Pd-list February 2003

pd-list@lists.iem.at

127 participants
210 discussions

a peak detector ?
by Alex from Idoia 05 Feb '03

05 Feb '03

Hello, I need help with that problem: I have a audio file playing from readsf~, this audio contains silence that I need to detect. I used a threshold to do so, but it seems not to work. After many tests I realise that the signal out of readsf~ vary form -1 to 1 and outputs 0 when there is no sound or silence. Therefore it found impossible to use threshold directly after readsf~. I assume this is something I do wrong because I do not understand that very much. I tried then to use env~ that triggers a bang when above 0, I guess this solution is not very precise and I wonder how much delay there is between the real silence and the time env~ sends a 0. The solution to my problem would be a peakdetector maybe. Are there any ? Thanks

3 3

pd and tk
by Alex from Idoia 05 Feb '03

05 Feb '03

Hello, This is a newbie question about how pd works with tk on OSX: in the directory bin of pd, there is a file called pd.tk and I suppose the code inside is used when we use the menu bar in pd and for dealing with all the new windows etc... what is this language ? Actually when I open pd, the main window is somewhere in between the middle and the left of the screen, so I thought I could change its position on the screen to fit my needs. I think I found the line code : canvas .dummy -height 2p -width 9c I tried several time to add randomly some options like -xpos or xscreen but nothing worked.... Generally, tk is used for MAC no ? but what is its first purpose and how where can find info to how to modify its code ? finally what is tcl then ? Thanks.

2 1

graph on parent matrix mixer
by pix 04 Feb '03

04 Feb '03

here's a little graph-on-parent 8x8 matrix mixer i made (reminiscent of audiomulch, except for the slightly visually confusing absence of side-inlets). on-off with no smoothing. just a proof of concept but i thought someone might find it useful to use or build on. the scaling behaviour of graph-on-parent is completely insane, i feel like i'm putting a lot of effort into working around a feature that noone will ever use. pix.

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pd, alsa, rme hdsp
by Johannes Taelman 04 Feb '03

04 Feb '03

Hi! I found this messages in the archives: http://iem.kug.ac.at/mailinglists/pd-list/2002-December/001415.html http://iem.kug.ac.at/mailinglists/pd-list/2002-08-0/0083.html but I can't find Stefan Kersten's sndlib patch anywhere. Where can I get a copy? Or is jack a better solution? thanks, j#|@

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Pd and jack (again)
by Kjetil S. Matheussen 04 Feb '03

04 Feb '03

Sorry if I have overlooked anything. But I have browsed this mailing list and the development list, and the jack mailing list, and various home-pages. And I am confused about what patch and which version of pd to use if I want to jackify pd. I would prefer a callback based version, like the jack_0_35_0_cb branch version in the pure-data cvs. Is this one okey, or is there a newer one? And, big question, how do I download it without taking each file manually? I dont know enough about cvs. The reason for wanting a callback based patch is because I'm planning to make a general jack port external. And it wont work very good with a non-callback based patch, I think. Is there such an external allready by the way? --

10 30

Are these MAX objects available in PD?
by arm pdlist 04 Feb '03

04 Feb '03

I was reading a book full of MAX's examples that i would like to try in PD, but some examples have objects that i don't found in PD: - seq (sequencer object) - clocker - GSwitch Is any package or library that has these objects? If not, are there any equivalent objects in PD that i could use? __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com

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Re: [PD-announce] PiDiP v0.8.0 [ more ascii art ]
by delire 04 Feb '03

04 Feb '03

far out.. this is rocking my webcam [aka get-a-real-capture-device..] thanks yves [and tom for the huge changelog - esp zrot!] julian On Sun, 02 Feb 2003 23:10:57 +0100 Yves Degoyon <ydegoyon(a)free.fr> wrote: //hi, // //as i said before, the object using aalib ( pdp_aa ) was not //very satisfying, so i did another ASCII art object : pdp_ascii //which is able of rendering original colors and //whose main improvement is to output the image in a PDP packet //so you can chain it with other PDP processing objects. // //enjoy!! // //sevy/yves // // // //_______________________________________________ //PD-announce mailing list //PD-announce(a)iem.kug.ac.at //http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-announce // //

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Re: [PD-announce] [ot] radio stream
by Alex from Idoia 04 Feb '03

04 Feb '03

Hi, I am working on a project of streaming too and I was wondering the bitrate and type of compression you use for your streaming radio(stereo mono ?), also, how many listeners can you support (bandwidth). Thanks a lot. On Tuesday, February 4, 2003, at 04:59 am, Chris McCormick wrote: > Hi Pd'ers! > > We're playing on the local radio station in about 12 hours time you > can tune in here: > http://www.rtrfm.com.au/live.ra > > (chrism & fenris) > 18:00 GMT 04.02.02 > Commodore 64s, pentium 100s, turntables. > > Czech it out! > > Kind Regards, > > Chrism. > _________________________________ > chris(a)mccormick.cx > http://www.mccormick.cx > http://www.sciencegirlrecords.com > > _______________________________________________ > PD-announce mailing list > PD-announce(a)iem.kug.ac.at > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-announce >

2 1

pack object
by Alex from Idoia 04 Feb '03

04 Feb '03

Hello, I wonder if I do something wrong or if this is a bug: I use pack like [pack f s s]: I use a message box containing a string like "two" and a loadbang sends that in the second inlet of pack when loading the patch. I do the same form the third argument with "words" and then I send a bang in the first inlet sometimes later. The pack in connected to a print and I am expected: 0 two words. However I keep on receiving 0 s s and when I first open the patch my terminal shows: error: inlet: no method for 'two' error: inlet: no method for 'words' any idea ?

2 1

Mac OS X MIDI input troubles
by Michael McGonagle 04 Feb '03

04 Feb '03

Hello all, Hoping that others who are running on Mac OS X, using MIDI, could tell me how to get MIDI input to PD? All the other applications that I have (even some of the source code examples I compiled) see my MIDI interface (an emagic MT4 [2 in, 4 out]), and I am able to select what ports I want to use for a particular MIDI track (or thread), both in and out. I am able to get MIDI output from PD into other programs, so that does not really seem to be an issue. It does appear to be sending all Actually, I have to do this using a "loopback", patching one of the output ports on the MT4 to one of the inputs. (Is there such a thing as an internal MIDI buss? Or can PD be set up as a Virtual Source?) Also, what is the relationship between the commandline switches (and the values passed) to how how CoreMIDI works? Is anyone successfully getting MIDI input and outout, on selectable ports? Thanks, Mike

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Pd-list February 2003