Pd-list August 2001

pd-list@lists.iem.at

47 participants
85 discussions

Re: [PD] Doc/6.Externs foo object?
by Rory Walsh 13 Aug '01

13 Aug '01

I'm afriad that doesn't work either, when I do -lib it says that it can't load library and when I do -path the main pd window immeadiately says 'can't create objecy foo1. Any other suggestions? I'll try compiling foo1.c myself and see if that works. Thanks for the help! regards, Rory ____________________________________________________________ Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie

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maestro ess3 NOT STEREO input
by Gregorio García 12 Aug '01

12 Aug '01

Pix. Sorry for the preceding message that was automaticly sent before i finished all tests, THIS IS WHAT IS TRUE and not what i said in my preceding message answering you. In Win (ME, maestroESS 3 driver) the input is NOT stereo. Sorry for my first wrong appreciations. Plugging a stereo source in the input both in windows and linux is treated as a mono source leaving out one of the channels. So in pd both adc~1 and adc~2 output the same (mono) signal that matches just one of the channels channel of the stereo signal you plug in the input, although recording from CD works fine outputting a stereo signal. Plugging in a stereo source in windows produces the same behaviour. The techincal spec sheet states that A/D and D/A is 16 bit stereo though. The soundcard input plug has a little MIC painted on it and its behaviour IS as if it were a standard mono mic input. The input is controlled in both mixers (win&linux) by the MIC input fader (maybe this has something to do with the mono trouble?). The Win mixer has a +20 dB switch to handle both line and mic levels. By the way the right soundcard model is Maestro ESS 3, chip 1980 ----- Original Message ----- From: pix <pix(a)test.at> To: G.G Karman <ggkarman(a)airtel.net> Sent: Saturday, August 11, 2001 7:49 PM Subject: Re: [PD] notebook (PC) for creation of sound ? > On Sat, 11 Aug 2001 18:39:15 +0200 > "G.G Karman" <ggkarman(a)airtel.net> wrote: > > > My lap has also a built-in soundcard ESS maestro 3 (number 1870 i > > think), > > but in my case i/o is limited to just 1 mono input and stereo out (the > > output quality isnt too bad). > > hey there, i have the same card in my laptop, and the same mono-input > limitation... but when i bought it, they told me that the input was > stereo... i have a feeling that this is a flaw in the linux driver, but > i've never been able to test this under windows because i have a > linux-only install. can you remember if the input is stereo/mono under > windows? > > tnx > pix.

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Re: FW: [PD] can one osc~ read several partials?
by nlhommet＠netcourrier.com 11 Aug '01

11 Aug '01

Thank you ! It works well with your samples (waveforms) but I had to resize my array to 515 to make it work. I found the explanation in the tabsosc4~ help patch : "The table should have a power of two points plus three "guard points", one at the beginning and two at the end, which should be wraparound copies of the last point and the first two points, respectively." These kinds of start/stop bits are necessary. In this case 515 points = 1 guard point + 2^9 points (512 points waveform) + 2 guard points. I just wonder why these "guard points" are not 'generated' internally by the tabosc4~object. Another question: Michal, in your samples the triangle and square are between 0 and 1. To use them as sound oscillators (like osc~), i think it would be better to get a signal between -1 and 1, ie for a triangle waveform, something like 0 1 0 -1 0 . Am i right ? BR nicolas >From: Michal Seta <mis(a)music.mcgill.ca> >Date: Sat, 11 Aug 2001 01:49:27 -0400 >That's a little trickier. Create an array and feed it the file I attached >for triangle/square. Use soundfiler with -resize switch to adjust the table >size for the triangle/square to fit in well. And there you go with your >triangle and square wave generator using tabosc4~. > ------------------------------------------------------------ NetCourrier, votre bureau virtuel sur Internet : Mail, Agenda, Clubs, Toolbar... Une gamme d'outils gratuits et performants à votre service. Web/Wap : www.netcourrier.com Téléphone/Fax : 08 92 69 00 21 (0,34 E TTC/min - 2,21 F TTC/min) Minitel: 3615 NETCOURRIER (0,15 E TTC/min - 1,00 F TTC/min)

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Re: [PD] reading a list of numbers simultaneosly
by cormac mccann 11 Aug '01

11 Aug '01

To whom it concerns Is there any way by using a textfile to create a graph or array that display points rather than lines For example the following points: 1,200 1,500 1,700 1,900 1,8000 Comments gratefully received cormac mccann _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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FW: [PD] can one osc~ read several partials?
by Michal Seta 11 Aug '01

