Pd-list April 2004

pd-list@lists.iem.at

143 participants
299 discussions

amp simulator
by samuel goldszmidt 20 Apr '04

20 Apr '04

Hi all, I'm looking for a patch which could simulate a guitar amp : i don't want to use a black box, i would like to understand the simulation of guitar amps in terms of pd objects ( only for windows :-( .... ) . __wes

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compositions/patches with "data structures"
by Hans-Christoph Steiner 20 Apr '04

20 Apr '04

Does anyone have any patches or compositions that they have done with Pd's "data structures" that they would be willing to share? I am very interested to see what people have done with the graphical data structures. It seems to be a much under-utilized feature of Pd. .hc ________________________________________________________________________ ____ "[W]e have invented the technology to eliminate scarcity, but we are deliberately throwing it away to benefit those who profit from scarcity." -John Gilmore

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RE: [PD] build an array with pd-msg
by Matthew Allen 19 Apr '04

19 Apr '04

wow thats great! thanks a bunch Marius. m. -----Original Message----- From: marius schebella [mailto:marius.schebella@chello.at] Sent: Sunday, April 18, 2004 6:44 AM To: nexyufuli evo; Matthew Allen Cc: pd-list(a)iem.at Subject: Re: [PD] build an array with pd-msg hi, sorry, for the late answer, i hope it is still helpful... Try it like that: I) first create a graph with the following arguments: graph <name> xfrom yto xto yfrom xtopleft ytopleft xbottomright ybottomright [;pd-name_of_your_patch.pd graph graph1 0 -1 99 1 50 50 250 200( II) then for some reason you have to pop that graph... [;pd-graph1 pop( and III) send a message to that graph to create an array in it [; pd-graph1 array t2 100 float 0( ...without any warranties marius. ----- Original Message ----- From: "nexyufuli evo" <noskule(a)gmx.net> To: "Matthew Allen" <matthew(a)lith.com> Cc: <pd-list(a)iem.at> Sent: Thursday, April 15, 2004 12:04 AM Subject: Re: [PD] build an array with pd-msg > Matthew Allen wrote: > > >use the [table name] command instead > > > >m. > > > > > > > .. jep, i now this one, but its for gui, and i have to specify the > y-range and give it a size . .thats not possible with [table]. do you > think there is a possability to create it by pd-msg . .? > > grz nos > > > > >-----Original Message----- > >From: pd-list-admin(a)iem.at [mailto:pd-list-admin@iem.at]On Behalf Of > >nexyufuli evo > >Sent: Wednesday, April 14, 2004 1:49 PM > >To: pd-list(a)iem.at > >Subject: [PD] build an array with pd-msg > > > > > >hi list > >does anyone know how to build a array with pd-msg . . .. > >the only thing im getting out is a graph . . > > > >array in the examples gives an error: > > > >error: message stack overflow > >error: Bad arguments for message 'ar > > > > > >thanx nos > > > >_______________________________________________ > >PD-list mailing list > >PD-list(a)iem.at > >http://iem.at/cgi-bin/mailman/listinfo/pd-list > > > > > >_________________________________________________ > >Scanned on 14 Apr 2004 20:52:01 > >Scanning by http://erado.com > > > > > >_________________________________________________ > >Scanned on 14 Apr 2004 20:53:51 > >Scanning by http://erado.com > > > >_______________________________________________ > >PD-list mailing list > >PD-list(a)iem.at > >http://iem.at/cgi-bin/mailman/listinfo/pd-list > > > > > > > > > > > _______________________________________________ > PD-list mailing list > PD-list(a)iem.at > http://iem.at/cgi-bin/mailman/listinfo/pd-list > _________________________________________________ Scanned on 18 Apr 2004 13:44:35 Scanning by http://erado.com _________________________________________________ Scanned on 19 Apr 2004 19:07:24 Scanning by http://erado.com

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Emulating radio interference?
by Martin Dupras 19 Apr '04

19 Apr '04

For a project I'm working on, I need to create the illusion of a radio that's not quite tuned (in fact what I'm really after is the kind of sound you get on not-quite-tuned shortwave radio.) Does anyone have an idea on a possible solution? Many thanks! - martin

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defining "list" and "anything"
by Hans-Christoph Steiner 19 Apr '04

