Pd-list November 2009

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129 participants
189 discussions

Re: [PD] Thirty-second meeting of the Pd club of, Montr?al, QC
by Matteo Sisti Sette 11 Nov '09

11 Nov '09

Oh, I thought "thirty-second meeting" meant a meeting of the duration of thirty seconds - lol -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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R: emulating the behaviour of a midi keyboard: trouble with repeated notes
by Athos Bacchiocchi 11 Nov '09

11 Nov '09

thanks all for your help! @Claude: my aim is to emulate the behaviour of a midi keyboard played by a human. so, no possibility to overlap notes with the same pitch (instead, overlap of different notes is allowed). If the random note generator generates a new note with the same pitch of another previously generated and not yet ended, the previous note must be terminated before its "programmed" time, and then the new generated note will be started. @Mike: the patch you suggest avoids that a new note with the same pitch of the previous one is sent to output. But i want the new note to be sent, after interrupting the old one. Moreover, this method fails in case that between the two identical notes there appears a different one, but still the old note is not yet over when the new, identical one, is generated (but this is my fault, i spoke about repeated notes, my request was written in a misleading way). @tim: actually, i want the generator to be polyphonic, except for the repetition of the same note, since this is what happens to a human player (and my aim is to emulate a human-like behaviour). I finally realized that my needs can't avoid a "time based" approach, i mean that i can't simply consider previous note, i should keep control on which notes are active when a new one is generated, and this means a sort of "semaphore" approach in which there are different ways, each of them becoming busy when a note gets through it, and which is set free after the note has been terminated. Each new note will chose the first free "road", except for the case in which a note with the same pitch is already keeping another road busy. If this is the case, the new note pushes the old one from that road and takes its place. This method leads to a main limitation, that's a number of voices limitation. In fact, if we have - for instance - 4 roads, and they happen to be all busy in a particular moment, and in that particular moment a new note is generated, this note has no road available and it's discarded. But with few considerations about the interval of generation for new notes and their possible durations we can avoid this issue. And above all, a human player has no more than 10 fingers, so keeping the number of voices limited is a even better implementation of the emulation. :) Ok, too much words, so here it is my patch. It can handle 4 voices and for now the note duration is fixed (the "3000" pipes creation argument), but it seems to work. To set a random duration (and - why not - a random velocity) i think i will have to put some [pack] and [unpack] somewhere. And yes, it's not a very elegant solution :) (instead, tim's solution is much simpler and elegant, and i will surely use in case i need monophonic melody). Thanks to all again, without your suggestions i would have never been able to go on :D athos ----Messaggio originale---- Da: athos.bacchiocchi(a)tin.it Data: 9-nov-2009 4.54 A: <pd-list(a)iem.at> Ogg: [PD] emulating the behaviour of a midi keyboard: trouble with repeated notes hi, i'm working on a little project in which some notes with random pitches and duration appear at random time intervals. Each note is packed in a "midi" format (pitch and velocity), with a note-off event (pitch and zero velocity) sent after the note duration interval. it can happen that a new note is generated before the previous one has been stopped.That's not a trouble, since i can handle it with [poly], eventually set to 1 voice and with voice stealing to force a "monophonic" melody. The problem appears if the new note coming has the same pitch than the previous one. This is impossible for a "real" midi keyboard, in fact a key can be played again only after it has been released. This leads to an undesired behaviour of [poly]: if there are more than 1 voice, i have the sum of different voices playing the same note, with an undesiderd increase of the volume. Even worse, when the voice is only one, the note-off message of the previous note stops the new note before its assigned time duration! I tried to set up a strategy to avoid this, but with no results. Any idea? thanks, athos

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breakpoints table
by Derek Holzer 10 Nov '09

10 Nov '09

Just curious if anyone else has tried this before I have a go: A table in which I can make an arbitrary number of breakpoints, for both the top and bottom part of the range. See attached image for clarity. The idea is that I can use the top set of breakpoints as the upper limit of a random range, and the bottom set as the lower limit. best! Derek -- ::: derek holzer ::: http://blog.myspace.com/macumbista ::: http://www.vimeo.com/macumbista ::: ---Oblique Strategy # 85: "Humanize something free of error"

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more details on pd-0.43-devel-win
by João Pais 10 Nov '09

10 Nov '09

Hi, I downloaded on the 8th the newest version. Small report: - find and find string (without matching whole word) work well - window redrawing (or whatever that makes the sliders appear/disappear) is better, but still there. now it happens only if a) the window had sliders showing and b) the pointer goes through a gui and changes from left-sided to right-sided. Hovering over data structures doesn't do any harm, as before. - is it possible for the console not to leave spaces between printed lines? it's harder to read, and after printing a couple of messages the console is full (making it hard to follow the development of a parameter or something). - [initbang] isn't there? I can't run nqpoly6. - media menu: is it more efficient to have the submenu preferences? since audio/midi menus are sometimes quite used for configuring, it takes longer to get to them. -- Friedenstr. 58 10249 Berlin (Deutschland) Tel +49 30 42020091 | Mob +49 162 6843570 Studio +49 30 69509190 jmmmpais(a)googlemail.com | skype: jmmmpjmmmp

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working version of nqpoly6?
by João Pais 10 Nov '09

