Pd-list March 2010

pd-list@lists.iem.at

152 participants
270 discussions

strange behaviour of bp~ for high center frequencies
by Matteo Sisti Sette 02 Mar '10

02 Mar '10

Hi, By playing around with bp~ I've realised that the center frequency can't be raised above 1/4 of the Nyquist frequency (unless it is some "magic number" about 11000). If you raise the center frequency above that, it seems that the actual center frequency sticks to that value and the gain of the filter grows. Is there some "natural" reason for that?? thanks m. -- Matteo Sisti Sette matteosistisette(a)gmail.com http://www.matteosistisette.com

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Writing wave tables to disk
by Chris McCormick 02 Mar '10

02 Mar '10

Hi, I am using Pd to generate some wave files which will contain snippets of basic band limited wave forms to be used in a tracker program (looped). I am currently using a [delay] and [writesf~] to determine where to start and stop the recording on exact period boundaries of the wave being recorded. For example, I want a file containing a wave at some Hz to have exactly X cycles in it. This doesn't seem to be working, and I guess that's because [writesf~] and/or [delay] both want to do things on block boundaries. Anyone have suggestions for how I can write out a table to a wav file, or some other way to be an exact length in samples/milliseconds? I am using Pd vanilla. Cheers, Chris. ------------------- http://mccormick.cx

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Handling numbers read from a file
by PSPunch 02 Mar '10

02 Mar '10

Hi, I am looking for a way to load a series of floats stored in a file, then accessing the values in a non-sequential order. My patch under construction is utilizing [textfile], which I've come to realize that there is currently no method to move in reverse order. (Ultimately, all I want to do is go back one step when necessary.) As all my data are numbers, [tabread] should work fine. Although in this case, I do not know how to know the number of values in advance to resize the table prior to loading the data. Thanks in advance for any clues. -- David Shimamoto

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integer values
by volker böhm 02 Mar '10

02 Mar '10

hello, ok, pd doesn't have an integer type. what do people use, when they need to generate a sequence of integer values? i'm looking for a GUI solution with multiple sliders (e.g. like multislider in max) which are quantized to integer values. any suggestions? thanks, v

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Help Patch and FLOSS Manual Updates
by Ben Baker-Smith 02 Mar '10

02 Mar '10

Where should corrections to the help patches and FLOSS manual be sent? I would like to contribute to some of the documentation, especially where I have found errors, but cannot figure out who to contact. I've tried just posting updates to the list but the last couple times received no response. -Ben

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http client native in pd?
by Chipp Jansen 01 Mar '10

01 Mar '10

Does anybody know if there is a [httpclient] object that allows one to fetch url's from within pd? I want to grab small bits of XML feeds into my patch. I started to try to use the [netclient] object by making requests to port 80 on servers, but I'm just curious if somebody created something that runs from with in pd already? Thanks! Chipp

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wave generation questions
by meino.cramer＠gmx.de 01 Mar '10

01 Mar '10

Hi, I am playing around with examples of the FLOSS manual. Currently I am sending messages like <name of array> sinesum <parameterlist> to an array, which then is read by tabread4~ and send to an dac~. To make this setup a little more convenient I am looking for some simplifications: 1: Currently I have to enter edit mode to change the parameter list after "sinesum". Is it possible to do this in non-edit mode somehow? 2: Each time I edit the parameterlist and set the array afterwards, I have to send an "normalize 1"-message to normalize the amplitude to "1" max. Is it possible to automate this? Thank you very much in advance for any help! Best regards, mcc -- Please don't send me any Word- or Powerpoint-Attachments unless it's absolutely neccessary. - Send simply Text. See http://www.gnu.org/philosophy/no-word-attachments.html In a world without fences and walls nobody needs gates and windows.

