Pd-list August 2002

pd-list@lists.iem.at

83 participants
107 discussions

Access grid
by shreeswifty 30 Aug '02

30 Aug '02

Hi we have this wonderful tool at http://www.digitalworlds.ufl.edu called the access grid. It has been used for some very neat things and i noticed when it was up an communicating to other nodes on the planet that it uses tcl/tk for its video display. Surely we can create an external for this in pd right? something along the lines of shoutcast maybe? maybe some framestein and GEM for "effecting" the grid displays? Pat Pagano, Director South East Just Intonation Society http://www.screwmusicforever.com/SHREESWIFT/

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Re: [PD] outputting samples
by J. Scott Hildebrand 30 Aug '02

30 Aug '02

i agree that it's a good idea to use all resources available, but this list is here for a reason. if i happen to bug some of you then keep it to yourself. i'm pretty new to pd and this is also my first time doing any real programming outside of a few silly school projects. if you don't want to answer a question then don't, simple as that. if you don't want to read my emails, then don't. i don't thoroughly read all pd-list emails because not all of them pertain to what i'm trying to do, but sometimes i'll sift through them because i might learn something along the way. get off my case, scott -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

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How ?: printing actual dsp chain (order of calculation)
by Herr Reinhard Gretzki 30 Aug '02

30 Aug '02

Hello all, does somebody know, how to print out the actual dspchain of audio calculation in pd? Something like the "print" message to the object " dsp" in max/jmax, that prints out the dsp chain in "C" like language, would be good... This would help to know if all of my delwriters are in the right order. TIA for any info Reinhard

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midi-clock into PDwin?
by Thomas Loop 30 Aug '02

30 Aug '02

Hi list, has there been any advancement on the field of MIDI for PDwin? I need to get a midi clock into pd on a Win2k system to sync a GEM patch. Any ideas? I know this has been asked a few times before but I couldn't find any solution, yet. And no, I can't afford Linux at the moment. Just too expensive in terms of time :-) All the best and bows to the dev-folks for this great piece of software, .loop.

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Re: [PD] outputting samples
by marius schebella 30 Aug '02

30 Aug '02

sorry, i cannot catch what your problem is the outlet~ of the 256-window produces a stream. one 256-sample vector covers 5,8 ms (at 44,1 kHz). and the 64-window gets that stream and handles it in 4 parts (each 64 samples, each 1.45 ms). there is no loop at all. in each (block)window there is a kind of "trigger-point" until then all calculations of a vector have to be done. and at that point the result is copied to what ever (eg. the soundcard). in a 64 block this is done all 1,45 ms (depending on the samplerate). a larger blocksize has less of those "trigger-points" and does calculations on larger data. - at least thatÅ½s how I understand the whole thing. sme. ----- Original Message ----- From: "J. Scott Hildebrand" <jshildebrand(a)ucdavis.edu> To: "marius schebella" <marius.schebella(a)chello.at> Sent: Friday, August 30, 2002 1:09 AM Subject: Re: [PD] outputting samples > > ok i see what you're saying, but this is only converting block > sizes. would it just take 64 samples and send that, and then send the next > 64 a couple more times? how do the samples actually get to the soundcard? > > scott > > > > On Fri, 30 Aug 2002, marius schebella wrote: > > > do this: have the block~ 256 in a subpatch and in this subpatch there should > > be a outlet~ object to which you can connect the signal-stream. the outlet > > on the objectbox of your subpatch should then have a connection to a dac~ > > object. (the parent patch has the (default) 64-sample-vector-size). outlet~s > > and inlet~s is the best way of converting between different blocksizes. > > sme. > > > > > > > i now know that the output array is hardcoded to 64 blocksize. if > > i > > > > > have an array of 256 inside my perform function, how do i create a > > loop to > > > > > output the whole thing? i guess a better question would be; is the > > output > > > > > finally sent to the soundcard when there is a whole pass through the > > > > > entire external, or when leaving the perform function? thanks! > > > > > > > > > > > > > > -------------------------------------------------------------------- > > "640K ought to be enough for anybody." -- Bill Gates, 1981 > > -------------------------------------------------------------------- >

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outputting samples
by J. Scott Hildebrand 30 Aug '02

30 Aug '02

i now know that the output array is hardcoded to 64 blocksize. if i have an array of 256 inside my perform function, how do i create a loop to output the whole thing? i guess a better question would be; is the output finally sent to the soundcard when there is a whole pass through the entire external, or when leaving the perform function? thanks! scott -------------------------------------------------------------------- "640K ought to be enough for anybody." -- Bill Gates, 1981 --------------------------------------------------------------------

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Small problem with sfplay
by Goulven L'Her 29 Aug '02

29 Aug '02

Hi, I found a small problem using sfplay, from the zexy v1.1 package (i am using pd v0.35-1 and gem v0.87 with win2k). If sfplay have no sample in memory, and if you send the close instruction to it, then you can't open a new sample directly. You have to open twice the sample, only the seconde time it works. So i did a small reset routine which do the folowing things: send the stop message send the close message send two time the open message with a small silence sample. Maybe it could be good to have a reset message for sfplay. But exept this litle bug it seem to works perectly. Goulven L'Her.

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How do I specify port # in midi messages?
by Jim Ruxton 29 Aug '02

29 Aug '02

Hi , Just wondering if I have a 2 port midi interface how I specify the port # in messages such as ctlin and ctlout. Thanks! Jim

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gem library incompatibilites (zexy, motex)
by João M Pais 28 Aug '02

28 Aug '02

Dear list, I installed gem 0.87, and noticed that there are some objects that are repeated from other libraries, specifically average and scale (motex), change (default), abs~ (zexy 1.1). Are the objects from gem identical to the other ones? (at least they seem) If so, is there any advantage in using one instead of the other? To decide which library to use, pd works with the libraries first loaded, so I put gem as the last library on my list. JoÃ£o Miguel Pais

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New Tcl/Tk release for MacOSX?
by Adam T. Lindsay 28 Aug '02

28 Aug '02

Hi all, While trawling through the web today, I noticed that the MacOSX branch of Tcl/Tk development has been merged with the main trunk. Although there aren't any new binaries available for download at SourceForge, I noticed that the AlphaTK distro has *just* posted a new version, which includes what appears to be a new Tcl.framework, Tk.framework, and Wish.app. They seem to work fine on my machine so far... <ftp://ftp.ucsd.edu/pub/alpha/tcl/alphatk/Alphatk.dmg> As a side issue, has anyone else been tracking Tcl/Tk development on MacOSX? I also tried updating my CVS snapshot, but couldn't get the revised .pbproj files to open. I suspect it could be due to a dependence on new DevTools, but can't say for sure. If anyone knows any more, I'd appreciate some pointers. adam -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Adam T. Lindsay atl(a)comp.lancs.ac.uk Computing Dept, Lancaster University +44(0)1524/594.537 Lancaster, LA1 4YR, UK Fax:+44(0)1524/593.608 -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

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Pd-list August 2002