This will save you much headaches if you have say, 5 abstractions nested inside and find that things just aren't working very tightly, especially if you are doing processes that run very quickly together. Your patches seem to work fine, but this practice is agreed apon by all the pd-guru's I've seen talk about the matter on this list, so it would be great for you to communicate it to newbies who read your examples. Trigger is _the_ most important object to learn early on, so you get proper patching techniques down and understand the "firing" order of your data. Search the archives for fbar's posts on the matter, I think he has some working examples. Frank, if you're listening, would you kindly repost or send them privately to Andy? ~Kyle On 5/16/06, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > Thanks for this Kyle. I need you to elaborate a little if you would. Can you provide an example > of where it's done wrong and how it would be done strictly correctly? I've always found the typing of Pd > most confusing and while I try to cultivate good and proper habits I tend to get stuck in my own > methods of "what works" rather than what's technically perfect. > > In what circumstances might the code be unpredictable? Are we talking differences in the way Mac/PC/Linux > versions of Pd handle things, I do hope not! Are the reasons to do with race hazards? I've never seen any > documentation that properly explains this I'm afraid. I don't want to have to rewite scores of examples so > the earlier I grasp what you mean the better. > > Many thanks indeed, > Andy James Farnell > > > > > > > On Mon, 15 May 2006 17:03:30 -0700 > "Kyle Klipowicz" <kyleklip(a)gmail.com> wrote: > > > The only concerns I have (sounding like Frank now) is that many of > > your bangs are patched without using the trigger object. I think that > > to keep the code clean and predictable, it would be a good strategy to > > implement triggers for all multiply connected events. Also, that > > would be nice to communicate to novice Pd users, so they start their > > coding habits early. > > > > Other than that, awesome work! > > > > ~Kyle > > > > On 5/15/06, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > > > Hi Kyle, > > > > > > Thanks for your kind remarks. I just added "footsteps" and "switches" so that makes 12 I think. > > > The finished book will contain about 40, but it will remain a free web resource whether O'Reilly take it or not. > > > Please don't be shy to let me know any errors or bad points you find too, or any ideas you would like me to try and > > > deal with. > > > > > > All best regards, > > > Andy James Farnell > > > > > > > > > > > > > > > On Sun, 14 May 2006 14:23:50 -0500 > > > "Kyle Klipowicz" <kyleklip(a)gmail.com> wrote: > > > > > > > Oh wow! I just peeked at them, this is a great site! How many > > > > tutorials are there now? As a fan of foley art, I can greatly > > > > appreciate this knowledge, thank you! > > > > > > > > ~Kyle > > > > > > > > On 5/14/06, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > > > > > Greetings, > > > > > > > > > > I finished another tutorial in my collection for "Practical synthetic sound > > > > > design". That makes 10, so now I think its time to welcome feedback on the > > > > > subject style, how easy/hard they are to follow, if the examples work and make > > > > > sense.. > > > > > > > > > > My target for September is 40-50 tutorials to make a full set which I hope will > > > > > serve as the "practical" complement to Millers book dealing with the theory. > > > > > These are early drafts and much will change to better structure them. There > > > > > are no musical examples. It's never been my intention to cover the ground > > > > > already mapped by Dodge and Jerse, Roads, and others. This work is aimed > > > > > squarely at the games and film sound designer and attempts a non-mathematical > > > > > approach. > > > > > > > > > > I greatly appreciate your sincere and honest criticisms. > > > > > Personal replies are preferred to list posts. > > > > > > > > > > Right now they live here > > > > > http://www.obiwannabe.co.uk/padawan12/onlinetutorials/html/tutorials_main.h… > > > > > > > > > > Cheers, > > > > > Andy > > > > > > > > > > _______________________________________________ > > > > > PD-list(a)iem.at mailing list > > > > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > > > > > > > > > > > > > > -- > > > > > > > > http://theradioproject.com > > > > http://perhapsidid.blogspot.com > > > > > > > > (((())))(()()((((((((()())))()(((((((())()()())()))) > > > > (())))))(()))))))))))))(((((((((((()()))))))))((()))) > > > > ))(((((((((((())))())))))))))))))))__________ > > > > _____())))))(((((((((((((()))))))))))_______ > > > > ((((((())))))))))))((((((((000)))oOOOOOO > > > > > > > > > -- > > > > http://theradioproject.com > > http://perhapsidid.blogspot.com > > > > (((())))(()()((((((((()())))()(((((((())()()())()))) > > (())))))(()))))))))))))(((((((((((()()))))))))((()))) > > ))(((((((((((())))())))))))))))))))__________ > > _____())))))(((((((((((((()))))))))))_______ > > ((((((())))))))))))((((((((000)))oOOOOOO > -- http://theradioproject.com http://perhapsidid.blogspot.com (((())))(()()((((((((()())))()(((((((())()()())()))) (())))))(()))))))))))))(((((((((((()()))))))))((()))) ))(((((((((((())))())))))))))))))))__________ _____())))))(((((((((((((()))))))))))_______ ((((((())))))))))))((((((((000)))oOOOOOO

