Pd-list June 2008

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124 participants
197 discussions

Re: [PD] Size of a table
by marius schebella 14 Jun '08

14 Jun '08

Hans Roels wrote: > Apart from [soundfiler] I use this trick to get the size of any array > (audio or data) in pd vanilla: > (array1 = the name of an example array) > > bang > | > [expr size("array1")] > | > print > > or replace the expr with [expr size("$s2")] and connect a message > [symbol array1( to the second inlet of this expr object > > hans r hi, that's cool. did not know that expr can do that! are there more features of expr that are hidden or unknown?? marius. > > At 09:38 11/06/2008, you wrote: >> On Wed, Jun 11, 2008 at 10:03:28AM +0200, IOhannes m zmoelnig wrote: >>> raul diaz wrote: >>>> I have a dumb question. What's the best way to get the size of a table? >>>> Sometimes I load a lot of samples on tables with soundfiler and I would >>>> like to take the size of each sample as a variable in order to use it >>>> with phasor + tabread4~. >>>> Is there any object which gets the size of a table? >>> well i have a dumb answer: why not use the "length" output of [soundfiler]? >>> >>> i think that in this case the philosophy of Pd his, that there are 2 >>> ways to change the length of a table: do it interactively (e.g. create a >>> [table bla 1024] or do it programmatically (e.g. via [; bla resize 216() >>> in the first case the author of the software is responsible for using >>> (e.g. "hardcoding") the right table-size throughout there patch, in the >>> latter case you could just listen to these programmatical changes). >>> tables suddenly changing there size are beyond Pd :-) >> There is one situation I have encountered where it would be useful to >> have a built in [arraysize]. In some of the s-abstractions such as >> [s-samplepiece~] you have to pass in the table name that you'd like the >> abstraction to use. This means that at some point the user loads some >> audio data into the named table (for example using [s-loader~]) and they >> then know the sample table size. When they create the [s-samplepiece~] >> playback abstraction they must manually enter the array size as one of >> the arguments to the abstraction, along with the table name. >> Inefficient. >> >> Best, >> >> Chris. >> >> ------------------- >> http://mccormick.cx >> >> _______________________________________________ >> Pd-list(a)iem.at mailing list >> UNSUBSCRIBE and account-management -> >> http://lists.puredata.info/listinfo/pd-list > > > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list >

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Madrid 14-06-08 - MÚSICA OFF-LIMITS
by João Pais 14 Jun '08

14 Jun '08

MÃSICA OFF-LIMITS RELENTLESS. Artur Vidal y SÃ©bastien Branche, saxos y objetos ENDPHASE. Alberto C. Bernal, JoÃ£o Pais y Enrique TomÃ¡s, electrÃ³nica GREGORIO JIMÃNEZ. ElectrÃ³nica y sensores SÃ¡bado 14 de junio. 21:00 horas. GalerÃa off-limits, C/Escuadra 11. M-LavapiÃ©s Entrada libre http://www.endphase.net -- Friedenstr. 58 10249 Berlin Deutschland Tel +49 30 42020091 Mob +49 162 6843570 jmmmpais(a)googlemail.com skype: jmmmpjmmmp http://www.puredata.org/Members/jmmmp IBM Thinkpad R51, XP, Ubuntu GG Pd-Ext-0.39-2-t5, Pd Van 0.40-t2

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Re: [PD] Teaching Pd to Children
by Andy Farnell 13 Jun '08

