Pd-list November 2001

pd-list@lists.iem.at

69 participants
122 discussions

A 'balance' object?
by Rory Walsh 15 Nov '01

15 Nov '01

Can anyone tell me if there is a 'balance' object similar to in csound available in pd? Anyone not famillar with the csound object, basically what it does is outputs the incoming siganl, amplitude-modified so that its rms power is equal to that of second signal which is passed through it. So if one of the signals has lost any of its power it can be restored and the power will br matched to the stronger of the two signal, if ye get me? Anyway just wondering? regards, ROry. __________________________________________________ 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] canvas offset bug
by Juha Vehviläinen 15 Nov '01

15 Nov '01

how about another bug: if an abstraction is already open, and you click the object to make it the frontmost window, keyboard hangs (ctrl-e,ctrl-w etc stops working). this is actually more annoying than the other bug. juha ----- Original Message ----- From: "pix" <pix(a)test.at> To: "Juha Vehvil" <jusu(a)iki.fi> Sent: Thursday, November 15, 2001 3:25 PM Subject: Re: [PD] canvas offset bug > you can "select all" and drag the objects to within the initally viewable > area to fix an existing patch also. > [...]

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porting MAX objects to PD/ csound~
by vanDongen/Gilcher 15 Nov '01

15 Nov '01

Hi all, Matt Ingalls is writing a MAX/MSP csound~ object. hi, >i am pleased to announce a beta version of csound~, the max/msp external >object: >http://music.columbia.edu/~matt snip >features: >+ N-channel realtime audio i/o >+ "k-rate" float value i/o >+ realtime score[line] events >+ internal 'direct to object' MIDI support >+ allows simultaneous csound~ objects >enjoy, >ma++ How difficult would it be to port this to pd? I think the csound~ object is supposed to be open-sourced in some form or another. regards Gerard

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qlist
by sandra pauletto 14 Nov '01

14 Nov '01

Hi, i am just starting using Pd so sorry if my questions will be not that interesting, but at least they shouldn't be that difficult! Anyway, i'm trying to do some patches using the 'qlist'. I was wondering if there is a way to use 'bang' for starting different sections of a 'qlist' when need it. what i mean is: for example, a qlist is made of 3 sections say A B C, every section lasts a certain time. The first bang triggers A, the second B, etc. Or i will have to make different qlists for every section? Thanks sandra __________________________________________________ Do You Yahoo!? Find a job, post your resume. http://careers.yahoo.com

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pd-patch for (better) multidevice support
by IOhannes m zmoelnig 13 Nov '01

13 Nov '01

having had problems with multiple devices (in my case: a "rme-hammerfall" + a "rme-hammerfall light") i have patched the pd-sources to make it work you can download a patch for pd-0.34.3 (vanilla) from ftp://iem.kug.ac.at/pd/misc/pd-updown-multidev-patch-0.34.3.tgz linux/OSS only all multi-card users please test and bug-report ! mfg.casd.sadr IOhannes a README is attached pd-0.34.3 with upsampling/downsampling support + enhanced multi-device support INSTALL-instructions: ===================== get a new vanilla pd-0.34.2-source untar it to <mypath>/pd-0.34.2 run "patch -p1 -d <mypath>/pd-0.34.2 < pd-0.34-3-updown-multidev.diff" changedir to <mypath>/pd-0.34.2/src compile it with "make" install it with "make install" enjoy upsampling/downsampling: ======================== have a look at the doc/3.audio.examples/74.up.downsampling.pd help-patch to see how it works multi-device support: ===================== note: this is linux/OSS only !!! (no Windof, no ALSA, no RME with old (2.2.x) drivers) to get a great configuration, you should use soundcards that are somehow synched ! <blabla> pd used to have multi-device support, but did strange things which i didn't expect. for example, i am using 2 hammerfall-cards (1 real hammerfall (26 i/o) + 1 hammerfall light (18 i/o) starting pd with "-outchannels 40" allocated 8 channels on the 1st card (the "real" hammerfall) and 26 channels on the 2nd card (the hammerfall light, which really has only 18 channels); the rest was abandoned. thus i could only use 26 channels - no need for two cards, since this could be acquired with one single hammerfall too. </blabla> with this patch, pd does what i want: have access to multiple soundcards in various configurations added features = commandline-options: ------------------------------------- "-soundindev ..." & "-soundoutdev ..." lets you specify a list of dsp-devices to be used by pd; devices are separated by commas; numbering starts at 0 (for the first card) ! pe: "-soundindev 1" uses the 2nd installed card as recording device pe: "-soundoutdev 2,0" uses the 3rd and the 1st installed cards as playback devices "-inchannels ..." & "-outchannels ..." you can specify the number of channels for each device pe: "-inchannels 2" have 2 i-channels (no real change) pe: "-outchannels 2,4,8" use 2 channels on the 1st (specified) device, 4 o-channels on the 2nd (specified) device and 8 o-channels on the 3rd (specified) device examples: --------- lets assume, you have a 1st sound-card providing 8 channels, a 2nd card with 16 channels and a last 3rd card with 2 channels i only mention flags for either in or out devices (but it works for both types) i assume that there are no other redefined flags (-in/outchannels, -soundin/outdev) used ! "" (no arguments) : use 2 i/o-channels on the first installed card (this is default) "-inchannels 26" : use 8 ichannels on the 1st card (adc~ 1..8), 16 ichannels on the 2nd card (adc~ 9..24) and 2 ichannels on the 3rd card (adc~ 25..26): so the channels are spread over the hw-devices "-inchannels 8,2" : use 8 channels on the 1st card (adc~ 1..8) and 2 channels on the 2nd card "-outchannels 4,24" : use 4 channels on the 1st card (dac~ 1..4) and up to 24 channels on the 2nd card (since the 2nd card only provides 16 channels, you will only have another 16 outputs (dac~ 5..20), summing up to 20 outputs) "-soundindev 2" : use 2 (default) ichannels on the 3rd card as adc~ 1..2 "-soundindev 0,1" : use 2 (default) ichannels on the 1st card (adc~ 1..2) and 2 (default) ichannels on the 2nd card (adc~ 3..4) "-soundoutdev 1,0 -outchannels 8,4": use 8 ochannels on the 2nd card (dac~1..8) and 4 ochannels on the first card (dac~9..12) "-soundindev 0,1 -outchannels 32": use 16 channels on the 1st card (dac~1..16) and 8 channels on the 2nd card (dac~17..24); the remaining channels are lost. so the channels are spread over the specified hw-devices "-soundindev 1 -outchannels 16,16": use 16 channels on the 2nd device and 2 (remaining) channels on the 3rd device "-soundindev 1 -inchannels 22": use 8 channels on the 1st device, the rest is lost