11 Aug '01

Forgot to make sure this one was sent to the list.... Sorry... ------ Forwarded Message From: Michal Seta <mis(a)music.mcgill.ca> Date: Sat, 11 Aug 2001 01:49:27 -0400 To: Nicolas Lhommet <nlhommet(a)netcourrier.com> Subject: Re: [PD] can one osc~ read several partials? On 8/10/01 8:49 PM, "Nicolas Lhommet" <nlhommet(a)netcourrier.com> wrote: > I can't find any tabosc~ object in pd. Is it an external ? > I would like to play waveforms instead of a sum of oscillators. Should i use > tabreceive~ ? Sorry, I couldn't look it up and my memory sometimes chops a few bits off stuff. I meant tabosc4~ (look in <pd_doc>/5.reference) Also I said: "[snip] send an array a message along the lines of 'sinusoid' with a bunch of parameters [snip]". I meant sinesum or cosinesum (same help patch). > Another related question: we got the osc~ object for a cosine oscillator, > phasor~ for a sawtooth oscillator. But i'd like to use triangle, square or > pulse oscillator too. What is the best way to generate such waveforms in pd > and use them at any frequency ? That's a little trickier. Create an array and feed it the file I attached for triangle/square. Use soundfiler with -resize switch to adjust the table size for the triangle/square to fit in well. And there you go with your triangle and square wave generator using tabosc4~. Ah, and check <pd_doc>/3.audio.examples patch 09.pulse.spectrum.pd and 11.pulse.width.mod.pd for some examples of using pulse. Probably not exactly what you're looking for but it's a nice way to generate an array filled with pulses to your liking. Cheers ./MiS ============================ "To be is to do" - Socrates "To do is to be" - Sartre "Do be do be do" - Sinatra "Just do it!" - NIKE "It" - Stephen King ------ End of Forwarded Message

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FW: [PD] notebook (PC) for creation of sound ?
by Ivica Bukvic 10 Aug '01

10 Aug '01

Forgot to mention, the below mentioned PCMCIA soundcard runs ya around $350. Check http://www.rme-audio.com or http://www.rme-audio.com/english/hdsp/cardpci.htm for more info on it. Ico -----Original Message----- From: Ivica Bukvic [mailto:ico@fuse.net] Sent: Friday, August 10, 2001 10:00 AM To: Andrey Savitsky Cc: pd-list(a)iem.kug.ac.at Subject: RE: [PD] notebook (PC) for creation of sound ? Hello, I've been using Dell's Inspiron 8000 very successfully so far. Personally, I believe it is currently the best laptop on the market (obviously this is my opinion, nothing more :-). You can custom-configure it down to every single detail and it runs Linux out-of-box (except for one of the offered video cards: Geforce2Go, since it came out only 4 months ago, so no distribution had its drivers bundled, but Nvidia has a great Linux driver support so the post-install config is relatively easy). As a soundcard it uses ESS Maestro 3i soundcard which is the best one I've seen bundled with a laptop (most, if not all laptop soundcards come integrated into the motherboard). It has a Line-in, Mic-in and audio out (Stereo), but the laptop itself also supports SPDIF out. On the other hand, if this is not satisfactory for ya, you can always get PCMCIA version of RME DSP (~24 channel, or somewhere around that number) card, but I am not sure if the Linux driver for that one is ready as of yet, and for that you got 2 PCMCIA ports. The laptop also has a firewire port and if you need raw Cpu power for real-time stuff, you can buy it as fast as 1 Ghz Pentium III (I used it on my recent performance of my thesis work using live sound processing/interaction with a guitar and had absolutely no problems whatsoever). Geforce2Go is also a real jewel of a video card, being the only hardware T&L video card for the mobile computer at this time, also utilizing 4x AGP (and Nvidia's drivers, although currently still having a few glitches, have a tremendous performance in Linux) and it really does wonders to Gem. You can also opt for a cheaper ATI Mobility M4 card (also 4x agp with 32MB of video RAM), but this type of card is extremely hard to configure for acceleration (using DRI), while its 2D XFree config is out-of-box, so you might wanna consider getting AcceleratedX with this one in order to get a good acceleration performance out of it (commercial version of X that can run you around $100-120 which in the end makes it more expensive solution than the other :-). In both cases you'll end up with one heck of a system. If you need more info regarding this system or have additional questions, please do not hesitate to e-mail me. Ivica "Ico" Bukvic, composer http://meowing.ccm.uc.edu/~ico/ ico(a)fuse.net ============================ "To be is to do" - Socrates "To do is to be" - Sartre "Do be do be do" - Sinatra "Just do it!" - NIKE -----Original Message----- From: Andrey Savitsky [mailto:savitsky3000@yahoo.com] Sent: Friday, August 10, 2001 3:53 AM To: pd-list(a)iem.kug.ac.at Subject: [PD] notebook (PC) for creation of sound ? hi Is there anybody in the list who uses a notebook (PC) for creation of sound ? I`d like to buy one for mobility but can not find any answer on the question of quality of sound. In specifications for some notebooks stands only "SBpro compatible stereo sound" comment. I dont know what does it mean, becouse it's just driver-standart, no more. Would it be enough quality (of a soundcard) for making sound? Have any experience? Thanks. Andrey. _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com