13 Jun '08

Lau I think ( I do hope I'm right) you may have meant to reply list, so returning + list. On Fri, 13 Jun 2008 22:11:44 +0200 "Lau Llobet" <socunasindria(a)gmail.com> wrote: > I would take advantage of the easy interface with midi and audio. > > I would start with adc and dac and let them play with the feedback > > Then with some headphones let them play with stereo : one sings to a mic, > the other sends data to one or other channel and a third one listens to the > headphones > > Plug a Vslider to an osc and phasor so they can make it whisle > > Use fiddle and send the note to a midiout > > If you have a midi interface the thing can get funnier ! Oh yes, now I remember, a lot of fun we had with USB toys, joysticks, steering wheels etc. Und of course now you have Wii controllers. Man, I wish we did maths that way when I was a kid! > > On Fri, Jun 13, 2008 at 8:59 PM, Andy Farnell <padawan12(a)obiwannabe.co.uk> > wrote: > > > > > > > > > > > Seems like a great opportunity for lots of fun Kyle. > > > > I suppose you might start with simple linear data flows > > in the message domain. Examples like > > > > Convert Fahrenheit to Celsius > > Convert Dollars to Euros > > > > Then plot them into graphs > > > > Up to then you can avoid triggers/ eval orders - once you > > have covered triggers you can do > > > > Find the average of N numbers > > Vector magnitude sqrt(x*x + y*y*) > > > > If you hide the innards of GEM and just call it a 'graphics > > output routine' you could do equations of circle etc. > > > > The beetle race and roulette wheel (on my site) were popular > > and generated lots of discussion. > > > > One example I thought would be easy actually turned out > > quite hard in Pd - a desktop calculator (definitely an > > advanced topic) > > > > > > > > > > > > > > > > > > On Fri, 13 Jun 2008 13:30:09 -0500 > > "Kyle Klipowicz" <kyleklip(a)gmail.com> wrote: > > > > > Hello Listers~ > > > > > > I'm teaching a 1 month Summer school session for K-8 grade students and > > > would like to include Pd for a mathematics learning tool. I am wondering > > if > > > anyone else has done something similar, or has any links to DSP/math > > related > > > materials that would be suitable for this age group. Also, if anyone is > > > sharing their lesson plans for Pd beginners, I would love to see > > something > > > that I might be able to adapt for my students. > > > > > > Any ideas would be greatly appreciated, as kids often hate Summer school > > and > > > I want to make this a fun activity for them. > > > > > > ~Kyle > > > > > > -- > > > ----- > > > ------------ > > > ---- ----- > > > ---- -------- - ------ > > > http://perhapsidid.wordpress.com > > > http://myspace.com/kyleklipowicz > > > > > > > > > -- > > Use the source > > > > _______________________________________________ > > Pd-list(a)iem.at mailing list > > UNSUBSCRIBE and account-management -> > > http://lists.puredata.info/listinfo/pd-list > > > -- Use the source

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Avoiding clips
by Lau Llobet 13 Jun '08

13 Jun '08

Hi there , this is my first post ! I'm looking for an extern which avoids clips in signals [~] i dont know if it exist on pd own objects or if it is on the repositori. I coudnt find an efficent way to know which are the externs in the repositori, looking in each folder is the only way to know it's content ? Here goes a detailed explanation of what i mean by avoid clipping: I'm playing blocks of signal from diferent arrays, when one stops playing the other starts, the problem is that most of them dosnt start and end at 0 value and a clip sounds between in the change of block. Due to the whole project aim i cannot use crossfading between blocks. I've been thinking in a possible solution : 1- take the last value of one block and build a linear ramp of N samples to the N value of the subsequent block and add all the values to that ramp this solution would require the whole block as an input and wouldnt work as a in-out object ->[~smoothclips]-> 2- Dettect a clip as a suddent fall of values between two samples * abs(X(-1)-X(0))>threshold* and for the N subsequent samples X(i) do : X(0)= 0.8*X(-1) + 0.2* (0) X(1)= 0.6*X(-1) + 0.4* (1) X(2)= 0.4*X(-1) + 0.6* (2) ... and so on Thank you !