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Re: [PD] integer values
by Jonathan Wilkes 01 Mar '10

01 Mar '10

Have you looked at ds-arrays at all? You can quantize the values and change them in one go as you describe (see attached). -Jonathan --- On Mon, 3/1/10, volker böhm <vboehm(a)gmx.ch> wrote: > From: volker böhm <vboehm(a)gmx.ch> > Subject: Re: [PD] integer values > To: pd-list(a)iem.at > Date: Monday, March 1, 2010, 7:26 PM > thanks everybody for your > suggestions. > > matteo's example is close to what i need. > thanks for this trick, i'd probably never have thought of > stacking two sliders on top of each other. > > i tried the same thing with an array (to have an arbitrary > number of sliders grouped together) - but it doesn't > work :( > > [#many] looks interesting. i haven't fully explored its > possibilities. my impression is, it's good for clicking, but > dragging to change multiple values in one go, seems not > possible (see my poor example below). > > On 01.03.2010, at 11:27, João Pais wrote: > > > can you put an example of the patch you're doing? it > might be easier to give suggestions in that way. > > it's basically what matteo has posted - a slider, with > values quantized to integer steps. > why integers if you can have floats, you might ask: > suppose you wanted to cut a sample into 8 equal slices, and > then want to specify the order in which to playback the > slices by a specific sequence. in this szenario i'm not > interested e.g. in the 2.4th slice, i want either slice > number 2 or 3. > therefore i'd like to have an interface that allows only > integer values and nothing in between. > > this is just a simple example, but maybe it shows, why such > a thing might be useful from time to time. > > ok, one slider is fine, only for making sequences it would > be great to have multiple sliders combined, to be able to > drag horizontally for easy editing of multiple values. > > so here goes my akward design of an integer multislider > thing: > > #N canvas 78 22 553 384 10; > #N canvas 0 0 450 300 (subpatch) 0; > #X array a 8 float 3; > #A 0 1 5 3 5 2 4 6 2; > #X coords 0 7 8 0 200 140 1; > #X restore 71 53 graph; > #X obj 344 207 tabread a; > #X obj 344 121 until; > #X msg 344 98 8; > #X obj 344 149 counter 0 7; > #X obj 344 229 + 0.5; > #X obj 344 253 int; > #X obj 344 278 tabwrite a; > #X obj 344 176 t f f; > #X text 41 183 0 --; > #X text 43 46 7 --; > #X obj 344 73 metro 100; > #X obj 344 50 tgl 15 0 empty empty empty 17 7 0 10 -262144 > -1 -1 1 > 1; > #X text 62 21 click and drag to edit values with mouse; > #X obj 344 20 loadbang; > #X connect 1 0 5 0; > #X connect 2 0 4 0; > #X connect 3 0 2 0; > #X connect 4 0 8 0; > #X connect 5 0 6 0; > #X connect 6 0 7 0; > #X connect 8 0 1 0; > #X connect 8 1 7 1; > #X connect 11 0 3 0; > #X connect 12 0 11 0; > #X connect 14 0 12 0; > > > > > _______________________________________________ > Pd-list(a)iem.at > mailing list > UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list >

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Re: [PD] Pd-anywhere on openmoko/debian
by Koray Tahiroglu 01 Mar '10

01 Mar '10

Hi IOhannes, It would be really nice to have a proper armel version, I will also try to build one but please let us know as well if anybody has a luck on that. Koray. On Feb 27, 2010, at 10:52 PM, pd-list-request(a)iem.at wrote: > Message: 10 > Date: Sat, 27 Feb 2010 21:52:17 +0100 > From: IOhannes m zm?lnig <zmoelnig(a)iem.at> > Subject: Re: [PD] Pd-anywhere on openmoko/debian > To: pd-list <pd-list(a)iem.at> > Message-ID: <4B898601.9010101(a)iem.at> > Content-Type: text/plain; charset=ISO-8859-1 > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > IOhannes m zm?lnig wrote: >> hi >> >> i tried to install the Pd-anywhere packages on my debian(armel)-running >> openmoko, but the binaries immediately fail with "illegal instruction". > > packages = pda_0.6-4_armel.deb (debian package from sf) > binaries = /usr/bin/pd and /usr/lib/pd/bin/pd-gui > > >> does anybody have a version of PDa at hand, that runs on debian/armel? > > btw, the openmoko package (.opk) used to run fine on fso (i haven't > tried to run them on my new debian installation though) > what platform is the debian/armel package supposed to run on? (my > installation is debian/armel) > > fgamdsr > IOhannes > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.10 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iEYEARECAAYFAkuJhgAACgkQkX2Xpv6ydvTLZgCgsGSxFt/SXjVOoyUlOfDuSSvY > oRwAmwdIHc9qk3ILt5Jl9vSde/F8rSbO > =jLP7 > -----END PGP SIGNATURE----- > > ------------------------------------- M.Koray Tahiroğlu Media Lab, Aalto University, School of Art and Design http://mlab.taik.fi/~korayt tel: +358 45 233 6272

