Pd-list March 2003

pd-list@lists.iem.at

143 participants
300 discussions

Re: [PD] Get response : "Can't load gem library..." /newbie
by Pall Thayer 04 Mar '03

04 Mar '03

use forward slash for the lib. Also, you need a space after -lib: c:\pd\bin\pd.exe -lib gem/Gem Pall > > > Anyone w/XP OS able to "plug-in" Gem to PD? I ran > "GEM_INSTALL.bat" from the command prompt and doing that moved the contents > of Gem around so I'm assuming PD is ready to take Gem as plug-in; however... > when I type in C:/pd/bin/pd -lib/gen/Gen or C:\pd\bin\pd -lib/gem/Gem what > I get is a lexicon of various flags preceded by "usage: pd [flags] [file]" > ... Is the command prompt "telling me" to enter info. differently? Other > variations gave me command line response " cannot open gem library", but most > permutations simply gave me "cannot find specified path"... > > If the amount of "reward" in a given activity is in > inverse proportion to the amount/level of frustration which proceeds > it...then I'll keep pluggin' away. But if anyone holds the > KEY....(salivation)....................Thanks again............ > > -- Pall Thayer vefari / kennari / listamaður Fjölbrautaskólanum við Ármúla http://www.this.is/pallit

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bi-directional tcp socket object
by Edward George 04 Mar '03

04 Mar '03

Is there a bi-directional tcp object for pd(win), like netsend/netreceive but, yes; bi-directional. The program I'm connecting to assumes it can send data back to the opening client which I need to receive. Thanks Ed, Suppose, Nottingham UK. http://www.suppose.co.uk ed(a)suppose.co.uk

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Get response : "Can't load gem library..." /newbie
by MchZanes2＠aol.com 04 Mar '03

04 Mar '03

Anyone w/XP OS able to "plug-in" Gem to PD? I ran "GEM_INSTALL.bat" from the command prompt and doing that moved the contents of Gem around so I'm assuming PD is ready to take Gem as plug-in; however... when I type in C:/pd/bin/pd -lib/gen/Gen or C:\pd\bin\pd -lib/gem/Gem what I get is a lexicon of various flags preceded by "usage: pd [flags] [file]" ... Is the command prompt "telling me" to enter info. differently? Other variations gave me command line response " cannot open gem library", but most permutations simply gave me "cannot find specified path"... If the amount of "reward" in a given activity is in inverse proportion to the amount/level of frustration which proceeds it...then I'll keep pluggin' away. But if anyone holds the KEY....(salivation)....................Thanks again............

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re: [PD] bi-directional tcp socket object
by PT147＠mdx.ac.uk 04 Mar '03

04 Mar '03

Try the gripd object.

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understanding 09.pvoc.pd
by Ben Saylor 04 Mar '03

04 Mar '03

I'm doing a research project involving phase vocoders and looking at 09.pvoc.pd in the example patches as a reference implementation. I was wondering if anyone could help me to understand it. Specifically, how is the "instantaneous frequency", obtained by comparing phases in successive frames, used? What is the relationship between the two segments of the source array that are read at the same time and the phase-real, phase-imag arrays? I basically understand the procedure outlined in Computer Music Tutorial (Roads) on pages 1105-6: 1. read M samples of input signal 2. window 3. zero-pad the windowed frame (this seems to be absent from the patch) 4. FFT 5. convert from rectangular to polar, differentiate the phase to obtain instantaneous frequency 6. apply any modifications (time-stretch, pitch-shift, etc) 7. IFFT 8. window again if phase spectrum was altered 9. overlap-add the output frames but step 6 is sketchy, and I don't understand how the instantaneous frequency is actually *used* in resynthesis. Any help would be appreciated. Thanks, Ben

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makenote channel
by Jim Aikin 04 Mar '03

04 Mar '03

I'm attempting to make a midi note generator (sort of a sideways step sequencer that will eventually have some more interesting algorithmic properties). At the moment I'm somewhat mystified by the fact that I can't provide a channel argument to makenote. This fact may explain why Pd is not sending any notes to the computer's MIDI out. Or there may be some other problem.... I've specified -midiindev 1,2 -midioutdev 1,2 in the command line (this is in Windows 98SE). Although now that I think of it, MIDI out was working fine the other day even though I only specified a midiindev. Hmm. I'm sure I can use noteout objects instead and handle the note-offs by hand, but I was hoping to simplify my life. Does anyone have any hints about what makenote does (or doesn't do)? Thanks! --Jim Aikin