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new pd-0.34-3 features
by Thomas Musil 10 Nov '01

10 Nov '01

hi list The $-bug of the new guis is repaired. You can name the send- and receive-labels of the gui-objects with $0, $1, $2 ... or $0-blabla, $1-blabla, $2-blabla ... . New feature: You can name send- and receive-label with the same symbol (or number, or $-symbol) and there will be no stack-overflow, all objects with the same double-name share the same value. New feature: if you open an abstraction with gui-objects in a patch, which has $-send/receive-names, you can modify and save it, and the $-name-behavior will be preserved. That means, gui-objects (Bang .. Canvas) have the same behavior like all pd-objects with $-arguments. New feature: If an gui-object has a send-name, its graphical outlet disappears, its outlet-behavior is the same; if an gui-object has a receive-name, its graphical inlet disappears, its inlet-behavior is the same. Thomas Musil

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local send/receive
by aal hsoe 10 Nov '01

10 Nov '01

hi, i`m stuck a bit by trying to do something like a "3d video" patch, means each pixels=cube and get z-translated by it`s colorvalue, with danks`s pix_data (but in buffer 0 mode). therefor i need a lot of cubes (res320*240) and a lot of abstractions... so, my problem at the time is, that i need something like a local send/receive inside an abstraction. i give the send an inlet & duplicate the abstraction ...10 times. each abstraction have the same send/receives but should send stand-alone values... is this clear to understand? possible? senseless? stupid? a other idea was to make a variable send/receives....also without success. ahh...maybe the first question should be, is gem able to render 76800 cubes??? any suggestions thanks rainer _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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performance patches, musical interests [OT?]
by Josh Whiting 09 Nov '01

09 Nov '01

hi all I was wondering if either there are any websites, ftps, or if anyone on the list has any patches that function as performance environments they'd be willing to share. I am looking for anything that is along the lines of the contemporary "laptop performer," many of whom often using Max/msp. I am developing my own patches but they are in their beginning phases, though i have had some very interesting results, and i'd be happy to share them though they aren't so impressive. I am also interested in the musical/aesthetic interests of the people involved on this list and using PD in general. What kind of music are you making? How does PD or other software fit into that process? Personally, what inspired me to get into PD was listening to composers like Nobukazu Takemura, who makes really beautiful compositions in very creative ways with digital media like max (or PD in our case...), and I am *trying* to use PD as a total performance environment, though I imagine I'll end up using other applications simultaneously i.e. Logic audio, CSound, Reaktor (if you haven't heard of Reaktor, check it out at nativeinstruments.com, its a lot like PD and Max but more synthesizer-based, and it is commercial and there is no linux version). This may begin an OT thread but its really interesting, imho... peace josh w. jsw98(a)hampshire.edu

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new release notes
by Krzysztof Czaja 09 Nov '01

09 Nov '01

hi, I have begun to digest the .34-3 release, and found two interesting notes under `features' heading in src/notes: 1. ``MIDI file reading/writing?'' -- I have a functional version, which performs rather well in my current project, although it needs more thought and more testing to be ready for a release. If pressed with a deadline, I may do it soon. But the main obstacle, really, is qlist itself. For the sake of my current needs, I have cloned qlist into an external with more seq-like features, but it is very project-oriented... 2. ``does Wav really not allow float?'' -- it does allow. Indeed, 32-bit float .wav is Samplitude's native format, which my students use very often (and for this reason I have been forced to add float .wavs reading to my sfplay~ clone). Krzysztof Btw. opening html docs from Pure documentation menu works well with mozilla, galeon, nautilus, konqueror, opera and netscape 4.78 (the fastest in my system), but one needs to hard-edit pd.tk file...

1 0

Patch load path
by Ludde 09 Nov '01

09 Nov '01

Dear list members, I think there is a problem with the load path of patches in PD. I have a situation where there is patches in a library and in the startup directory. Now I like to override some patch in the library by adding a modified version of it in the startup directory. I think this should be a rather good idea but PD does not handle the situation as I would like. If you try to override a patch that is includen in another patch in the library then PD will open the one from the library and not from the startup directory as I would like. How can you tell PD to first look in the startup directory? I have tried to solve the problem without success by using the -path in the starup command. How can this problem be solve? What do others think about the search order? Best regards, Peter Lunden

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Pd-list November 2001