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Re: [PD] Pd-list Digest, Vol 59, Issue 101
by Koray Tahiroglu 01 Mar '10

01 Mar '10

Hi, 0.42.5-3 deb had some dependence problems with libc6 version, which blocks all the tcl/tk issues to be solved. I did not have any luck with pda 0.6-armel.deb at all. On the other hand, vanilla seems like the most promising, I will try to put my hands on this whenever I will have time. It would be nice to have a proper running version in Maemo. Koray On Feb 27, 2010, at 1:00 PM, pd-list-request(a)iem.at wrote: > Message: 3 > Date: Fri, 26 Feb 2010 01:39:09 -0500 > From: Umberto <umberto.torrez(a)gmail.com> > Subject: Re: [PD] Puredata on maemo > To: Pure data list <pd-list(a)iem.at> > Message-ID: <1267166349.4165.9.camel(a)localhost.localdomain> > Content-Type: text/plain; charset="utf-8" > > > > ? Hi Hans, Koray? i installed pda 0.6-4 armel.deb on Meaemo 5, the application? runs but i cant get any sound > i have 2 audio drivers OSS and ESD when i try OSS i get this in the shell OSS: > ? SNDCTL_DSP_CHANNELS failed /dev/dps > > ? and with ESD i get this : > ? error at esd open:0 > > ? when the input and output channel on esd to 1 i dont get any error message , but > ? pd is still not making any sound. > > ? Any idea? > > ? Koray did you had any luck ? > > Ive also tried pureda 0.42.5-3 without any luck , it doesnt compile > > >> ----- Original message ----- >>> >>> You should be able to run the armel version from Debian >>> >>> http://packages.debian.org/sid/puredata >>> >>> .hc >>> >>> On Feb 18, 2010, at 4:44 AM, Koray Tahiro?lu wrote:> > >>>> >>>> Hei Hans, Umberto, >>>> >>>> >>>> At the moment I am trying to install vanilla on Maemo 5, I have some? >>>> problems with other dependencies, but lets see if it will be? >>>> possible to install Pd vanilla directly to Maemo, I will try your? >>>> current release as well. >>>> >>>> Koray >>>> >>>> >>>> On Feb 18, 2010, at 11:05 AM, pd-list-request(a)iem.at wrote: >>>> >>>>> Message: 5 >>>>> Date: Thu, 18 Feb 2010 02:33:43 -0500 >>>>> From: Hans-Christoph Steiner <hans(a)at.or.at> >>>>> Subject: Re: [PD] Puredata on maemo >>>>> To: Umberto <umberto.torrez(a)gmail.com> >>>>> Cc: Pd list <pd-list(a)iem.at> >>>>> Message-ID: <FEA18C1C-A12A-468B-BA63-C06EBB27F2D8(a)at.or.at> >>>>> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes >>>>> >>>>> >>>>> Hey Umberto, >>>>> >>>>> welcome!? You can run Pd on Maemo 4.1 so it should work on Maemo 5. >>>>> We're working on updating the mobile version of Pd, so perhaps a? >>>>> Maemo >>>>> 5 build will come out of that.? Here's the current release: >>>>> >>>>> http://pd-anywhere.sourceforge.net/release/maemo/ >>>>> >>>>> .hc >>>>> >>>>> On Feb 15, 2010, at 3:07 AM, Umberto wrote: >>>>> >>>>>> Hi, im new in the list , i would like to know if its possible to run >>>>>> pd linux mobile devices like maemo 5 or android ,do anybody have >>>>>> tried that , if not how difficult would it be? >>>>>> >>>>>> _______________________________________________ >>>>>> Pd-list(a)iem.at mailing list >>>>>> UNSUBSCRIBE and account-management -> >>>>>> http://lists.puredata.info/listinfo/pd-list >>>> >>>> >>>> >>>> ------------------------------------- >>>> M.Koray Tahiro?lu >>>> Media Lab, >>>> Aalto University, >>>> School of Art and Design >>>> http://mlab.taik.fi/~korayt >>>> tel: +358 45 233 6272 >>>> >>> ------------------------------------- M.Koray Tahiroglu Media Lab, Aalto University, School of Art and Design http://mlab.taik.fi/~korayt tel: +358 45 233 6272

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Pd-list March 2010