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Re: [PD] reading a list of numbers simultaneously
by cormac mccann 09 Aug '01

09 Aug '01

Dear colleagues, I have a list of x,y values which are to be read as frequency varying with time. i.e point (time,frequency) Some frequencies must therefore be sounded at the same moment of time i.e. (1,100)(1,200)(1,300) How could I get an Pd instrument(e.g. simple oscillator) to read all frequency values at X=1, together in harmony,as it were. I have tried to use arrays but they only read one y value at a time. I tried to unpack a qlist but unpack will only unpack 2 elements at one time I need to unpack 30 elements from a list/textfile at one time. I would be grateful of any comments My final product will be a musical protrayal of the Mandelbrot set. CormacMcCann _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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Perfect world setup. Recommendations?
by a. mokan 07 Aug '01

07 Aug '01

I have been playing with PD for a few weeks now and I am intrigued by the concept of using PD and GEM for performance. I am planning to build a new computer in the next few weeks and wanted some input. 1) Is Linux still the best as far as latency is concerned? 2) I plan on buying the Hammerfall card. Is anyone using the 4 analog output card with it? Is this still the best option for PD? 3) Is there dual-proc support? 4) Finally, (not trying to start a war on this...) what processor is recommended? P3, P4, or DDR Athalon? 5) Anyone using a Phatboy or similar midi knob/fader box? Any recommendations? I apologize for the flame bait on this but I want to put something together that will help me get the most out of pd. Thanks for the great software! -adam mokan

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Internal pd messages documentation
by damien_henry＠libertysurf.fr 07 Aug '01

07 Aug '01

Dear list. I've put on the pure data wikiwki (http://iem.kug.ac.at/pdwiki/)the new release of a documentation previously called self-generation and self construct. You can download it directly with this link : http://iem.kug.ac.at/pdwiki/stuff/pd-msg.tar.gz This doc is very incomplete : I'm looking for everything that manage or create abstractions without the mouse in the standart GUI. I guess some of you have done things... Here a brief resume of what's in it : 1.msg_and_patch describe msg that can be sent to patch. contains pd files 2.msg_and_pd describe msg that can be sent to pd. contains pd files 3.pdscript it's a sh scrip using pdsend to create patch into pd. pdscript has been done by Guenter Geiger contains it's own readme + files. 4.msg_from_tcl/tk decribe how to use tcl/tk to create, open patch, etc... using the -nogui option. 5.Examples Contain an example of how a "obj x y myOsc~" message can be use to deal with massive polyphonie (100 osc~or more) cheers, Damien. -------------- Profitez de l'offre spéciale Liberty Surf ! 50 h / 95 F TTC par mois tout compris pendant 3 mois http://register.libertysurf.fr/subscribe_fr/signup.php3

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Re:[PD] ELF file has incorrect phentsize..?
by yon visell 06 Aug '01

06 Aug '01

the error was that i failed to compile the external as a shared module, or whatever it is called, using a second pass of cc with the -shared flag. but i guess this procedure makes sense, and now it works. thanks! sorry for the bandwidth occupation! -yon >on loading, i now get an error message (pasted below) which does not seem >to appear anywhere in the Pd source code, so i thought it must be linux >specific? (i'm running linux on PPC) >/usr/local/lib/pd/externs/smpmodel.pd_linux: /usr/local/lib/pd/externs/smpmodel.pd_linux: ELF file's >phentsize not the expected size > smpmodel 10 6 2 3 3 >... couldn't create >

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Pd-list August 2001