Pd-list July 2001

pd-list@lists.iem.at

59 participants
80 discussions

nth
by Michael Edwards 30 Jul '01

30 Jul '01

Hello list, Does anyone know of a PD equivalent or work-around for the nth object in MAX? I want to suck out random elements of a list so the $1 kind of syntax doesn't help me here. Or perhaps I haven't understood something??? Michael ________________________________________________________________________ Michael Edwards Tel: Office: +43 (0)662 6198-5125 Universitaet Mozarteum Home: +43 (0)662 844462 Fuerbergstrasse 18-20 Mobile: +43 (0)699 11 686 441 A-5020 Salzburg Email: mailto:m@michael-edwards.org Austria Web: http://www.michael-edwards.org ________________________________________________________________________

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Pd the meaning of log in Pd
by cormacmccann 30 Jul '01

30 Jul '01

to whom it concerns, I'm writing a program in Pd to calculate the points of the Mandelbrot set i need to use logarithms in my formulae but the logarithmic function in Pd seems to stand for ln-the natural logarithm (log to the base e) and not the normal "calculator's version" of log. Am i missing some object to overcome this or will i have to convert it using exponentials and other tricks. Is there no other way of finding say the 30th root of a number apart from using logs or using the sqrt function 30 times!!! any comments would be appreciated. cormacmccann

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Re: [PD] VST Plugins in PD
by jams＠cs.tut.fi 30 Jul '01

30 Jul '01

"nullpointer" <nullpointer(a)odessadesign.co.uk> writes: > Hi All, > > Does anyone know of a lib or method of using VST plugins within the pd > environment. > I know a lib exists for MAX/msp but i wondered if anyone had got one that > works with pd? Hello, see http://iem.kug.ac.at/~jams/ for the plugin~ object with source; VST 1 only, no graphics. Do you know more about the Max/msp VST library? -- -Jarno

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Re: [PD] Newbie Alert - audio processing
by Linium 29 Jul '01

29 Jul '01

Le Sat, 28 Jul 2001, Ben Sommer a écrit : > Hi, I've been messing with PD a few months, and am getting the hang of it > finally. Seems to me that, like people say, it is a programming language - > but a pretty primitive one, i.e. there aren't many pre-fab objects and nifty > tools that I can just plug in and use. I gotta do most operations the long Well that's right, I remember the old days (i am almost 29 ;) when there were not many softwares to run for our computers. It was natural then to program with the native BASIC. ... As far I am concerned I have started a polyphonic synthesizer project with different synthesis engine. There are layers and fx like in a top range hardware synthesizer but right now the project is waiting I resolve the problem I have with VNC (virtual network computer), i cannot get it to send the "tilde" charctere symbol from my NT machine keyboards to the linux box running PD ! :( On the other hand despite beeing not that much complexe, i cannot get more than 4/8 voices only with a 400mhz computer which is fairly low compared to what I can get from "Reality" (a software synth which allow more than 20 voices on an old PPro200mhz). > I've worked up a sampler that I know how to use (unlike the ones in the help > files, which I can't figure out yet). I can loop it, use the metro to do > some things, etc. BUT HOW do I insert some processing between the table-read > and the final output. I try just running it through a bp~ or a vcf~ or > whatever and nothing much happens. What is the LOGIC people use to process What do you mean by nothing much happens ? Did you raise enough the resonnance ? Look at the console, may be you put a signal into a control inlet preventing your patch to work correctly ? BTW, in the /extra dir there is "rev1" , it is a reverb that you can use for any purpose. Just send your signal into it and adjust the delay time. > these signals and do stuff with 'em? I can figure out how to alter a > synthesized sound, using the pre-made sythesizers, but I'm at a loss for > doing something similar with an audio sample. If anyone would care to share > an actual patch, that would be great. In fact, the wikiWeb thing at the pd > site would be a nice place to put things for newbies like me to reference. You are right again. I think that such a thing WILL happen. There is "abstrus" which is a package some released some times ago, it contains a phaser, a pitch shifter, a reverb, a fft filter. That should be findable, helas I don't know where exactly. I havn't yet tried the recent gtk gui objects but it should create motivation to release some nice stand-alone synths and audio-tools. > Someday I hope to share my stuff with others. > > THANK YOU THANK YOU > > -Ben Sommer Linium

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avoiding quantisation on lookuptables when using sine lfo
by nullpointer 29 Jul '01