10 Nov '09

Hi, I was trying out nqpoly6, and it doesn't work. Some messages must be out of place, because not all the connections are made in the right places: nqpwrap6.pd 3 2 7 0 (canvas->message) connection failed nqpwrap6.pd 3 2 7 0 (canvas->message) connection failed nqpwrap6.pd 3 2 7 0 (canvas->message) connection failed Or: how many inlets/outlets should the original patches have? JoÃ£o Pais -- Friedenstr. 58 10249 Berlin (Deutschland) Tel +49 30 42020091 | Mob +49 162 6843570 Studio +49 30 69509190 jmmmpais(a)googlemail.com | skype: jmmmpjmmmp

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Re: [PD] compiling externals on snow leopard
by Hans-Christoph Steiner 10 Nov '09

10 Nov '09

I'm working getting an Apple AudioUnit sound API support into pd-core right now. This will support the iPhone, but should also work on Mac OS X. With this, it should be possible to get working audio on Mac OS X without portaudio. AFAIK, Fink does support 64-bit now, so as long as the libs support it, then Fink should work. I'd say it would be worthwhile building Pd- extended 64-bit without the Fink/Macports dependencies, since most included externals don't need any other libs. .hc On Nov 9, 2009, at 10:49 AM, Rich E wrote: > Ah, that did the trick. Thanks. > > On Mon, Nov 9, 2009 at 3:54 AM, Hans-Christoph Steiner > <hans(a)at.or.at> wrote: > > You need to set the LDFLAGS to -arch i386 also. Or even better, try > doing a 64-bit Snow Leopard build of Pd-extended. > > > I'd love to try that, but I'm still working to get a 64-bit Snow > Leopard build of Pd-vanilla. Portaudio won't let me do it yet. > Macports is limited as far as I can see, so I'm having to compile > each piece from source. > > > cheers, > Rich > > .hc > > > On Nov 8, 2009, at 6:58 PM, Rich E wrote: > > I've been trying to get my externals to compile in to use with Pd- > extended... in OS X Snow Leopard. So far it hasn't been easy because > Pd-extended is i386 and my externals are compiling as x86_64. > > All I can find on this is to force the build to i386 with the gcc > flag '-arch i386', but the linker won't allow it: > > ld: warning: in incr.o, file is not of required architecture > > and then, I again have the 64 bit version: > $ file incr.pd_darwin > incr.pd_darwin: Mach-O 64-bit bundle x86_64 > > Anyone know how to get these guys to work with Pd-extended? > > Rich > _______________________________________________ > Pd-list(a)iem.at mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list > > > ---------------------------------------------------------------------------- > > I hate it when they say, "He gave his life for his country." Nobody > gives their life for anything. We steal the lives of these kids. - > Admiral Gene LeRocque > > ---------------------------------------------------------------------------- "Making boring techno music is really easy with modern tools," he says, "but with live coding, boring techno is much harder." - Chris McCormick

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tab-abs
by Matt Barber 09 Nov '09

09 Nov '09

Hello, I think this has been proposed before, so maybe I've missed it. Is there a library of abstractions for operations on tables akin to list-abs? If not, I'd like to consider how such a library might be organized A lot of the list-abs abstractions could be translated and used for tables. I could imagine for instance abstractions that would fill tables with various kinds of windows, and some that would implement such windows in a named table within the abstraction itself. Also, there might be abstractions that would perform the operations in-place, and some that would leave the source table intact and copy the results into another table. Etc. Has this been developed and/or discussed already? I would have a few to contribute. Matt

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send the numbers from 3 atoms to a message object
by alan brooker 09 Nov '09

09 Nov '09

Hi list Is there a way I can send the number result from 3 atoms to a message object and then have the results printed in the console like so : 1 2 3 - instead of 1 2 3 (I dont wish to add togther either) I would wish to send to a color gem object after like [pix_offest] etc. Thanks for the tip! Al

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emulating the behaviour of a midi keyboard: trouble with repeated notes
by Athos Bacchiocchi 09 Nov '09

09 Nov '09

hi, i'm working on a little project in which some notes with random pitches and duration appear at random time intervals. Each note is packed in a "midi" format (pitch and velocity), with a note-off event (pitch and zero velocity) sent after the note duration interval. it can happen that a new note is generated before the previous one has been stopped.That's not a trouble, since i can handle it with [poly], eventually set to 1 voice and with voice stealing to force a "monophonic" melody. The problem appears if the new note coming has the same pitch than the previous one. This is impossible for a "real" midi keyboard, in fact a key can be played again only after it has been released. This leads to an undesired behaviour of [poly]: if there are more than 1 voice, i have the sum of different voices playing the same note, with an undesiderd increase of the volume. Even worse, when the voice is only one, the note-off message of the previous note stops the new note before its assigned time duration! I tried to set up a strategy to avoid this, but with no results. Any idea? thanks, athos

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hosting
by mbutubuntu 09 Nov '09

09 Nov '09

Hello folks, I'm Fabio Buda and I recently started to work with hosting; I support OpenSource and FreeSoftware and I'm offering free hosting+DB services to opensource projects or communities, are puredata community interested in it? Best Regards, Fabio Buda +39 338 9423302 http://www.netd.it

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Pd-list November 2009