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Re: [PD] [PD-announce] Pd-0.40.3-extended-rc1 released
by Hans-Christoph Steiner 13 Jun '08

13 Jun '08

I am cc'ing the list since this is of general interest. People at ZHdK helped me find this bug while I was there in Zürich, it should be fixed in the most recent nightly builds. .hc On Jun 12, 2008, at 9:51 AM, Kjetil Falkenberg Hansen wrote: > Hi, sorry if I breach any emailing policies by answering to you > directly... > > I tried the latest version, and as far as I can tell everything I > use run smoothly, except one. My Arduino-boards (Diecimila) > suddenly stopped sending input to pd (I use your patch and the > standard Firmata). The boards connect, but I get the messages > > [comport] opened serial line device 15 (COM15) > > moocow/string2any 32 -1 > ... couldn't create > [arduino]: version_0.4 > UNKNOWN_INPUT_COMMAND: 6 0 > > Since moocow/string2any doesn't seem to appear in any of the used > patches, I don't know if that's the problem. Hope I was clear > enough in the not-quite-a-bug-report report. I use WinXP. > > Greetings from KTH Stockholm, > Kjetil > > Hans-Christoph Steiner wrote: >> For this release, there has been a lot of work in making the GUI >> and user experience much more fluid and easy. There is a new >> visual look that was designed to make patches more readable. >> Additionally, lots of things have been tweaked to make Pd behave >> more like a normal app. There has already been a lot of testing >> on these builds, so it is getting quite close to a final version. >> (Debian/PowerPC is missing now but will come later) >> >> http://at.or.at/hans/pd/installers.html >> >> Here is a partial changelog: >> >> - next visual appearance designed for readability (it can run >> slower on machines < 1 GHz) >> >> - default locations for user-installed externals, helpfiles, etc. >> GNU/Linux: /usr/share/pd and ~/pd >> Mac OS X: /Library/Pd and ~/Library/Pd >> Windows: %ProgramFiles%/Common Files/Pd and %UserProfile%/ >> Application Data/Pd >> >> - lots of standard key bindings added: >> Enter/Return for OK >> Escape for Cancel >> Ctrl/Cmd-W closes all windows >> on Mac OS X, Cmd-` cycles thru open windows >> on Mac OS X, Cmd-m minimizes windows >> Ctrl/Cmd-R raises/lowers Pd window >> Ctrl/Cmd-Shift-R shrinks/grows Pd window >> Ctrl/Cmd-Shift-L clears Pd window's text console >> Ctrl/Cmd-B opens the Help Browser >> >> - you can now use "~" in all paths to mean home folder, and on >> Windows you can use environment variables, lie %UserProfile% in paths >> >> - cut/copy/paste now work directly into text boxes on all platforms >> >> - [declare] and [import] now sorted out for loading, much work >> needs to be done before there namespace support is complete >> >> - "File -> Save As" defaults to the Home folder (~/) >> >> - fixed Cut/Copy/Paste for the Pd window's console >> >> - included pgp_opengl aka 3dp on GNU/Linux and Mac OS X >> >> KNOWN BUGS >> >> - check http://puredata.info/dev/bugtracker before reporting bugs >> >> - Escape, Enter, and Ctrl/Cmd-W don't close the Path and Startup >> preferences >> >> - pdp_opengl is alpha and will definitely crash Pd >> >> - loading pdp_opengl will crash Pd if X11 is not open before >> trying to load it >> >> >> .hc >> >> --------------------------------------------------------------------- >> --- ---- >> >> I spent 33 years and four months in active military service and >> during that period I spent most of my time as a high class muscle >> man for Big Business, for Wall Street and the bankers. - >> General Smedley Butler >> >> >> >> _______________________________________________ >> Pd-announce mailing list >> Pd-announce(a)iem.at >> http://lists.puredata.info/listinfo/pd-announce >> ------------------------------------------------------------------------ ---- The arc of history bends towards justice. - Dr. Martin Luther King, Jr.