29 Jul '01

Hi All, I was wondering how people are dealing with avoiding quantisation on sine(or any) LUTs at very low frequencies (typically under 1hz). Is it better to switch to an algo or make 2 tables or can you interpolate and smooth the curves? I mean you can get a nice effect with the stepping but its obviously not ideal. /0 p.s. sorry 4 cross post http://www.nullpointer.co.uk http://www.dividebyzero.org ________________________________________________________ C:\AUTOEXEC.BAT C:\REM [Header] C:\> C:\>PATH=C:\PERL\BIN;C:\WINDOWS\COMMAND;\C:jdk1.2.2\bin ________________________________________________________ (all suffixes enabled) -----Original Message----- From: Miller Puckette <mpuckett(a)man104-1.ucsd.edu> To: Norbert Math <math(a)iem.kug.ac.at> Cc: pd-list(a)iem.kug.ac.at <pd-list(a)iem.kug.ac.at> Date: 27 July 2001 22:07 Subject: Re: [PD] unique names for externals >This is going to be a never-ending problem...! suppose someone uses >lib 1 and lib 2, and has a patch using "wack" from lib 2, and then the >lib 1 author introduces a "wack" object. The only way I can think of to >protect against this problem is to somehow declare to Pd that, in the >context of a given patch, "wack" should be taken from lib 2. Hmm, then >someone merges lib2 and lib 3, so the declaration then has to change... >I have no idea how to deal with this in general.. > >cheers >MIller > >On Thu, Jul 19, 2001 at 05:51:50PM +0200, Norbert Math wrote: >> >> hello hackers, >> >> shall we introduce a mechanism that guarantees unique object >> names across the published pd libraries? the problem: >> for example, both zexy and gem have an external >> called "abs~". i guess you cannot tell which one gets loaded >> after you had loaded both libraries. >> >> at the pure database, http://iem.kug.ac.at/pdb/ >> i made a list of all existing externals and pd objects - you >> can look there when making an external if its name is free. >> (and, while you are there, please check the entries of >> your objects - there is a good chance that some are >> outdated or even missing) >> >> would it be good to have a kind of registration mechanism? >> eg. a possibility to registrate names (or fractions >> of names) on the database? >> >> norbert >> >> >> >> >> >> >> > >

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mac
by florian 28 Jul '01

28 Jul '01

especially, wouldnt it be possible to port it to mac os x? what is the most problematic part to port? the 'base part' or the 'gui part'? as far as the 'gui part' goes, what ever happened to the gtk gui? >Well well, that raises the following question: >Would it be too difficult to port pd to the MacOS system? > >Using portaudio there would at least be a common audio layer for different >kinds of platforms.... --

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Yet another new version of GrIPD
by Joseph A. Sarlo 28 Jul '01

28 Jul '01

New in v0.0.4: Fixed problem with using "-realtime" command line argument in Linux: -GrIPD now runs with SCHED_OTHER policy (and consequently priority 0) when opened with "open" message. PD setuid privileges are droped as well. Fixed issue with controls changing background color when setting GUI background color in Windows Fixed textbox control send issue: -Multi messages (seperated by spaces) used to be cast to an "anything", which caused a problem if the first element was a number. They are now cast to a list. Added Mouse Area control for capturing mouse position Pick it up at: http://mambo.peabody.jhu.edu/~jsarlo/gripd/ -- ______________________________ | | Joseph A. Sarlo | | jsarlo(a)mambo.peabody.jhu.edu |______________________________

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unique names for externals
by Norbert Math 28 Jul '01

28 Jul '01

hello hackers, shall we introduce a mechanism that guarantees unique object names across the published pd libraries? the problem: for example, both zexy and gem have an external called "abs~". i guess you cannot tell which one gets loaded after you had loaded both libraries. at the pure database, http://iem.kug.ac.at/pdb/ i made a list of all existing externals and pd objects - you can look there when making an external if its name is free. (and, while you are there, please check the entries of your objects - there is a good chance that some are outdated or even missing) would it be good to have a kind of registration mechanism? eg. a possibility to registrate names (or fractions of names) on the database? norbert

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USB MIDI
by Michal Seta 28 Jul '01

28 Jul '01

Hello. Does anyone know if USB midi interface will work with linux? If so, which one would be the best choice? Thanks. ./MiS

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VST Plugins in PD
by nullpointer 28 Jul '01

28 Jul '01

Hi All, Does anyone know of a lib or method of using VST plugins within the pd environment. I know a lib exists for MAX/msp but i wondered if anyone had got one that works with pd? thanks http://www.nullpointer.co.uk http://www.dividebyzero.org ________________________________________________________ C:\AUTOEXEC.BAT C:\REM [Header] C:\> C:\>PATH=C:\PERL\BIN;C:\WINDOWS\COMMAND;\C:jdk1.2.2\bin ________________________________________________________ (all suffixes enabled) -----Original Message----- From: Miller Puckette <mpuckett(a)man104-1.ucsd.edu> To: Karl MacMillan <karlmac(a)peabody.jhu.edu> Cc: Christian Klippel <c_klippel(a)gmx.net>; msp(a)ucsd.edu <msp(a)ucsd.edu>; pd-list(a)iem.kug.ac.at <pd-list(a)iem.kug.ac.at> Date: 27 July 2001 17:48 Subject: Re: [PD] mac ?explain? >I think, however, that requiring Pd users to install XonX and then TK on >top of it is a bit too much, which is why I've been holding out for a >native osX version of TK to use instead. > >cheers >Miller > >On Thu, Jul 26, 2001 at 11:46:39PM -0400, Karl MacMillan wrote: >> XonX is now part of the main XFree86 distribution (www.xfree86.org). What >> is there is full screen (i.e. it completely covers the native gui, but you >> can switch back and forth easily). The 'rootless' X server (that allows >> you to display X applications along side native ones) is alpha and doesn't >> really work reliably. It should happen soon though. >> >> Karl >> >> On Fri, 27 Jul 2001, Christian Klippel wrote: >> >> > hi all, >> > >> > though im not informed about the status, i just wanted to inform you >> > that there is an XonX available for mac os x that allows execution of >> > x-windows programs under max-os, while the carbon-based gui is running. >> > if interrested, i will search out the links. >> > with this it should be possible to use a x-based application on max os x. >> > and even more, if im right informed, tk is already ported to darwin .... >> > >> > greets, >> > >> > chris >> > > >

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Pd-list July 2001