2 1

Re: [PD] practical synthetic sound design
by shift8 16 May '06

16 May '06

really amazing work, man. it's a practical and totally aproachable intro to doing real sound design w/ pd. i saw in footsteps5 you were looking for a better way of doing the "demuxing" routing. i've attached a little patch that works with it. not better, but different :) thanks again for sharing all of that w/ the list! -- ᚛᚛ᚉᚑᚅᚔᚉᚉᚔᚋ ᚔᚈᚔ ᚍᚂᚐᚅᚑ ᚅᚔᚋᚌᚓᚅᚐ᚜

2 1

Pd-style executable
by Hans-Christoph Steiner 16 May '06

16 May '06

I had a thought recently: if we treat Pd like Java, ie like a framework to be installed, then all we need to do is make a nice cross-platform app packaging format. To make this work, we'd need to have file associations working. They already work beautifully on Mac OS X, and basically work on Windows (but every double-click opens a new instance of Pd). If there was a format were you could bundle all needed files into a double-clickable file format, then it would work much like an app as long as you have Pd installed. Think this could work? I am thinking something like .jar format. .hc ________________________________________________________________________ ____ Man has survived hitherto because he was too ignorant to know how to realize his wishes. Now that he can realize them, he must either change them, or perish. -William Carlos Williams

4 4

Compiling msd* with gcc 4
by Andrew Johnston 16 May '06

16 May '06

First of all, thanks to Nicolas and Cyrille for pmpd and msd- very useful and great fun to play with! I've successfully compiled msd on OS X, but I have a linux box running fedora core 4 (which has gcc 4.0.2 installed) and I'm having trouble getting msd to compile. I'm using a freshly compiled flext from CVS and the latest version of msd updated from CVS today. In the archives I notice that Thomas Grill has made some modifications to flext to enable gcc 4 support, but I'm still getting this error. I'm no C++ guru so maybe there is a simple solution?? Any help appreciated. $ bash ../../grill/flext/build.sh pd gcc make -f ../../grill/flext/buildsys/gnumake-sub.mak PLATFORM=lnx RTSYS=pd COMPILER=gcc BUILDPATH=../../grill/flext/buildsys/ PKGINFO=package.txt BUILDCLASS=ext TARGETMODE=release TARGETTYPE=single _build_ make[1]: Entering directory `/opt/pd-0.39-2/extra/externals/nusmuk/msd' g++ -c -msse -mfpmath=sse -ffast-math -DNDEBUG -O3 -march=pentium4 -pthread -fPIC -DFLEXT_SYS=2 -I/opt/pd-0.39-2/src -I/usr/local/include/flext main.cpp -o pd-linux/release-single/main.opp main.cpp:3: error: explicit specialization of ‘flext_obj* msdN<1>::__init__(int, t_atom*)’ must be introduced by ‘template <>’ main.cpp:3: error: template-id ‘__init__<>’ for ‘flext_obj* msdN<1>::__init__(int, t_atom*)’ does not match any template declaration main.cpp:3: error: invalid function declaration make[1]: *** [pd-linux/release-single/main.opp] Error 1 make[1]: Leaving directory `/opt/pd-0.39-2/extra/externals/nusmuk/msd' make: *** [build-release-single] Error 2 thanks, Andrew -- Andrew Johnston http://andrewjohnston.net/

3 6

Re: [PD] Matrix in pd
by lucaturchet1982＠libero.it 16 May '06

16 May '06

Very thanks Gerda for your useful help! I really needed the documentation of the iemmatrix. All the best Luca ---------- Initial Header ----------- >From : "Gerda Strobl" gerda.strobl(a)student.TUGraz.at To : "lucaturchet1982(a)libero.it" lucaturchet1982(a)libero.it Cc : Date : Mon, 15 May 2006 21:11:46 +0200 Subject : Re: [PD] Matrix in pd > lucaturchet1982(a)libero.it wrote: > > Help! > > I need to use some matrices to do some real-time > > calculations in a pd patch. > > > > Are there some pd-libraries that implements matrix objects? > > > > Where can I found it? Are they efficient? > > > > In fact I need to do multiplications in real-time > > and the efficience of calcoulation is a strict requirement > > (In particular I have to multiplicate inputs for a matrix in order to obtain outputs that are parameters of input for a sound synthetizer...). > > > > > > Thanks in advance. > > > > Luca > > > > > > > > _______________________________________________ > > PD-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > ;-) > > best, Gerda >