19 Apr '04

So working with the [tosymbol] and [fromsymbol] provided another good example of the lists vs. anything confusion. So it seems that this is unlikely to change, so we need to find ways of documenting it well so that it is less confusing. Currently, there is a serious problem with terminology. The word "list" is often used logically rather than how things are actually working. For example, a list of atoms starting with a symbol is not a "list" but an "anything", unless that list starts with the selector "list". So I think that we need to define "list" in particular, and "anything" while we are at it, since its related. Consistent use of the word "list" would make things much easier to follow. So here's a first attempt: "list": a "list" is a group of atoms that either starts with the selector "list" or a "float". "anything": an "anything" is a group of atoms that either starts with the selector "anything" or a "symbol" these are different kinds of lists, i.e. not "lists" (from the Pd docs): "sorted list of tilde objects" "Click the "DIO errors" button to see a list of recent errors" ""Help" for the canvas as a whole (right-clicking outside any object) gives a list of all built-in objects." "Unless they arrange otherwise by defining a "list" method, objects respond to the "list" message by distributing the arguments of the message to their inlets, except for the first argument which is passed as a "float" or "symbol" message to the object proper." "Pd objects are provided to traverse lists and arrays, It would be great to have a glossary of these words defined in the Pd sense and a style guide for how to write the Pd words in help patches. One example of something for the style guide would be to have all Pd words in quotes, for example "list", "bang", "float", etc. .hc ________________________________________________________________________ ____ Using ReBirth is like trying to play an 808 with a long stick. -David Zicarelli

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Re: [PD] Emulating radio interference?
by Martin Dupras 19 Apr '04

19 Apr '04

Johannes Taelman wrote: >Martin Dupras wrote: > > >>For a project I'm working on, I need to create the illusion of a radio >>that's not quite tuned (in fact what I'm really after is the kind of >>sound you get on not-quite-tuned shortwave radio.) >> >>Does anyone have an idea on a possible solution? >> >> > >Haven't actually tried it, but I'd try a short modulated delay line >[vd~], modulated by filtered noise or sine(s). Doesn't have any relation >with the distortions in sw radio, but it will sound quite lofi. > >good luck + regards, > j#|@ > > >This incoming email to UWE has been independently scanned for viruses and any virus detected has been removed using McAfee anti-virus software > > > Thanks Johannes, that's a good idea, I'll have a go at that. - martin

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Re: [PD] Emulating radio interference?
by Martin Dupras 19 Apr '04

19 Apr '04

>Would you like to disturb a good signal or would you simulate radio noises >tuning a broadcast? > > > I'm looking at distorting the signal in a manner reminiscent of shortwave mis-tuning distortion, rather than generating noise. Hope that makes it clearer.

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gem coordinate conversions
by marius schebella 19 Apr '04

19 Apr '04

hi, I just built a small conversion patch for pixels to gem-coords. I think this was discussed earlier on the list. if someone is interested, it can be found at http://www.parasitaere-kapazitaeten.net/Pd/pdpatches/pix2gem.pd. marius.

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Re: [PD] Wav file corruption with writesf~
by thewade 19 Apr '04

19 Apr '04

> > Can anyone tell me why my wav files are written corrupted on both my windows > > and linux machines using [writesf~]? > > Sending the message \"open -wave -bytes 4 -rate 44100 /tmp/foo.wav\" > works for me when I want 32-bit floating point. \"-bytes 2\" should write > a normal 16 bit wav file. Try using all the flags to write an explicit > header for your wav file instead of no flags and trusting that the > header will come out right. Ive tried the above, but still cant get aplay or lame to recognize files. audacity opens them fine, and can save them, but even then lame and aplay cant read them! I dont know what to do. THe only thing I can do is move them to my windows machine and open->save as the soundfiles in soundforge. That seems to repair them. Is there something I can do to see where exactly in the sound file the problem is happening? Some sort of wave file analysis tool? Are aif files loseless, just like wav files? What are my alternatives? Thanks for the help! -thewade

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installing two Pd & .deb to .tar.gz
by chun lee 19 Apr '04

19 Apr '04

hi there: just another quick questions;) 1. how can i install 2 pd on in Linux? for example, having both pd and pd-extended. 2. i have redhat fedora, and is there a way to convert the .deb file into .tar.gz? i realized that pd-extended 0.37 is only available in .deb from http://pure-data.iem.at/downloads many thanks yours CHUN

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Pd-list April 2004