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looking for a non-linear stereo pan object
by Marco Scoffier 04 Mar '03

04 Mar '03

I have made a little patch to do panning, but it is a linear pan which leaves a great big hole between the two speakers. I remember a few years back at IRCAM a demo of using a table with a handdrawn sort of logarithmic? curve to get a nice pan (in Max), but I am feeling a little clueless and helpless right now, and any help is appreciated. Below is a list of the things I have tried so far. Searching the pure-data.org site comes up with nothing. I cannot find a LADSPA plugin either. I have tried the pan~ in johannes zmolnig's "HOWTO write an External" http://iem.kug.ac.at/pd/externals-HOWTO/node6.html but it mixes two input's to one output, and seems to be linear also. I want one in to two outs. vbap in the externals collection from sourceforge isn't compiling for me on debian unstable linux : I keep getting errors like this: 1: warnings being treated as errors vbap.c: In function `vbap': vbap.c:137: warning: `winner_set' might be used uninitialized in this function If I initialise these variables to zero, I keep getting more uninitailised variable errors, once I have initialised them all Error 2 in define_loudpeakers.c with no line number... nothing. I tried removing some of the warning flags in the makefile, but this is a bit above my head. the precompiled vbap.pd_linux is loaded by pd but there is no precompiled define_loudspeakers.pd_linux so I can not use the object. <rant> couldn't somebody put pan or spacialize or something with the vbap name somewhere. I mean there is not even a readme saying what vbap does</rant> I have also tried audience~ but I don't need a gui and the install script from the makefile doesn't put the images speaker.gif and wander.gif in a place where the audience~ object can find them. I have tried moving the images around from pd/externs/audience~/ to pd/externs to pd/bin but I always get couldn't open "speaker.gif": no such file or directory Thanks for any pointers, --Marco --

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Re: [PD] Network socket problem
by david moss 04 Mar '03

04 Mar '03

allo all who gave me some nice suggestions, its always great to get some feedback from people who are using this rather amazing bit of software :-) for anyone who is interested I spent 2 days playing around with this machine and couldnt solve it.... until by accident I went to the installed componants under windows start>settings>control panel> add/remove software. In this panel there is an option to check the installed windows componants/ extensions. Under communications all of the usual extensions were installed except direct connection via cable. I turned this on and rebooted (for probably the millionth time!!) and low and behold - pd and framestein work like a dream :-)))))))))) Yes I know its typical windows story but just thought I would post it here so that if anyone else runs into a similar problem they dont have to loose as much hair as I have in the last week!!!! Kind Regards Dave mK --- Juha_Vehviläinen <jusu(a)pinktwins.com> wrote: > Try windows2000? > > sorry, don't know what else is wrong.. > > j. > > > Hi all, > > I have been using pd successfully on 2 different > > windowz 98 se machines with no problems. However > today > > I tried to install it onto another win98 machine > and > > the black dos box flashes up for maybe half a > second > > before closing again. I also installed framestein > > which gave me a "could not create network socket" > > error. > > > > I checked various windows network stuff and made > sure > > tcp/ip is installed but no joy. Anyone help me > solve > > this one because I want to play with the nice 64mb > > graphics card and framestein ;-) > > > > Regards > > > > Dave mK > > > > __________________________________________________ > > Do you Yahoo!? > > Yahoo! Tax Center - forms, calculators, tips, more > > http://taxes.yahoo.com/ > > > > _______________________________________________ > > PD-list mailing list > > PD-list(a)iem.kug.ac.at > > > http://iem.kug.ac.at/cgi-bin/mailman/listinfo/pd-list > > > __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/

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GEM beginner questions
by jonathan brodsky 04 Mar '03

04 Mar '03

hey there list... I am getting started in programming in pd, and while I can understand most of the basic principals I am having some difficulty with making interesting patches with GEM. The largest problem that I am having right now is how to create motion blur. if anyone could point me in the direction of a patch that does motion blurs, or just a tutorial of basic effects that gem is capable of, that would be greatly appreciated. Thanks!

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Re:[PD] makenote channel
by eskogen＠usfamily.net 04 Mar '03

04 Mar '03

well, makenote doesn't actually send midi data out. it just formats a message. use noteout to actually send the data to the port. connect it to noteout and it should work (with the selectable channel outputs, as you desire). see the helpfile for noteout (pd/doc/5.reference/midi.pd) ------ http://USFamily.Net/info - Unlimited Internet - From $8.99/mo! ------

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Pd-list March 2003