1 0

Re: [PD] practical synthetic sound design
by Kyle Klipowicz 16 May '06

16 May '06

The only concerns I have (sounding like Frank now) is that many of your bangs are patched without using the trigger object. I think that to keep the code clean and predictable, it would be a good strategy to implement triggers for all multiply connected events. Also, that would be nice to communicate to novice Pd users, so they start their coding habits early. Other than that, awesome work! ~Kyle On 5/15/06, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > Hi Kyle, > > Thanks for your kind remarks. I just added "footsteps" and "switches" so that makes 12 I think. > The finished book will contain about 40, but it will remain a free web resource whether O'Reilly take it or not. > Please don't be shy to let me know any errors or bad points you find too, or any ideas you would like me to try and > deal with. > > All best regards, > Andy James Farnell > > > > > On Sun, 14 May 2006 14:23:50 -0500 > "Kyle Klipowicz" <kyleklip(a)gmail.com> wrote: > > > Oh wow! I just peeked at them, this is a great site! How many > > tutorials are there now? As a fan of foley art, I can greatly > > appreciate this knowledge, thank you! > > > > ~Kyle > > > > On 5/14/06, padawan12 <padawan12(a)obiwannabe.co.uk> wrote: > > > Greetings, > > > > > > I finished another tutorial in my collection for "Practical synthetic sound > > > design". That makes 10, so now I think its time to welcome feedback on the > > > subject style, how easy/hard they are to follow, if the examples work and make > > > sense.. > > > > > > My target for September is 40-50 tutorials to make a full set which I hope will > > > serve as the "practical" complement to Millers book dealing with the theory. > > > These are early drafts and much will change to better structure them. There > > > are no musical examples. It's never been my intention to cover the ground > > > already mapped by Dodge and Jerse, Roads, and others. This work is aimed > > > squarely at the games and film sound designer and attempts a non-mathematical > > > approach. > > > > > > I greatly appreciate your sincere and honest criticisms. > > > Personal replies are preferred to list posts. > > > > > > Right now they live here > > > http://www.obiwannabe.co.uk/padawan12/onlinetutorials/html/tutorials_main.h… > > > > > > Cheers, > > > Andy > > > > > > _______________________________________________ > > > PD-list(a)iem.at mailing list > > > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > > > > > > > -- > > > > http://theradioproject.com > > http://perhapsidid.blogspot.com > > > > (((())))(()()((((((((()())))()(((((((())()()())()))) > > (())))))(()))))))))))))(((((((((((()()))))))))((()))) > > ))(((((((((((())))())))))))))))))))__________ > > _____())))))(((((((((((((()))))))))))_______ > > ((((((())))))))))))((((((((000)))oOOOOOO > -- http://theradioproject.com http://perhapsidid.blogspot.com (((())))(()()((((((((()())))()(((((((())()()())()))) (())))))(()))))))))))))(((((((((((()()))))))))((()))) ))(((((((((((())))())))))))))))))))__________ _____())))))(((((((((((((()))))))))))_______ ((((((())))))))))))((((((((000)))oOOOOOO

1 0

Finding frame rate for video
by Chuckk Hubbard 15 May '06

15 May '06

Wanting to automate opening videos in GEM. Is there any library with a function to check a movie header for fps? -Chuckk -- "Far and away the best prize that life has to offer is the chance to work hard at work worth doing." -Theodore Roosevelt

3 5

syncgrain linking problem
by Georg Holzmann 15 May '06

15 May '06

Hallo frank, list! I just have a problem with syncgrain (recompiled flext with stk support and syncgrain): --------8<------------ /usr/lib/pd/extra/syncgrain~.pd_linux: undefined symbol: _ZTI6SndObj c++filt _ZTI6SndObj typeinfo for SndObj --------8<------------ don't know what the problem should be ... ... maybe something in the config.txt: --------8<------------ # where is the Sndobjs installation? # (uncomment the line with # to disable SNDOBJ support) # please be sure to delete an eventual m_pd.h file from the SNDOBJ include folder!! SNDOBJ=/usr/lib --------8<------------ ... I guess this should point to libsndobj (/usr/lib in my case) ? Also the headers of SndObj are not included to the Include-Path, so syncgrain fails to compile ... Thanks, LG Georg

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Pd-list May 2006