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Re: [PD] change latency on windows xp
by Ingo Scherzinger 13 Jun '08

13 Jun '08

> Hi, > I*m using pd under windows xp and would like to change the latency setting of pd. > When launching pd it automatically uses a latency of 70 ms. > I*d like pd to automatically use a latency of 20 ms whenever launched. > How can I do that? > > Thanks, > Marko Go to "File/Startup." and hit [Save all settings] after changing the latency. Ingo

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Re: [PD] Multiple Audio Devices
by Mika Ristimäki 13 Jun '08

13 Jun '08

Hi again, I've been searching the list archives even more and I've found several posts that say that this can be done and that the instructions can be found from the archives. However I haven't been able to find any instructions. =) So any ideas how to do it in Windows XP? Sorry for nagging, but I really like using Pd, but if there is not support for my hardware I might have to change the software. -Mika > Hi all, > > I have a problem how to use multiple audio devices in Pd. I tired to > search the archives but didn't find anything useful. Anyway... > > I have RME Fireface 800 audio interface and RME Octamic microphone > pre-amplifier. Octamic is connected to Fireface with ADAT. I'm using > Windows XP. I have connected 8 mics to Octamic and 4 mics to Fireface > (it also has 4 mic level inputs). The problem is that I don't know how > to get all 12 channels to work in Pd. > > when I start Pd with -listdev, I get > > audio input devices: > 0. Live! Cam Optia AF (Mic) > 1. Fireface Analog (1+2) MME > 2. Fireface Analog (3+4) MME > 3. Fireface Analog (5+6) MME > 4. Fireface Analog (7+8) MME > 5. Fireface Analog (9+10) MME > 6. Fireface SPDIF MME > 7. Fireface ADAT1 (1+2) MME > 8. Fireface ADAT1 (3+4) MME > 9. Fireface ADAT1 (5+6) MME > 10. Fireface ADAT1 (7+8) MME > 11. Fireface ADAT2 (1+2) MME > 12. Fireface ADAT2 (3+4) MME > 13. Fireface ADAT2 (5+6) MME > 14. Fireface ADAT2 (7+8) MME > 15. Fireface Analog (1+2) > 16. Fireface Analog (3+4) > 17. Fireface Analog (5+6) > 18. Fireface Analog (7+8) > 19. Fireface Analog (9+10) > > I can have the 8 Octamic channels if start Pd with -audioindev 7 > -inchannels 8. Or the 4 Fireface channel by -audioindev 4 -inchannels > 4. But when I try to define both like this, -audioindev 4,7 > -inchannels 4,8 pd gives an error "separate audio device choice not > supported\; using sequential devices." > > -audioindev 4 -inchannels 12, does not work either. > > So is it impossible to get the two different devices working > simultaneously or is there some kind of hack? > > Thanks for any help > > -Mika > > > >

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change latency on windows xp
by Marko Timlin 13 Jun '08

13 Jun '08

Hi, I*m using pd under windows xp and would like to change the latency setting of pd. When launching pd it automatically uses a latency of 70 ms. I*d like pd to automatically use a latency of 20 ms whenever launched. How can I do that? Thanks, Marko

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Re: [PD] Size of a table
by Roman Haefeli 12 Jun '08

12 Jun '08

On Wed, 2008-06-11 at 12:09 +0100, Hans Roels wrote: > Apart from [soundfiler] I use this trick to get the size of any array > (audio or data) in pd vanilla: > (array1 = the name of an example array) > > bang > | > [expr size("array1")] > | > print hey, nice trick. thanks for sharing. roman ___________________________________________________________ Der frühe Vogel fängt den Wurm. Hier gelangen Sie zum neuen Yahoo! Mail: http://mail.yahoo.de

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PD_extended 3.93 help menu
by Joe Reinsel 12 Jun '08

12 Jun '08

Hello all, I just updated my computer to Mac 10.53 and when I try to access the help menu so I can look through the browser, PD_extended 3.93 crashes every time. Is anyone working on a fix for this issue. I have alway thought this menu was helpful especially for newbies. thanks, Joe -- "There is no such thing as an empty space or an empty time. There is always something to see, something to hear. In fact, try as we may to make a silence, we cannot." -John Cage

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Pd-list June 2008